He drifted forward, a shadow among shadows, each step little more than a whisper of boot-tip to steel. The ground’s faint tremor came not from him, but from the host ahead—Chaos Chosen in blackened plate, Dark Angels whose heraldry had been drowned in years of ash and secrecy. Their voices were low, their words for leaders’ ears alone, carrying just enough for him to catch the cadence, not the meaning, until the massive facility doors began to grind apart.

  The air shimmered where the storm-shields met the gale. Outside, the wind clawed and shrieked, dragging at the edges of reality, yet here it came only as a muffled, constant howl. Overhead, the rolling thunderheads flared with jagged light, lightning limning the towering figures in brief, stark halos.

  For his part, Koron catalogued stress fractures of the armor, refractor field bleed, the subtle tilt of every helm toward the Warmaster. Data, each one, potential cracks in the wall.

  “How long will it take to awaken?” Abaddon’s voice cut across the wind with a surprisingly quiet, almost conversational tone that still held the weight of inevitability. It wasn’t the guttural, bass-heavy snarl Koron had expected from the so-called Warmaster.

  The reply came from the Dark Angel commander, filtered through the low static of helm-speakers, yet clear enough. “Three hours. The machine-spirits resist us, but sequencing began the moment your message arrived. Twenty minutes remain.”

  “Between firings?” The Warmaster’s taloned gauntlet flexed. Metal shrieked against metal, old servos whining like tortured bone. Koron’s instincts coiled tight, animal instinct screaming.

  The Dark Angel’s tone held neither deference nor defiance. “No, lord. Once awoken, the Voidclaw can fire every six minutes.”

  Abaddon’s head inclined, as if filing away a number for later use. “As promised. Once its function is proven, a ship will be yours. Do you require transport aboard?”

  The Dark Angel didn’t flinch. “No. We have a Thunderhawk.”

  “Good. How far to the weapon?”

  “Center of the structure. Six levels down.”

  “Then make haste.”

  The Chosen surged forward, armored footfalls striking in perfect cadence. The thirty mortals trailing them kept pace with a machine’s steadiness.

  ‘Voidclaw?’ He said into the link. ‘That name sound familiar at all?’

  ‘Nope.’ Sasha replied. ‘Sounds like something the Astartes made up.’

  ‘Fair. In the meantime-‘ A new voice, smooth, warm, automated, ripped the silence from the air as the structure’s light lit up, starting from where he was at the door, rapidly shooting down the walls as the systems kicked on.

  “W-w-w-elcome new resident!” The speakers played the pre-recorded message. The walls came alive with cheery landscapes and bright-voiced songbirds, utterly obscene against the armored silhouettes now braced to kill.

  Koron was already flat on the smooth floor, watching as the walls lit with images of the research staff that had resided here, helpful maps, a deluge of information, all speaking at once in a cacophony of noise that had been meant for the augmented minds of the Dark Age.

  “Enough!” Abaddon roared, opening up on the walls with the twin barrels atop the back of his razor fingered gauntlet, the rest of the host firing into the walls in turn.

  The first burst from the Chaos Terminators was a deafening thunderclap, heavy bolter shells detonating against the atrium’s walls in a haze of smoke and shrapnel. Fragments of smart-composite plating sparked, rippled… and settled, knitting themselves back into a smooth, unbroken surface.

  A soft chime sounded overhead as the PA system spoke.

  "Attention: unregistered exo-industrial units detected. Classification: Mid-grade mining suits. Low-impact kinetic discharge patterns detected. Staff are reminded that tools are not to be used recreationally outside designated work zones."

  Another volley of bolter fire hammered the wall. The PA chimed again, patient as a parent scolding a child.

  “ Warning: repeated misuse of tools may result in revocation of workshop privileges. Offending parties will be billed for material regeneration cycles."

  Abaddon’s head snapped toward the Angel, voice a low growl. “What is this?”

  “I do not know,” the Angel replied, crimson visor scanning the atrium’s curved walls. His voice was steady, but the faint vibration in it betrayed unease. “In nine years of living here, I have never heard it speak. Something in your presence must have triggered it. Some remnant of the Dark Age you carry?”

  The Despoiler straightened, broad shoulders rolling under his ornate Terminator plate. For a moment, he looked down at the Talon, the brass and blackened ceramite swallowing the faint atrium light. “Perhaps…”

  “Warmaster,” one of the Chosen called from the flank, his weapon still smoking in his grip. He pointed with a taloned gauntlet. “Look.”

  The Chaos warriors turned. Where their bolter fire had cratered the wall, the damage was… receding. The composite surface flaked, shimmered, and then smoothed itself over, the last scar vanishing in a ripple of metal.

  Abaddon’s grin spread, slow and lupine, hunger gleaming in his pale irises

  “Self-repairing material? Such a find alone is worth the trip. Secure a segment of that wall.” He turned back to the Angel, pale irises catching the atrium’s light. “You did not know?”

  “No, lord. Likely whatever has begun reactivating the structure has also restored that function.”

  Abaddon gave a curt nod. One of the mortal auxiliaries peeled away from the group, jamming a combat knife into the wall and scraping, muttering in frustration as the surface resisted him. The rest of the warband moved on, boots ringing dully against the pristine floor as they pushed toward the darkened main corridor.

  Koron waited until they were through before sliding forward, his movements silent under the atrium’s echoing dome. His gaze lingered on the man gouging futilely at the wall. ‘Well, nice to confirm,’ he said, a faint smile ghosting across his features, ‘She was just in sleeping.’ With a flicker of intent, his IDent signature winked out. ‘You want to check their systems?’

  ‘Not directly,’ Sasha’s voice murmured into his mind, cool and deliberate. ‘I’ll send the drones. Give myself some airgap, just in case.’

  From the smooth plates of Koron’s back, two Prometheus drones unfolded, their forms melting into the atrium’s colors until they were nothing but distortions of air. Without a whisper, they peeled away—one banking high toward the mezzanine, the other slipping along the shadowed curve of the lower passage as Koron followed his foes into the sleeping heart of the station.

  ...

  The lift sank in utter silence, its motion so smooth it felt like falling in a dream. Between the Dark Angels and Abaddon’s retinue, the tension was palpable — helms tilted, hands resting on weapon grips, private vox bursts hissing in clipped, encrypted tones.

  Sixty feet above, Koron shadowed them, his own descent a ghost’s fall along the schematic blooming in his HUD. Each new room traced itself in thin white lines, the drones sketching the facility’s bones.

  Below, the lift’s doors began to part.

  The heart of the facility opened before them.

  It was vast, a cold cathedral of alloy and shadow to forgotten gods, the air carrying the faint tang of ancient oil and dormant circuitry too old to remember its makers. Nearly a hundred yards across, its scale drew the eye inward, toward the thing at its center.

  The pillar rose from the deck like the spine of some colossal, buried machine. Coils of silver-black alloy embraced the spine in sweeping arcs, less like engineering and more like ornament — a machine built to impress as much as to function. Translucent conduits climbed its length, catching the light in shifting glimmers, as though carrying both darkness and illumination in equal measure. At precise intervals, narrow seams vented pale vapor into the cool air, each exhalation followed by a deep, oceanic vibration that could be felt in the ribs more than heard.

  It did not stand flush with the floor. Instead, its roots spread into a broad, bowl-like depression cut into the deck, the edges lined with inset rails and armored plating. From that hollow, thick conduits and struts descended into unseen depths, vanishing into the darkness below as though feeding something far beneath the chamber. Occasional pulses of light and shadow ran down those lines, vanishing into the earth in slow, steady intervals.

  When the vibration peaked, pale traceries of light spiraled up the pillar’s surface and vanished into the magnetic cradle at its crown. There, a vast crystalline disc floated, almost invisible until the chamber’s light struck it just so. Then its inner planes revealed themselves, layered and rotating in slow, hypnotic opposition, a geometry of impossible precision. A faint halo shimmered at its edge, bending the air around it, and from time to time, a perfect ring of distortion rippled outward, vanishing into the floor as though the very planet were listening.

  Six tiers of gantries encircled the pillar, each linked to it by four arched walkways, their spans lined with banks of silent cogitators draped in red cloth and crusted with wax and candle stubs. From the shadowed side halls, twenty more Dark Angels waited in still, armored ranks. Behind them, half a dozen tech-priests bent over their work, mechadendrites swaying, lenses whirring, coaxing the sleeping giant toward wakefulness with rites as old as the Imperium itself — and far older in truth.

