The dead stalker's fluids pooled across the deck plates in a spreading black mirror that reflected Yuki's flashlight back at her like an eye opening in the floor.
She stepped over it. Ghost was already past, the carbine sweeping the dark beyond the reactor housing, his body moving the way it moved in forests and ravines and all the other places where the geometry of survival was measured in angles and shadows. Chen followed. His breathing was wrong — shallow, hitched, the rhythm of a man whose cracked ribs were filing complaints with every step. He had one hand on the reactor housing's curved wall, steadying himself, the other clutching the tablet like it was the last honest thing in the universe.
The engineering section narrowed past the reactor. The corridor dropped from four meters wide to two — a maintenance access tunnel, conduit-heavy, the ceiling low enough that Ghost had to duck his head. The walls pressed in. Yuki's flashlight beam shortened, swallowed by the dark that seemed thicker here, denser, the quality of shadow that existed in places where light hadn't been welcome for a long time.
"Section C is ninety meters," Chen whispered. He'd memorized the directory plate. Of course he had. "Past the water recycling plant, through the secondary power junction, then—"
Something scraped above them.
Not the shuffle from before. Not the multi-legged uncertainty of a creature probing its environment. This was deliberate. Chitin on metal, the sound of something repositioning on the ceiling, adjusting its grip, the patient movement of a predator that knew exactly where its prey was and was choosing its moment.
Ghost stopped. His flashlight stayed forward. He didn't look up — looking up meant tilting the weapon, and tilting the weapon meant a half-second of vulnerability that the thing above them would exploit the way water exploited cracks.
"Ten o'clock high," he said. Quiet. The words barely disturbed the air.
Yuki's light swung up.
The stalker was three meters above them, wedged into the junction where the ceiling met the wall, its limbs splayed across the conduit runs like fingers gripping a doorframe. Smaller than the one they'd killed — maybe a hundred and thirty kilos, the chitin plates not yet hardened to their full thickness. Young. The blade-arms were folded tight against its body, tucked in, the posture of a creature that hadn't decided to attack yet.
Its head tracked the light. The mandibles worked — slow, grinding, the motion of something that was tasting the air and processing what it found there. Three humans. Blood. Sweat. The chemical signature of fear, which the stalkers on Haven had learned to read the way dogs read mailmen.
"Juvenile," Chen breathed. "Six months, maybe eight. The chitin's still translucent at the joints. It's—"
The stalker dropped.
Not at them. Beside them. It hit the deck two meters ahead with a wet crack of chitin on metal, its body compressing on impact and rebounding into a crouch that oriented on Ghost faster than Yuki's flashlight could follow.
Ghost fired. One round. The report filled the tunnel like a physical thing, slamming off the walls, bouncing between the conduit runs, turning the confined space into a chamber of compressed noise that hit Yuki's eardrums like palms. The round struck the juvenile's shoulder plate. Punched through — the immature chitin gave where the adult's hadn't, the round entering the joint and exiting through the other side in a spray of dark fluid that painted the wall in a pattern like a Rorschach test.
The stalker screamed. Shorter than the adult's shriek, higher-pitched, the sound of something young that hadn't learned to modulate its pain response. It twisted away from Ghost, its damaged forelimb dragging, and scrambled up the wall with the remaining five limbs. Fast. Desperate. The scratching of chitin on metal filled the tunnel as it retreated into the dark ahead.
"Wounded," Ghost said. He didn't pursue. Pursuing a wounded animal into darkness was how soldiers became statistics. "It'll either bleed out or come back."
"Fifty-nine," Yuki said.
Ghost looked at her.
"Rounds. You're at fifty-nine."
His jaw tightened. A small motion. The acknowledgment of a man who understood that ammunition was time, and time was running out, and every trigger pull was a withdrawal from a bank that didn't allow deposits.
They moved.
---
The water recycling plant was a room the size of the shuttle's cargo bay, filled with machinery that hadn't operated in eight months. Filters. Tanks. The chemical processing equipment that turned human waste back into drinkable water — the closed-loop system that every orbital station depended on because space didn't have rivers.
It also had cages.
Chen saw them first. His flashlight found the corner of the room where the recycling tanks gave way to a section of deck that had been modified — welded, reinforced, the crude industrial work of people who needed containment in a hurry and didn't care about aesthetics. Metal bars. Thick. Spaced at intervals that would prevent something with blade-arms from extending them to full reach.