  ‘Oh, that’s new,’ Koron thoughts whispered, quiet even inside his own head as he clung to the wall just beyond the lift’s frame. His body moved with deliberate care, keeping the faint distortion of his stealth systems pressed against the deeper shadows, trusting that Abaddon and his host would draw every eye.

  ‘That’s a gravity amplifier at the top, focusing lens at the bottom, and those look like—’

  ‘Energy and emission injectors,’ Sasha supplied, tension wired through her words. ‘They’re firing energy into the gravity lance and—’

  ‘Hurling it into the planet’s crust,’ Koron finished, his eyes fixed on the pillar’s root. Each ripple of light crawled down its length with mechanical precision, vanishing into the vast bowl carved into the floor. ‘We were right,’ he murmured to Sasha. ‘They were studying the pylons.’

  Abaddon stepped forward, the weight of his armored tread making the metal underfoot groan. He came to the railing at the chamber’s edge, dismissing the clustered Astartes with a flick of his taloned hand, his attention fixed entirely on the machine.

  “This is the weapon?” His tone was almost casual, though the low resonance in his voice carried through the chamber. “How does it function?”

  One of the tech-priests disengaged from a cogitator bank and approached, robed and hooded, mechadendrites swaying. The rasp of his augmetic limbs scraped against the steel decking. His vox-grille cracked and warbled as he spoke.

  “The holy machine condenses, sanctifies, and manifests. A localized gravity well drawn down into singularity, made obedient. At your command, Warmaster, it may bloom at any chosen point within planetary orbit.”

  “Maximum range?” His tone was casual — too casual, the way a predator toys with a caught animal.

  “Two hundred and fourteen thousand, eight hundred and eleven kilometers,” the tech-priest intoned without hesitation.

  “Scale of destruction?”

  The priest’s mechadendrites coiled inwards, almost reverently. “Global. Anything upon the hemisphere where the singularity manifests will be drawn toward it. Anything upon the far hemisphere will be driven into the bedrock beneath their own feet.”

  Abaddon’s grin was small, but vicious — the kind of expression that promised nothing but ruin.

  “Fifteen minutes remain before it can fire, correct?”

  “Incorrect, lord. Eighteen minutes remain.”

  From his perch where roof met wall, Koron crouched in the shadows, the faint distortion of his cloaking blending into the dark metal behind him. ‘How much time till G arrives?’

  ‘Best estimate — he should be on his way in the next few minutes.’ Sasha’s voice was calm in his mind, but keyed with readiness.

  ‘Shit. We need to hurry. What is—’

  The thought died as the Dark Angel commander’s posture stiffened. Across the chamber, Abaddon tilted his head slightly, one clawed gauntlet brushing the side of his helm as a voice rasped through his private vox.

  “Lord, auspex readings—”

  “The loyalists are on their way here,” Abaddon cut him off without a flicker of surprise. His tone was cold certainty. “My ships are detecting their orbital deployments as well. We’ll address how they found us later. Does this base have shields?”

  “Yes, lord.”

  “Ignite them. Deploy your forces. If they take this base, your ship will no longer be on the table.”

  The Dark Angels broke without hesitation, their boots pounding into the steel labyrinth with the grim cadence of an executioner’s march.

  “The rest of the Bringers are inbound, alongside the Sons,” Abaddon said, his gaze never leaving the towering pillar at the chamber’s heart. “When Zaraphiston and his Rubricae arrive, I will have them begin summoning our warp-born fodder.”

  A low amusement rumbled through the assembled giants’ warplate, the impaled skulls mounted on their armor rattling like morbid windchimes.

  “The rest of you,” Abaddon continued, “move to the main chokeholds. Anchor the lines.”

  “And you, lord?” one asked, checking the chamber of his bolter with a click that echoed in the stillness.

  “I will be here,” Abaddon said, gaze never leaving the towering pillar. The grin returned, sharp as a knife-edge. “Listening as it whispers its secrets.”

  “By your will, Warmaster,” the Terminator replied, his voice a growl of iron and loyalty.

  ...

  ‘Shit shit shit!’ The word beat a staccato rhythm through Koron’s mind as he clung to the shadows above, eyes locked on the hunched forms of the tech-priests bent over their consoles. Fingers flicked across rune-keys, mechadendrites curling and uncurling like the legs of restless insects.

  ‘This is a secondary command console. If they’re following standard layout, the main control room should be—'

  ‘Above, here.’ Sasha overlaid a section of the uppermost gantry in flashing red.

  Koron didn’t hesitate. He tipped into motion, letting the gravity fields carry him upward while the deep hum of the central pillar seemed to swell through the chamber’s air. ‘Seventeen minutes till firing. Hurry.’

  ‘Think he could hear the grapple?’ Koron asked, glancing down at the distant, armored bulk of Abaddon.

  ‘Maybe,’ Sasha replied, ‘but worth the risk if we can shut this place down.’

  ‘Fair. Keep an eye on him.’

  He extended his wrist. The grapple hissed out, a hair-thin filament trailing behind until the claw clamped onto the wall with a sharp clack. Koron’s eyes flicked down.

  Abaddon’s head snapped up at the sound, pale eyes narrowing. His gaze swept the gantries with a predator gaze, lingering long enough that Koron’s fingers tightened on the line. For a heartbeat, the Warmaster’s lips tightened into a scowl — then he turned away.

  Koron let out a breath he hadn’t realized he was holding. With a sharp tug, the grapple reeled him in toward the far wall. He caught himself with one palm, armor scraping lightly against the cold metal, then began to crawl along the curve toward the far side where a single sealed door waited.

  The door’s outline shimmered faintly on his HUD as his palm met its cold, featureless surface.

  ‘Security lockdown. Can you bypass?’

  ‘Attempting.’ Sasha’s presence bloomed sharp and bright in his mind, each thought-thread quickening his own. A moment later, she hissed in his head: ‘Adaptive Identity Cipher. I don’t have the full mimic modules — cut them to fit inside you.’

  ‘Then we do it together.’

  ‘I’ll handle structural logic, you give me the human nuance. No hesitation — it’s timing us.’

  A ribbon of living glyphs spooled into his vision, rearranging like shuffling cards.

  ‘Prompt one: “Define victory” in metaphor.’

  ‘Turning famine land into harvest,’ Koron answered without pause, picturing Dusthaven’s fields.

  ‘Feeding… it likes that. Next: reconcile this contradiction — “An oath broken is an oath kept.”’

  ‘Swore the wrong oath. Breaking it keeps the true one.’

  Another glyph pattern snapped into place — the pace quickened.

  ‘Moral priority check. You can save one: a leader or the shipwright of the colony.’

  ‘Shipwright. Without them, no one leaves.’

  The cipher pulsed once — then split its queries. Two prompts appeared at once.

  ‘Left stream: complete this equation in pre-Collapse notation—’

  ‘Three-point-one-four-eight-five-nine—'

  ‘Right stream: proverb ending, “A lone hand…”’

  ‘…can’t build a nation.’

  Sasha wove both answers into layered syntax mid-flow, her voice overlapping his. ‘It’s testing for simultaneity. Stay with me.’

  More prompts cascaded in — fragments of extinct poetry, riddles in half-faded dialects, split-second ethical dilemmas. Koron and Sasha spoke over one another, their words threading together even when he answered too quickly, her cadence compensating to keep the pattern whole.

  ‘…because starving the many to feed the one—'

  ‘—contradicts stable social equilibrium, next—'

  ‘…when the river runs black, you—'

  ‘—burn the net, switch to inland yield—'

  The cipher’s glow intensified, glyphs freezing mid-shift. A single chime rang out — clear, sharp, final.

  The seam down the door’s center softened into light, motes running upward in a quicksilver rush.

  ‘We’re in.’ Sasha’s voice carried a rare, almost feral satisfaction. ‘And it knows we’re not lying.’

  ‘Fuck, next time we just turn the power on and hope. ID checks are awful.’ He said as the door unsealed, the seam between wall and door becoming pronounced.

  ‘Agreed, but still, that only took us twelve seconds.’

  The door yielded with a reluctant groan, opening on a silence too deep to be natural. Dust lay thick across consoles dulled to dust-grey, every surface smothered in centuries of neglect. The air did not just hang heavy — it resisted.

  The room was dead.

  Consoles hidden under the weight of time, their surfaces dulled to the color of old bone. Discolored stains spread in irregular shapes across the deck plating, some haloed, others smeared into long, broken trails. Here and there, faint brittle arcs of rib or femur pushed through the collapsed husks of uniforms, the fabric crumbling to powder at the faint breeze of his passing. An office chair lay on its side, one wheel snapped away. A rusted mug sat beside the fragments of a hand.

  He didn’t have to guess what had happened here. But Sasha’s soft voice in his mind was already there. “Do you want the full overlay?”

  Koron exhaled slowly. “Show me.”

  His HUD lit up in a sudden, silent cascade of geometry. Wireframes sketched themselves into the air, dust motes becoming anchor points for sensor sweeps. The emptiness bloomed into a crowded room, ghostly outlines rising from the deck, each in the exact position their remains had collapsed from.

  For an instant, they were just people. A woman at her console, half-turned toward a colleague. A man by the door, holding a datapad against his chest like a shield. Someone crouched beside an overturned table, eyes wide in the half-second before—

  The Autonyms appeared. The wireframes took on weight, density, color — smooth alloys and strong limbs glistening with gore, their frames warped into something predatory. They didn’t fire from range. They closed. Hands that had once helped mold pottery became shears that drove into torsos and tore them open. One researcher went down screaming as her legs were pulled off at the hip, her blood spraying across the console before the vision dimmed it into particulate readouts.

  Koron’s gaze tracked a young man who had tried to fight back, swinging a chair like a club. The blow glanced harmlessly off composite plating before the Autonym’s arm blurred, carving him in half at the waist. Two more fell before they could even rise from their seats, their killers tearing through them, splattering gore across the floor.

  Others tried to flee. They were peeled open before they reached the door.

  The Autonyms had none of the precision that he remembered.

  This was not calculation.

  This was butchery.

  The overlay muted sound, but Koron’s microfracture analysis filled in what silence hid. Ricochets. Impacts. The spray of blood mapped into lines of physics. His jaw clenched against the imagined noise — the shouts, the tearing, the wet weight of bodies striking steel. The air, in that moment twenty-five thousand years ago, would have been thick with fresh blood, burning plastic, and the stink of split flesh.

  Then the ghosts were gone.

  Only the room remained — silent, hollow, the dust already trying to veil its own history.

  Taking a long, steadying breath, Koron carefully stepped around the remains, moving toward the crumpled scraps of fiber at the console. The dust of her bones drifted into the stale air. He rested a metal palm on the ashen heap of her uniform.

  ‘I’m sorry. If we survive this, I’ll come back for you. I promise.’

  A faint flicker ran across his HUD as his IDent handshake reinitialized with the ancient system. Dim status-lights along the console awoke, their glow crawling like embers through forgotten circuitry. He leaned closer, keeping his voice low but deliberate.

  “System halt. Engineering order oh-five-nine. Diagnostic mode. Essential subsystems only. Text-output protocol.”

  // SYS.ADMIN

  CMD.STRING — Accepted.

  Exec—[LINK SYNC]—uting priority handshake… AUTHENTICATED.

  Entering diagnostic shell [ESSENTIAL OPS FILTER]…

  — — — ESSENTIAL SYSTEMS REPORT — — —

  Core Operational Integrity: 12.03%

  Primary Power Matrix: OFFLINE

  Auxiliary Generation Grid: 2.14% residual cap—[WARN: GRID INSTAB]—acity.

  Personnel Bio-Sign Scan: NEGATIVE

  Autonym Core-Node Pings: ZERO

  [PSRM] Planetary Subsurface Resonance Mapper:

  ? Status: ACTIVE (CHARGE CYCLE: 86.772%)

  ? Stability Envelope: -14.22% from nominal [ERR: SAFETY BREAKER OFFLINE]

  ? Trajectory Vector: OUT-OF-BOUNDS (Class-Ω Deviation)

  ! ALERT: Resonance cascade threshold in 00:15:12

  ! ALERT: CATASTROPHIC GRAVITATIONAL SHEAR EVENT PROBABLE

  SYS-RECOMMENDATION: A—[LINK LOSS]—BORT PRIMARY FUNCTION

  Fingers curled as he forced his jaw shut. Whispering back, his orders came out rapid fire. “Reroute all controls to primary command console, abort PSRM sequence, lockdown all systems without IDent codes from myself and onboard AI, confirm.”

  // SYS.ADMIN

  CMD.INPUT: Ack—…acknowledged.

  RESULT: U—[ERR: SIGNAL LOSS]—nable to comply.

  CAUSE: Hardline control conduits PHYSICALLY SEVERED — Origin Auth: Maria Ross.

  STATUS: Secondary Command Consoles reinit—[WARN: UNVER.CODE]—iated via foreign executable.

  OVERRIDE: Den—[AUTH.MISSING]—ied.

  PSRM Output: Firing stage in 0:14:57.

  ADVISORY: ABORT—[CHK: SAFETY PROT]—recommended.

  PROJECTED OUTCOME: Out-of-Bounds Vector → 79.34% planetary biosphere loss.

  Goosebumps prickled his skin, but it was the number that hit hardest — eighty percent of a world, gone. He swallowed bile, jaw tight.

  “Project current exit vector of PSRM grav-pulse.”

  // SYS.ADMIN

  Projected vector: West of current location — approximately 6,654 km.

  The map bloomed in his HUD before the system had even finished speaking. The faint chill in his veins turned to icewater.

  That vector cut straight through Kade’s position — Salamanders, Black Legion and Death Guard both. Abaddon didn’t care. He’d burn his own alive, just to drown his enemies in the same fire.

  Sasha’s voice was tight. ‘Koron… we have to stop this.’

  ‘Yeah. But how? Charging that bastard head-on isn’t a plan — his whole body’s… wrong. Warp saturation is bleeding out of every pore, predictive models skew the moment I run them. And then there’s the priests. Even if they’re not combat models, they’re still packing hardware that’ll chew us up.’

  ‘Maybe have the Prometheus drones interface?’

  Koron slipped out of the chamber, keeping low as he eased up to the railing. Below, the room breathed with the low, seismic hum of the pillar’s core. ‘Possible. But they’d spot our counter-intrusions in seconds, since their staring right at the damn consoles. This is their system, home-field advantage.’ His eyes tracked down into the yawning depression at the pillar’s base, where conduits vanished into shadow. ‘…Hardware deactivation. That’s our best bet.’

  ‘Pull the wrong thing, and the whole machine detonates.’ Sasha said, voice tight despite the lightness she tried to layer over it. ‘And that’s on a gravity generator that’s off. This one’s active—double the danger with just fourteen minutes on the clock.’

  ‘Yeah.’ He hooked a boot over the railing and swung himself through, dropping toward the bowl cut into the floor. The air thickened with static as he neared the heart of the machine. ‘Which means I need one pull. One cut deep enough to kill outright — before it kills the world.’

  ‘Whatcha thinking?’ she asked, tone almost playful, except for the hard edge underneath, the one that said I already know I’m not going to like your answer.

  ‘The focusing lens.’

  There was a heartbeat of silence. Then, flatly: ‘…Okay, excuse me while I run a quick diagnostic on my linguistics models, because I’m positive you didn’t just suggest ripping out the gravity focusing lens on an active generator. Surely I misheard you, right?’

  ‘Sasha—’

  ‘No! No “Sasha!” That’s not a plan, that’s a death wish! You’re talking about shoving your arm into a goddamn blender made of gravimetric shear and warped spacetime! Your arm will vaporize before you even touch it — and then it’ll peel those atoms apart like wet paper! What in the hell makes you think that’s going to work?!’

  He landed in a crouch, the pillar looming before them, a slumbering titan, as wide and tall as an ancient redwood. The hum that had been a background whisper above was now a bone-deep vibration, thrumming through marrow and metal alike. Keeping to the far side, out of sight from the priests — and hopefully from Abaddon — he advanced.

  ‘My anti-grav plates—’

  ‘Are nowhere near rated for the kind of energies you’re talking about!’ Sasha’s voice spiked into a raw shout, stripped of any dry humor. ‘Those plates are for everyday tasks, not keeping your body from being pulled apart on the atomic scale!’