Six cages. Each one three meters by three meters, the floor scored with deep grooves where chitin had scraped against metal for months. The bars were scarred — scratch marks, impact dents, the evidence of things that had thrown themselves against the walls of their enclosures with the relentless, mindless persistence of creatures that understood captivity at a cellular level.
"Holding pens," Chen said. His voice had gone flat. The technical enthusiasm was gone, replaced by the tone he used when the data was telling him something he didn't want to know. "They were breeding them here. The cages have—" He moved his flashlight along the nearest enclosure. "Feeding troughs. Automated. Connected to the recycling system's output lines. They were feeding the stalkers processed organic waste."
"They were feeding them shit," Ghost said.
"Recycled organic matter. Technically."
"Shit."
Chen didn't argue. He moved deeper into the room, his flashlight cataloguing details with the compulsive thoroughness of a man who couldn't stop observing even when what he observed made his stomach twist. Temperature control units mounted above each cage — the stalkers were cold-blooded on Haven, which meant they needed external heat regulation in a station environment. Drainage channels in the floor, leading to a sealed waste processing unit. And on the wall beside the cages, a clipboard.
Paper. Actual paper, the kind nobody used anymore except when they wanted records that couldn't be hacked or remotely deleted. Chen picked it up. His flashlight illuminated handwritten entries — dates, measurements, annotations in a cramped hand that had the clinical precision of scientific notation.
"Breeding logs." His eyes moved across the page. "Gestation periods. Growth rates. Behavioral conditioning protocols." He turned a page. "They were tracking aggression responses to different stimuli. Sound. Light. Chemical triggers. They were training them, Sarge. Not just breeding — conditioning. Teaching them to respond to specific signals."
The electromagnetic control system Garrett had used on Haven to direct stalkers. It wasn't field technology. It was something developed here, in these cages, on this station, refined through months of experimentation on creatures that had been captured and bred and trained in a military installation that the Reaper Program had conveniently decommissioned.
"How many?" Yuki asked.
Chen looked at the logs. Counted entries. His lips moved.
"Thirty-two hatched. Twenty-four survived to maturity." He paused on a final entry. "Eighteen were transported off-station six months ago. Destination coded as 'HAVEN-3.'"
Eighteen stalkers. Transported to Haven. The same Haven where Squad Specter had been fighting stalkers that exhibited coordinated behavior and electromagnetic responsiveness. The stalkers that had hunted them through the forest weren't wild animals defending territory. They were weapons. Deployed.
"That leaves six on station," Yuki said.
"If none died since the last entry." Chen set the clipboard down. His hand was shaking — not from pain, not from the ribs. From the understanding that the predators they'd fought on thirty-nine missions weren't just alien fauna. Some of them were manufactured. Purpose-built. The Collective hadn't just exploited alien worlds. They'd weaponized them.
"We killed one," Ghost said. "Wounded another."
"Four minimum. Maybe five, if the wounded one doesn't count."
Four stalkers. In the dark. In corridors designed for humans, not combat. With fifty-nine rounds in the carbine and four in the sidearm.
The math was bad. The math had been bad since Haven. Yuki was getting used to operating inside bad math.
"Move," she said.
---
The secondary power junction was thirty meters past the recycling plant. They covered the distance in silence — Ghost on point, carbine up, his flashlight mounted to the rail casting a hard white cone through the dark. Yuki behind, sidearm drawn, her cybernetic hand steady even as her organic one slicked with sweat against the grip. Chen in the rear, one hand on the wall, his breathing a controlled stutter that said his ribs were done negotiating and had moved to demands.
The junction was a crossroads. Four corridors meeting at a central hub, each one disappearing into its own pocket of dark. Emergency lighting strips on the walls, dead. Directional signs above each corridor — SECTION A, SECTION B, SECTION C, SECTION D. Section C was the second corridor on the left.
Ghost stopped at the junction's threshold. Held up a fist. Yuki froze. Chen froze.
The sound came from the right-hand corridor. Section D. Not the shuffling they'd heard before — clicking. Fast. The staccato rhythm of multiple sets of chitin-tipped limbs moving on metal grating at speed. More than one. The clicks overlapped, creating a pattern that was almost musical, almost rhythmic, the percussion of creatures that had been bred in proximity and had synchronized their movement the way birds synchronized their flight.