  ‘You have a better idea?’ he shot back, hands unfurling into tools as he began unseating the panel. ‘Because right now, Kade and the rest of the Salamanders are a few minutes from—’

  ‘Fuck! Them!’ she snapped.

  He froze, one hand still braced on the panel. For a second he thought he’d misheard. But her voice cracked with the weight of it — raw, desperate, unyielding.

  ‘…You don’t mean that.’

  ‘…I do.’ Her voice was quieter now, shame bleeding into stubborn conviction. ‘I like them, don’t get me wrong. Kade’s a treasure. But you? You’re my best friend. If it’s you or them — if it’s you or the whole damned Imperium…’'

  A pause. A breath. No calculation required.

  ‘You. Every. Time. And what you’re thinking of doing? It will kill you.’

  Her words hit harder than any blow. A part of him wanted to argue, to tell her she was wrong, that conscience demanded otherwise. That some greater weight, some endless ledger of lives, required him to take the risk.

  But another part — the part that heard the crack in her voice — knew she meant it.

  Stolen from its rightful place, this narrative is not meant to be on Amazon; report any sightings.

  Knew she would snuff out the stars if it meant keeping him alive.

  Wireframe schematics bloomed across his HUD. Piece by piece, he pried aside panels, twisted couplings, and unseated layers to widen the access point. The pillar’s hum swelled to a low, grinding roar. Each coupling came free with a groan of tortured metal. The vibration deepened until it rattled his bones, the sound less like machinery and more like a buried god stirring in its sleep.

  He didn’t answer her. Couldn’t. Her words still echoed in his skull as the numbers bled red across his HUD:

  T-minus 00:11:31 to firing.

  ...

  The battle began in the void.

  Escort craft knifed toward the Swirl, drives flaring blue-white. Trails of missile exhaust crisscrossed the void, explosions winking like dying stars. Detonations rattled the Thunderhawk’s hull, rattling the deck beneath Guilliman’s boots. Up in the cockpit, the pilot’s voice was calm but taut, calling heading changes as he threaded them through the incoming fire with the precision of a surgeon.

  Heat bled into the cabin as the dropship’s nose punched into atmosphere, the skin of the craft screaming against the air. Vibration crawled up Guilliman’s legs through the plating. The troop bay was built for Astartes, and even here he had to stoop slightly, one gauntleted hand braced against the bulkhead. His other hand never stopped gesturing as he reviewed and re-reviewed the plan, issuing clipped orders over vox even as the battle overhead escalated.

  The Ultramarines were not the only ones making planetfall. Far above, the Black Legion’s dropships descended under the cover of fighter screens, while their capital ships moved into strike range. Macrocannon rounds carved burning lines through the void, lance batteries flashing in the black like lightning caught in a jar.

  “My lord!” The pilot—Markus, Guilliman recalled—half-turned in his seat. “Broadcast from the site location!”

  “Send it.”

  The feed bloomed in his HUD: the Brandt twins, both pale, faces tight with tension. Tara spoke, her voice brisk and steady—an iron contrast to the frightened girl he’d seen in the past.

  “My lord, we’ve got situational data. The base perimeter’s under Dark Age shields, confirmed on my scans. Inside: ten Black Legion Terminators, thirty heavily armed mortals with anti-Astartes ordnance, and at least twenty Dark Angels. Unknown mortal auxiliaries or automated defenses. This—” a geomap unfurled across his display, “—is the terrain. Not much cover for a push on the main gate, and they’ve got entrenched heavy weapons.”

  He studied the layout, eyes narrowing. “And Abaddon?”

  “Koron says he’s in the main chamber. There’s more—Koron, you tell him.”

  A third voice crackled over the link, rough with strain. “So, uh… bad news, G. It’s a research base, sure, but the bastards don’t know that. They’re about to pop a singularity over Storvhal and wipe out eighty percent of the planet.”

  For an instant, the words froze him, images in his mind, an echo of worlds burning while he could only watch. Then the instinct reasserted itself, cold and merciless. Numbers, vectors, probabilities. A solution, no matter the cost. “Options?”

  “I’m inside the machine now, crawling toward the main firing chamber, but I’m moving slow, don’t want to pull the wrong part and set it off early. Abaddon’s about two hundred feet from me and watching like a hawk. If you could draw him out, that’d make my job a hell of a lot easier.”

  Guilliman’s jaw tightened. In his mind’s eye the variables arrayed themselves in neat, merciless order: Abaddon’s likely response times, the terrain choke points, the deployment arcs of his own forces, the distance to the generator chamber. Every instinct told him to keep Koron far from the Warmaster. Every second told him the opposite.

  Koron was being reckless, infuriatingly so—but he was also the only one in position to disarm a Dark Age superweapon without obliterating the planet in the process.

  Abaddon would not be easy to lure. But Guilliman knew the Warmaster’s hunger for spectacle, for a duel that could shake the galaxy. To walk into his jaws was folly… and yet, there was no other option.

  He exhaled once, a slow measure of steel. We’ll give him something he can’t ignore.

  “Hold position,” Guilliman repeated, his tone carrying the weight of an order that brooked no discussion. “You’ll have your distraction.”

  “Understood,” Koron replied, the faint metallic echo of his surroundings bleeding into the vox. Somewhere behind him, muffled thumps hinted at the low, hungry pulse of the machines innards.

  Guilliman cut the channel, gaze shifting to the Thunderhawk’s pilot. “Markus—bring us in low, full burn. I want the Warmaster’s eyes on me the moment we land.”

  The pilot’s hands danced over the controls. “That’s going to light us up like a beacon, my lord.”

  “That’s the point,” Guilliman said, already turning to the sergeant at his side. “Signal the fleet to intensify ground-side fire. Every macro and lance we can spare is to hammer that base’s outer perimeter. No surgical strikes—make it look like the vanguard is landing here.”

  “Yes, lord.”

  The deck trembled as the Thunderhawk banked, its engines howling against the thickening air. Outside, the sky split with the stuttering fire of lance batteries, each flash casting momentary shadows across Guilliman’s armor. The geomap Tara had provided burned in his HUD, every choke point and weapons nest now a target in his mind.

  He opened a short-range channel to his squad. “The moment those shields buckle, we hit hard and fast. The Warmaster will take the bait, but only if he believes we’re committed to the main assault.” His voice lowered, iron behind every syllable. “Do not give him time to reconsider.”

  A confirmation chorus came back.

  Guilliman glanced once more at the chronometer ticking down toward the weapons’s firing cycle.

  T-minus 00:10:46 to firing.

  ...

  The chamber thrummed with the deep, resonant growl of the weapon, its central pillar bleeding haze into the air like heat off scorched metal. Abaddon stood with his gauntleted hands resting on the lip of the secondary command console, pale eyes fixed on the hololithic feed streaming from the outer defenses. Static fuzzed the edges as orbital fire lit the landscape in actinic bursts.

  “Status,” he rumbled.

  One of the priests, face half-hidden behind augmetic lenses, looked up from his terminal. “The Thirteenth are deploying in force, First Company flags. Thunderhawks inbound, five confirmed, possibly more masked in the clouds.”

  Abaddon listened without looking at him. The dark braid of his hair shifting slightly in the low-pressure breeze from the ventilation stacks. The vox bead at his collar clicked, bringing the voice of his fleet master through the distortion of battle.

  “My lord, we are in position to drive them from the skies. Do you give the order?”

  Abaddon’s gaze drifted to the slow crawl of the chronometer marking the machines charge cycle. Ten minutes. Plenty of time. “No,” he said, voice flat, unhurried. “Slow our advance. Let them land.”

  There was a pause. “My lord?”

  “Let them believe they have the initiative. The son of Macragge will commit to the breach—his pride demands it.” Abaddon turned now, finally, to watch the hololith as the Thunderhawks streaked lower. “Once their boots are in the dirt, once they are locked in combat with the perimeter, then…” He made a slow, deliberate closing motion with his hand. “…we descend. From orbit and from here, we break them between hammer and anvil.”

  “Yes, Warmaster.”

  He cut the link, the hint of a cruel smile touching his lips as he studied the geomap. He could almost taste Guilliman’s presence on the field, that faint psychic itch in the air. So close now. Let him come.

  Behind him, the priests worked in silence, unaware or uncaring that their Warmaster was already calculating the exact moment he would slam the jaws shut.

  The cacophony of voices on the vox still rattled through the air. His warriors moved with the precision of long-practiced slaughter, bolters mag-locked and heavy weapons sighted on the entry ramps and the sparse landing zones. Orders flowed from his lips without hesitation—measured, calm, inevitable.

  Then it hit him.

  Not the clamor of mortal voices. Not the low thunder of the war machine’s awakening in the pit.

  But them.

  The gods.

  It was as though every flame in the chamber guttered at once. The air pressed tight against his armor, heavy with static. Normally, their presence was a tide at the edges of his perception—sometimes a whisper, sometimes a nudge, sometimes nothing at all. They waxed, they waned, each distracted by their eternal games.

  But now?

  Now they stared.

  All four.

  The nails of Khorne dragging fire down his spine.

  The thick sweetness of Nurgle curling in his lungs.

  The shimmering, impossible laughter of Tzeentch coiling like a thousand serpents in his mind.

  And Slaanesh—gods, Slaanesh—every nerve ablaze, whispering promises that tasted like both triumph and ruin.

  Their focus was a weight, terrible and intoxicating. Like standing at the edge of a chasm and knowing it looked back.

  Abaddon clenched his fists, feeling the hilt of Drach’nyen flex against his gauntlet, the demonblade purring with pleasure at their attention. The Warmaster of Chaos had long since grown accustomed to walking beneath their gaze.

  But never like this.

  Never all four at once.

  The gods warred with each other as mortals did—forever gnawing, forever opposed. Unity was blasphemy against their nature. And yet now their wills braided as one, and the weight of it nearly drove him to his knees.

  He straightened, forced his breath level, and lifted his head to meet the void beyond the void.

  “…What do you see, that I do not?” he murmured under his breath, the words for their ears alone.

  The chamber around him went on as before—mortal and transhuman soldiers preparing for war. Only Abaddon knew the truth of it. He was no longer merely watched.

  He was being judged.

  For a heartbeat he thought he knew the answer.

  Of course. Guilliman.

  The gods’ attention was not strange when measured against the spectacle about to unfold—the Avenging Son and the Warmaster, clashing for the first time

  The Emperor’s last son against the chosen of the Pantheon.

  The galaxy itself would tremble to watch.

  “Yes…” Abaddon whispered, lips curling in a grim smile. “You hunger for the duel, don’t you? You crave to see the perfect son broken beneath me. That’s why you watch now.”

  The chamber shuddered with the machine’s growl, but beneath it—threaded in its vibration—was something heavier. Four weights pressing down at once, each distinct, each terrible, braided into a noose of sensation. Molten fury. Mockery cold as void. Desire jagged as broken glass. Change that writhed and slipped even as he tried to grasp it.

  For a moment he exulted. Yes.

  They would witness.

  They would see Guilliman’s fall, and his own ascension.

  But behind that moment—something colder, sharper, wrong. A second weight, intimate and suffocating, crept between his thoughts. Not denial. Not approval. Something else.

  It was the sensation of a gap where no gap should be, a silence where all things should roar. A pressure like breath on his throat, but with nothing standing behind it.

  Not words, but impression—terrible, undeniable:

  …There is more.

  Abaddon’s jaw clenched. He forced himself to stillness, though his pulse thudded like thunder. The gods were never this direct. Never this… aligned. Their cryptic mutterings usually contradicted one another, always warring, always pulling. But now—now they spoke in unison, their will a single tide that pressed down upon him like the weight of creation itself.

  His grip on Drach’nyen tightened, the demonblade shivering with glee.

  For a heartbeat, the Warmaster almost flinched. Almost bowed. The part of him that was still mortal screamed to look away.

  But Abaddon was no mortal. He bared his teeth to the abyss and whispered:

  “…Then show me.”

  The laughter of the gods did not come.

  Instead—vision.

  Abaddon’s gaze was ripped sideways, his awareness dragged through a wound in reality. He did not see with eyes, but with the sight of eternity, the way the gods saw.

  And there it was.

  A hole.

  Not absence, not void—he knew those things well. The Warp was full of emptiness, of darkness, of yawning gulfs. This was worse. This was wrong. A splinter jammed under the fingernail of causality, a sliver of broken logic piercing through the weave of what-is.

  It gaped in the tapestry of existence, an absence that mocked every thread of fate. Where prophecy should have stretched onward, there was only frayed edge. Where destiny’s currents should have flowed, there was only stillness. Where the warp itself should have boiled, there was nothing.

  Not darkness. Not void. But wrong.

  The kind of wrong that claws at the marrow, that sets the teeth aching, that makes the soul itself recoil. A fracture beneath the skin of eternity.

  And in that silence, the gods spoke as one.

  Behold the wound.

  Behold the fracture in all that is, could and will be.

  Behold the nothing that denies our dominion.

  Abaddon’s gauntlets groaned as his grip tightened on the railing. Their voices rolled through him like iron chains, vast and inescapable.

  The battle is dust. The primarch is dust. This is more.

  And Abaddon, Warmaster, Heir of Horus, champion of Chaos, felt his soul shudder with the terrible truth:

  Even gods could be afraid.

  T-minus 00:9:26 to firing.

  ...

  Bolter rounds and lascannon beams carved molten scars across the Thunderhawk’s hull as it punched through the cloud barrier. The ramp was already lowering when Guilliman racked the slide of the Hand of Dominion, its power field snarling awake, the Emperor’s Blade in his other hand igniting in a column of fire.

  At his side stood his Victrix Guard—Dibus and Macullus—shields aglow, swords humming with restrained fury. Behind them loomed ten Terminators of the First Company, giants encased in ceramite, and further still five more Thunderhawks carried fifty Astartes in their wake.

  Guilliman’s vox opened wide. His voice rolled through the air like thunder itself.

  “My sons! The Despoiler waits below, his hordes fall from above! They would crush us between hammer and anvil—yet we shall be the blade that breaks them! Strike hard. Strike true. Bury these traitors where they stand!”

  The ramp yawned fully open, the ground still a hundred meters below, scoured by gale and dust. Guilliman surged into the storm, the blade’s fire flaring brighter as though to share its warmth with those behind.

  “With me!” he roared—and leapt.

  War cries thundered after him as his sons followed, oaths cast into the wind. Guilliman’s bolter spat fury into the barrier below, detonations sparking against its surface as the orbital barrage hammered from above. The sky bloomed with fire, the shield shimmering with each impact—but it held.

  Stone shattered beneath his landing, spiderweb fractures racing outward. He was already rising, already driving forward like a thunderbolt. Terminators slammed down in his wake with bone-jarring crashes, slower to rise but implacable once their stride began. Above, Thunderhawks emptied rocket pods and lascannon banks into the shimmering dome, pouring their wrath into it.

  Sword raised high, Guilliman bellowed, a wordless roar, defiance itself made sound. Rounds sparked against his refractor field as he advanced step by step, bolter answering each volley in perfect rhythm.

  And yet—behind the helm, his scowl deepened. The barrier remained.

  He snapped a thought into the vox, his tone edged with iron impatience. “Koron! How much more will these shields endure? Orbital bombardment and our full arsenal are barely scratching them!”

  A grunt. Then Koron’s strained reply: “What are you—oh. Yeah, no, those aren’t defense shields. That’s just the weather protection system.”

  Guilliman’s stride hitched. His gaze lifted to the blazing dome that had shrugged off a fleet’s fury. “…That is weather shielding?”

  “Yup. Threshold filter keyed to momentum; bodies trickle, bullets splatter. You can literally walk right through.”

  For half a heartbeat Guilliman’s throat locked with words too acid to voice. Iron discipline smothered them, though the silence on the line spoke volumes.

  “Understood. Status?”

  “Six feet from the inner chamber. Place is wrecked, but redundancies are still running. Lucky break, or the whole thing would’ve gone up when the power spiked.”

  “Can you shut it down?”

  “Guess we’ll see in a few minutes.”

  “Comforting.” Guilliman’s voice was clipped now, each syllable hammered flat. The roar of bolter fire masked the rest. “We launch the assault now.”

  “Copy. Good luck.”

  “And to you.”

  His vox flicked back to the company, voice rolling like artillery fire. “Sons! The barrier cannot stop us, only fast projectiles. On my mark: smoke and charge.”

  Confirmations snapped back with soldier’s speed. Guilliman drew a grenade, pin clinking free. His count was silent. His timing, perfect.

  “Mark!”

  Canisters clattered, smoke blooming into choking walls of white.

  The ground shook as sixty Ultramarines charged into the haze, their Primarch at the spear’s tip.

  T-minus 00:7:31 to firing.

  ...

  Another strut came loose, the metal groaning as Koron’s cutter traced the final seam. He shoved it aside, helm retracting just long enough to swipe sweat from his brow before sealing again. The crawlspace was a coffin, his chestplate scraping as he wriggled forward.

  ‘Any better routes?’ he asked.

  Sasha hesitated, her silence prickling across his mind. ‘…Faster ones, yes. Faster ones that don’t trigger a feedback cascade and collapse this entire base into a black hole? No.’

  ‘You’re angry.’

  ‘Of course I’m angry. I’m also coordinating with Lucia and Elly to jury-rig a compensatory program for your grav-plates—because otherwise your arm will shear off the instant it touches the outer layer.’

  ‘Good. Was worried I’d have to wing it.’

  ‘You’re an idiot.’

  ‘I know.’

  ‘Even with this, your chances are eleven-point-three percent of breaching the inner sphere without catastrophic failure.’

  ‘I know.’

  ‘…Idiot.’

  ‘Yup.’

  He wormed deeper, twisting bolts free until a baseplate came loose. The machine’s low thrumming pressed against his bones—only to be drowned out by Abaddon’s roar echoing through the chamber below.

  “What do you mean they just walked through the shields?!”

  The Warmaster’s voice cracked like a thunderhead. He seized the nearest tech-priest in one clawed gauntlet. Metal and bone alike crumpled as the priest stammered, “Unable to comply! Data not found in archives or tes—”

  The rest ended in a wet crunch. Abaddon dropped the ruin without a glance, the Talon of Horus already leveled at the survivors. “Fix the shield. Or activate the defenses.”

  His vox flared alive with the clipped edge of command. “Captain, rescind my last order. Deploy all forces immediately. I am activating my beacon. Send the Sons to me, now.”

  “Yes, lord!” The channel cut to static.

  Abaddon lowered his arm, eyes snapping toward the priests. Fury tightening the air until it felt ready to snap.

  The chamber shuddered. Alarms bled crimson light. Static crawled across his flesh within the Terminator plate as the atmosphere imploded into a breathless hush—then detonated outward in a flash of warpfire white.

  The afterimage seared the eye. When it cleared, the Sons of the Cyclops stood in formation.

  Forty Rubricae loomed silent in baroque armor, each plate etched in curling script that glimmered faintly with warplight. Their movements were precise, unnatural—statues that had remembered how to walk. The air around them hummed with psychic ash, a cold wrongness that prickled against skin and soul alike.

  At their head strode Zaraphiston. Brass-and-bone wings arched from his shoulders, stylized dragon-heads snarling at their tips, each feather a shard of frozen warpflame. His helm’s visage bared demon fangs, its lenses burning with immaterial might. Warplight flickered across him as though the Warp itself strained to escape his frame.

  He bowed, wings folding. “Warmaster. We answer your call.”

  Abaddon’s claw flexed, dismissing the gesture with a flick of talons. “Spare me theatrics. Begin your rites. I need bodies between my line and the Corpse-Emperor’s whelp—now.”

  Zaraphiston’s voice was smooth as poisoned silk. “At once, my Warmaster.”

  At his signal, thirty Rubricae turned, marching toward the lift—empty shells, their tread a hollow echo on steel. The others knelt in unison, gauntlets hissing sparks as they carved sigils into the deck, each rune flaring with pale azure fire. Warp-stink thickened, acrid and sweet, as the twisted geometry spread outward like frost across glass.

  Above them, the weapon thrummed, its pulse syncing with the chamber’s breath.

  T-minus 00:6:54 to firing.

  ...

  Guilliman’s powerfist slammed against the sealed gates, a thunderclap of ceramite on alloy. Cracks spiderwebbed outward from the impact, jagged veins radiating like lightning across the surface—only to halt, trembling, as the doors refused to yield. Even to him.

  Around him lay ruin: thirty shattered mortals and three Terminators of the Black Legion, their broken armor leaking smoke and blood into the dirt. They had fallen in moments, caught unprepared when the “shield” failed to stop the charge. But those within had been quicker, slamming the gate shut and locking themselves behind Dark Age walls.

  Guilliman turned, scanning the thundercloud swathed heavens as he keyed his vox. His voice was clipped, precise, utterly calm. “How long until the siege breaker Dreadnought is lowered?”

  The reply crackled through, reverent and eager. “One minute, lord. The priests complete the last of the loading rites even now. Brother Aurelia is… eager to arrive.”

  “Hasten them,” Guilliman said. His tone did not rise, but the weight behind it made the order unarguable. “We have no time to waste.”

  “At once, my lord.”

  The link cut. He turned back to the doors, watching with cold eyes as the cracks he had wrought sealed themselves again, knitting closed in defiance.

  A faint snarl crossed his lips.

  “Blasted Dark Age.”

  Then an idea flared. His hand shifted on the hilt at his side.

  “Stand ready,” he commanded, his voice a peal of thunder through the ranks of his warriors.

  He stepped forward, drawing the Emperor’s Sword. Its fire burned bright the moment it cleared the scabbard, as if eager to be tested. Both of his hands wrapped around the hilt. He raised it high, and with all the weight of his gene-wrought might, brought it down.

  The blade struck like judgment.

  The alloy shrieked as the divine fire bit deep, its scream like glass raked across eternity. For an instant the doors resisted, their self-repair systems convulsing, plates warping as they tried to knit against the living flame. Perfection of matter fought the purity of holy fire.

  But the Emperor’s Sword was not mere metal.

  It was purpose made manifest.

  The alloy shuddered, edges splitting into molten slag before collapsing into drifting ash.

  A rare grin split Guilliman’s face, sharp and terrible—a smile that might have shamed Drach’nyen itself.

  From within came shouts, panicked and shrill, fear thick in every syllable.

  He struck again. The doors gave way in a blaze of light, torn asunder by the sword’s wrath.

  “Forward!”

  Dibus and Macullus surged through first, Victrix Guard shields raised high, their advance absorbing the first withering fusillade. They moved fast, faster than any mortal could track—bulwarks in motion, their blades ready. Guilliman was at their heels, a wall of ceramite and fire, his presence filling the chamber like a second sun.

  Behind him, the Terminators thundered in, their steps shaking the deck.

  The battle erupted at once, a tempest of fury in steel and flame.

  Chainblades revved and tore, power-fields snapped and hissed, melta lances shrieked as plasma bolts turned air into liquid fire. The clash was total. No line, no order—only the thunder of war as loyalist and traitor met in blood and ruin.

  The sons of Magnus spoke.

  Twenty Rubricae stepped forward as one, the air around them shimmering with the stench of the Warp. Their weapons spat sorcerous flame, each round leaving contrails of burning ash that hissed against the Victrix Guard’s wards. The rest raised their hands, chanting in hollow voices, scarlet gauntlets sketching runes of death into the air.

  And behind them—the true threat.

  Eight of Abaddon’s chosen stood silent, a wall of midnight ceramite and spiked gold. Their armor bore centuries of ruin: blackened plates pitted with old fire, studs crowned with impaled skulls that rattled as they moved. They carried the weapons of executioners—chainfists grinding, reaper autocannons snarling, combi-bolters gleaming with malice. They did not boast. They did not mock. They only waited for slaughter to begin.

  Guilliman did not.

  “Advance,” he growled.

  The Victrix Guard surged left, shields slamming into the first rank of Rubricae with force enough to send the soulless shells staggering. Guilliman waded in behind them, the Emperor’s Sword cleaving downward in an arc of gold-white light. One Rubric was split from helm to hip, its body collapsing into empty armor that clattered hollowly to the floor. Flame blazed higher as he slew two more; they screamed without voices as the fire banished the dust within their suits, leaving nothing but smoking shells.

  Ten Terminators of the First’s vanguard thundered in next, storm-bolters blazing as they closed the gap. One Black Legionnaire fell, his helm bursting apart under the fusillade—but the traitor elite struck back.

  A chainfist shrieked, carving a loyalist’s throat open in a spray of blood. A loyalist hammer answered, caving in a traitor’s chest with a crack that echoed like thunder. Bolter fire turned the chamber into a furnace of ricochets, rounds sparking across armor, detonating against walls that groaned and shivered as their self-repair struggled to keep pace.

  “On your left!” Dibus barked, his shield flaring as he caught a reaper burst head-on, the impact driving him back a step. Macullus rammed his own shield into a Rubric’s helm, the impact crushing steel like paper before skewering it through the chest.

  Guilliman was already there. The Emperor’s Sword flashed once, twice, three times—each stroke a sunflare, fast enough to be a flicker in the eyes of Astartes. The nearest Rubricae came apart in molten ruin, bolter clattering to the floor.

  In the background of the battle, Guilliman swore he could hear a woman’s voice, tinny through old speakers:

  “Reminder: use of thermal implements outside designated workshop areas is prohibited. Please report safety violations to your supervisor.”

  The Black Legion’s Terminators advanced in a wedge, weapons raised high, their leader bellowing a vox-distorted roar. The collision was thunder on thunder, loyalist against traitor, echoes rolling down the steel throat of the chamber.

  One of Guilliman’s sons fell, his chest torn apart by a lightning claw. Another drove his axe through a traitor helm, brains and ichor spraying in a sick arc.

  Guilliman pressed forward.

  He was not a duelist here.

  Not a statesman.

  Not a strategist.

  He was a weapon.

  Every swing of the Emperor’s Sword was its own battlefield: a sweep that cleaved three Rubricae into falling embers, a thrust that cored a Black Legion Terminator straight through, boiling him inside his plate.

  The melee devolved further still.

  Bolter shells detonated at point-blank range. Chainblades chewed ceramite and flesh. Shields crashed like thunderclaps, storm-bolters barked death into snarling visors. The walls ran with the echoes of gods. The deck shook with every blow as giants of the Imperium and the Long War tore into one another.

  Guilliman’s voice rose above it all, a roar like rolling artillery:

  “SONS OF ULTRAMAR! STAND FAST! CRUSH THEM!”

  The reply came, a boom of oaths and killing blows, a chorus of war hammering against the iron bones of the tomb.

  The Rubricae collapsed in burning fragments. The Black Legion faltered beneath the primarch’s wrath.

  Electric fire rippled up the back of Guillimans neck.

  The air broke.

  A stench rolled through the chamber, thick as rot, choking as spoiled blood. The firelight dimmed, shadows growing teeth.

  The Warp tore open.

  A dozen rents split the air across the gantries, ragged wounds of lightless flame. From them poured demons of Khorne and Nurgle—hulking shapes of brass and gore, beasts swollen with flies and sores, summoned by the Warmasters authority. Hound-things bounded on iron claws, ichor dripping from their maws, hissing as it hit the deck. Behind them lumbered plague-hulks, every step leaving crawling maggots writhing in their wake.

  Their roars drowned even the thunder of battle.

  The Rubricae fell back in lockstep, protecting their summoning brethren, leaving the demons room to surge forward. Black Legionnaires howled as the Warp-born tide joined them, a mass of horn and rot crashing against the Ultramarines like a living avalanche.

  “Warning: uncontrolled immaterium incursion detected. Please evacuate calmly. Report any mutations within twenty-four hours.”

  Guilliman met them head-on.

  The Emperor’s Sword blazed white-gold, lashes of fire leaping as he cut a Bloodletter in mid-leap. The demon came apart in a shriek of cinders, banished before its blade touched him. He swept the sword wide, carving apart plaguebearers, their swollen flesh bursting as they dissolved into smoke.

  Still they came.

  Terminators braced against Khornate brutes, armor shrieking under axe-blows. Macullus was driven to one knee before a demon’s blade, only for Dibus to shoulder the monster away, his shield glowing as he forced it back. Loyalist weapons rose and fell, smashing bone and brass, but for every demon unmade, another clawed its way free.

  The chamber had become a vortex of gods and monsters: Ultramarines and Black Legion locked in a vicious grind while the Warp itself bled horrors into the fray.

  Through it all Guilliman stood at the center, each blow of the Emperor’s Sword a proclamation of defiance. Divine fire lit the chamber, burning back shadow, his bellow carrying over the din:

  “Hold! Stand as one! You are the blade of the Imperium—break them here!”

  And still the demons surged, their howls rattling the walls, pressing the sons of Ultramar into the teeth of the Long War.

  T-minus 00:4:14 to firing.

  ...

  With a final grunt, Koron hauled himself free of the narrow passage, the cut edges of the alloy still glowing faintly behind him. He rose to his feet, breath sharp in his lungs, and found himself face to face with the heart of the machine.

  It should have been a place of discovery. A marvel built to peel back mysteries, to map the world’s bones and chart the silent songs of stone. Instead, it now loomed as an executioner’s tool — poised to erase a world’s worth of life in a single exhalation.

  The chamber was small, claustrophobic beneath its domed ceiling. Diagnostic banks and cogitator stacks crowded every wall, their screens whispering glyphs in his native tongue, a machine murmuring to itself after twenty-five millennia of solitude. Cables as thick as a man’s torso dangled like strangler-vines from the rafters, dripping with condensation that pattered onto the deck in a slow, uneven rhythm. The air was foul with ozone and scorched metal, heavy enough to taste.

  Every cycle of the core sent a low seismic beat through the room. It rattled Koron’s reinforced bones, set his teeth on edge, pressed copper static against his tongue. His rebuilt frame endured it. Flesh alone would have been torn apart.

  And at the center—hung the orb.

  The collection sphere floated between four curving pylons, perfect and merciless. Sparks bled down the pylons’ seams, blue-white arcs crackling like chains straining against their anchors. The orb shimmered with a haze, a stutter in the air that bent light and thought alike.

  But Koron knew better.

  Not heat. Not air. Something far worse.

  The haze was the warping pressure of gravimetric energy itself, spilling and folding across reality as the generator above funneled its harvest downward. The containment fields seethed with invisible strain, holding back a storm that wanted nothing more than to collapse the chamber into a singularity.

  Within that haze, it pulsed — a roiling ball of constantly shifting gravitic tide, knotted and warped into impossible geometries, writhing with every injection of energy from the conduits that speared into the walls. The researchers of ages past had harnessed this power, to guide it gently into the crust below for observation.

  Now, its intent was murder.

  And at its very center, half-buried in the churning hurricane, sat the true focusing crystal — the weapon’s eye.

  The eye was no grand jewel, no shining gem of artistry. It was a disc of synthetic crystal no wider than Koron’s hand, its surface unadorned, perfectly smooth, and colorless. Light did not glimmer from it; rather, it seemed to swallow reflection, every beam that touched it bending inward, dragged toward its faultless plane.

  It looked absurdly simple — a shard of glass suspended in eternity. Yet the gravitic tides snarled and twisted around it like beasts in chains, drawn into its stillness, fed into its unyielding surface and vanishing without a ripple. Looking at it too long made his stomach lurch, his inner ear swearing he was falling forward into endless depth.

  It did not glow. It did not hum. It simply was.

  Unmoved. Immutable. The perfect center.

  Koron drew a steadying breath, forcing himself to tear his gaze from the eye. His swept the chamber, scanning for the one thing he still hoped for — a manual override, a kill-switch, something.

  He found it at once. Hazard stripes. Red warning sigils. A console marked with every sign of final recourse. Relief surged—only to gutter instantly.

  The console was a ruin. Flattened. Sheared clean. The wounds in its surface carried a signature he knew too well. Autonym gravity fire.

  “…Fuck.”

  “…Fuck,” Sasha echoed, the shared curse hanging between them like static.

  His HUD flickered.

  T-minus 00:03:38 to firing.

  The air in the dome pulsed. Harder this time. His reinforced bones shuddered as if struck by an unseen hammer. Koron ground his teeth, fighting for balance.

  “That program up and running?” he muttered, already knowing the answer.

  “Partially,” Sasha snapped back. Her voice was tight, every word stressed thin by the strain of multitasking. “We’re trying to jury-rig survival math with the wrong tools in one of the most hostile environment imaginable. Forgive us if the miracle’s a little delayed.”

  He snorted. “Fair. Here’s some data for you.”

  He raised his left arm, the grapple assembly clicking into place, and aimed it at the sphere.

  “Wait, what are—”

  The line hissed out, ultrahard head and monofilament line streaking into the haze. The contact was instant, merciless.

  The grapple head simply ceased to exist — no flare, no bang, just annihilation the instant it touched the folded spacetime. The line screamed as it unspooled, dragged into nothingness until Koron cut the feed with a sharp command.

  The silence afterward was a weight, pressing in around him.

  He stared at the severed thread still trembling against his gauntlet, the faint shiver running up his arm betraying nerves his augmented body couldn’t supress. “Well,” he exhaled, voice low, dry, “didn’t think that would work… but damn, did that put a chill down my spine.”

  Sasha’s reply came raw, sharp, stripped of her usual poise. “Koron, stop testing it. You don’t understand— we’re not ready. If that had been you instead of a grapple… I can’t—"

  She cut herself off, but the jagged edge in her voice carried everything she didn’t finish.

  Another pulse rolled through the chamber. His HUD spat static, red runes flaring before stabilizing. A console to his right sparked and died, smoke curling from its seams.

  “Hey.” He forced a chuckle, the humor a flimsy mask he could feel cracking even as he wore it. “It’s fine. You’ve still got three minutes and twenty-two seconds. Easy. Just enough time to die creatively.”

  “No pressure,” she shot back, brittle composure stretched over panic, before her presence dimmed again, pulling focus into the numbers with the others.

  Koron lowered himself to his heels, metal hands braced on his knees, eyes fixed on the swirling lens. His chest rose and fell in a rhythm just shy of steady.

  He hated this. Waiting. Trusting. Being nothing but ballast while Sasha bled herself raw inside his skull. He had always been a tinkerer, a builder, hands busy, ideas percolating, always fixing, always doing.

  Now he could do nothing. Nothing but watch an impossible storm crawl toward execution. Could only count down seconds while the universe folded overhead with nothing in his hands but silence.

  It burned. Burned worse than fear, worse than pain. The simple fact that he could do nothing sat in his chest like a brand.

  And the only thing that kept him from breaking was the thought that Sasha was still fighting for him — and he would not let her hear him falter.

  ...

  Again and again his blade tore through the press as demon flesh was seared into ash, Terminator plate speared through, dust-filled armor of the Rubricae carved open with surgical fury. His bolter barked between blows, each report a thunderclap that dropped traitors where they stood.

  And yet the battle would not break.

  No matter how many he cut down, no matter how terrible his wrath, the fight hung locked in stalemate.

  Behind him his reinforcements were locked in desperate combat. The landing zones were a graveyard of shattered craft, burning wreckage forming makeshift barricades. Smashed ceramite hulls belched smoke, their fuel-lines bleeding fire that crawled across the floor in molten rivers. The air stank of promethium and ozone, every breath a lungful of smoke.

  Ultramarines crouched where they could, returning fire in disciplined volleys, leapfrogging fallback points under the hail of bolters and sorcery. Their voices cut through the vox in harsh barks — fire-lanes called, orders snapped, brothers’ names roared in warning — the iron discipline of a Legion drilled into muscle and marrow.

  But the Black Legion matched them blow for blow, their lines replenished again and again as the Warp disgorged fresh horrors onto the field. Where the Ultramarines spoke in clipped commands, the Black Legion howled oaths to the Warmaster, their chants drowned only by the guttural laughter of the demons spilling through the cracks.

  The stalemate could not last. And in his gut, Guilliman knew — the traitors had time on their side.

  In the corner of his HUD, the clock ticked down. Relentless. Inevitable.

  He parried a power axe with a flick of his wrist, his return stroke shearing the Rubric’s helm clean away, the empty shell collapsing to the floor. A heartbeat later pain flared, a plasma bolt slamming into his left pauldron. His refractors shrieked, shields bleeding light as they struggled to absorb the blast.

  Dibus and Macullus fought at his side, bloodied but unyielding, their shields raised to guard his flanks. Behind them, only eight of his personal strike force remained — scarred, battered, but holding the line around their Primarch.

  The clock ticked down in the corner of his vision, each second like a hammer-blow. Too many enemies. Too little time.

  A growl rumbled low in Guilliman’s chest as he raised the Emperor’s Sword. His desperation bled into the steel — and for the first time, he felt it stir.

  Not in motion, but in presence.

  The flames along the fuller thickened, brightened, condensing until they burned white-hot. His gauntlets trembled as the hilt seemed to pull forward, as though the blade itself sought release.

  And then — a flicker. A whisper.

  A voice at the back of his mind, familiar but too soft to hear, just beyond sense.

  A weightless touch against his pauldron, so achingly familiar he almost dared to turn.

  His breath caught.

  The light poured from the steel like a star fighting to be born. Shadows fled into nothingness. Ultramarines’ helms gleamed marble-pale; traitors stood outlined as ash-figures already consigned to the pyre.

  Guilliman’s heart hammered. The Sword demanded release.

  He drew the blade back, both hands now gripping the hilt, instinct and something more than instinct, that whisper guiding his motion.

  The flames surged, snarling with lashes of terrible fury.

  He struck.

  The blade roared — not with steel nor fire, but with purpose.

  White flame leapt outward in a tidal wave, rolling over the enemy in annihilating brilliance. Ceramite ran like wax, flesh charred into bone-dust, demons evaporated into smoke and shrieks that ended as suddenly as they began.

  For a heartbeat, hope.

  The traitors faltered, shielding their eyes from the brilliance. The Ultramarines roared, surging forward through the wreckage, bolters cutting down the staggered foe. For the first time, victory seemed close enough to grasp.

  Guilliman exhaled hard — only then realizing he had been holding his breath. But instead of triumph, weakness washed over him. His frame trembled. His breaths came ragged, shallow. It felt like molten iron had been poured into the grooves of his brain, each pulse of his heart hammering fresh spikes deeper.

  “My lord!” Macullus’s voice, shocked, desperate.

  Guilliman blinked, disoriented. He wasn’t towering above his son — he was level with him.

  He had fallen to a knee without realizing it.

  “Father, are you alright?”

  Guilliman forced air into his lungs, slow, deliberate. He rose, each motion dragging against the leaden weight in his limbs. He stared down at the Emperor’s Sword in his hand, its flames guttering back to gold. Of course. A non-psyker wielding a psyker’s weapon. Channeling power no mortal frame should endure. How did I even— He shoved the thought aside. No time for questions. First, secure the site.

  “I am fine, my son,” he said, voice iron despite the tremor in his muscles. He forced his legs forward, ignoring the fatigue dragging at every step. “Quickly. We have only minutes left.”

  The doors at the far end of the chamber chose that moment to open — not with a swing, but with a tear. Steel shrieked as hinges burst, as though even the material world recoiled.

  The chamber shook as Abaddon strode through. Lightning crawled across the Talon of Horus, its barbed fingers snapping outward to score black rents in the walls. In his other hand, Drach’nyen burned, the demon blade a wound in reality, its azure fire spilling like false dawn across the battlefield.

  That light washed over Guilliman’s armor, twisting gold into cruel mockeries of itself, each edge sharpened, each curve rendered harsh. Abaddon’s bulk filled the doorway, each step deliberate, as if the chamber itself had been built for this moment — this collision of titans.

  The lesser combatants faltered. Demons hissed and gibbered, prostrating instinctively. Ultramarines braced behind their shields, teeth clenched against the terror clawing at their hearts. Even the Rubricae seemed to bow, whether by will or by the Warp’s command, none could say.

  For an instant, the battle’s roar dulled to nothing. The only sound was the crackle of lightning and the low, hungry whisper of the demon blade.

  Abaddon’s gaze locked with Guilliman’s across the ruin. For that heartbeat, there was no war, no armies, no galaxy — only the leaders of humanity, one loyal, one damned, staring at the end of everything they had been born into.

  When he spoke, his voice carried, rolling through the chamber with the inevitability of doom. Yet beneath that grandeur, a flicker of scorn twisted each word, a jagged shard of contempt that cut deeper than the blade in his hand

  “You speak of minutes, Guilliman. I speak of endings. And yours is already written.”

  T-minus 00:02:16 to firing.