Two. Maybe three. Moving toward the junction from Section D, attracted by the noise of the gunshot that had echoed through the station's corridors seven minutes ago.
"Section C," Ghost said. "Now. I hold."
"Negative." Yuki moved beside him. "You don't hold a four-way junction alone."
"You don't have the ammunition to hold anything. Four rounds. Get Chen to the console." Ghost's voice was the flat, compressed register that meant he'd already made the decision and the conversation was a formality. "I put rounds into the corridor mouth. They funnel. The junction forces them through a two-meter opening. I can hold that."
"For how long?"
"Long enough." He looked at her. In the flashlight's backwash, his face was angles and shadow, the geography of a man who'd been pressing his body into stone and dirt and alien soil for fifteen years and had taken on their qualities. "Get Chen to the console. Get the reactor started. I'll be here."
The clicking was louder. Closer. The stalkers were in the corridor — maybe fifty meters out, maybe thirty. The acoustics of a sealed station turned distance into a guessing game.
Yuki looked at Ghost. At the corridor to Section C, dark and narrow and the only path to the console that would save them. At Ghost's hands on the carbine — steady, sure, the hands she'd watched kill from five hundred meters and hold still through winds that would have pushed lesser shooters off target.
"Fifty-nine rounds," she said.
"Fifty-eight. I'm keeping one." He didn't explain. He didn't need to. Yuki understood. Every soldier understood. The last round was the one you kept for the math that didn't work out.
She touched his shoulder. Her cybernetic hand on the fabric of his vest, the metal fingers pressing against the armor plate, the coldness of the prosthetic against the warmth of his body. Not a squeeze. Not a grip. A touch. The kind of contact that said everything the voice wouldn't.
Ghost's hand came up. Covered hers. Two seconds. Then he moved to the junction's edge, positioning himself at the corner where Section D's corridor opened into the hub, and brought the carbine up.
"Go," he said.
Yuki grabbed Chen's arm and pulled him into Section C.
---
The corridor was wrong.
Not the structure — that was standard military. Two meters wide, conduit ceiling, grating floor. The corridor itself was what every corridor on every station looked like, the utilitarian architecture of humanity's off-world presence.
It was the walls.
Yuki's flashlight found them and she stopped. Chen walked into her back. She didn't notice.
The walls were scored. Not scratched — scored, the way stone gets scored by river water over centuries, deep grooves cut into the metal surface by something that had dragged itself along these corridors repeatedly, obsessively, the same paths worn into the steel like game trails worn into forest floors.
And on the walls, between the grooves, something else.
Residue. Dark. Organic. The stalker fluid she'd seen on Haven — the substance that smelled like copper and machine oil and something else she'd never been able to name. But here, on the station's walls, the residue had dried and cracked and formed patterns that didn't look random.
Chen stared at the patterns. His flashlight moved along the wall, tracing the residue trails, and his mouth opened slightly.
"They marked territory," he said. "The stalkers. They weren't just contained here — they were... organizing. These are movement patterns. Routes. The grooves are pathways they used repeatedly, and the residue marks are—" He stopped. Pressed his fingers against the wall. Pulled them away and looked at the dark smear on his fingertips. "Pheromone signatures. Chemical communication. They were talking to each other through the walls."
Behind them, the first shot rang out.
The carbine's report was distant — muffled by the corridors between them, compressed by the station's geometry into a flat crack that bounced and echoed. Then another. Then three in rapid succession, the controlled pairs-and-one rhythm of a shooter who was rationing his fire.
Ghost.
Yuki's hand tightened on the sidearm. Every part of her training said go back, support the man, put fire on the threat. Every part of her mission said keep moving, get Chen to the console, because the console was the reactor and the reactor was the wormhole and the wormhole was survival for nine people instead of one.
"Move," she said. The word came out harder than she intended. Chen moved.
They ran. The corridor stretched ahead — thirty meters, forty, the Section C access tunnel that felt longer than any kilometer of Haven's forest because the walls were close and the ceiling was low and the dark ahead was the kind of dark that ate flashlight beams and gave nothing back.
More shots behind them. Single rounds now. Spaced. Ghost's fire discipline holding even as the stalkers closed, because Ghost's discipline was the last thing about him that would fail.
Twenty meters. Chen was gasping. His ribs were grinding — she could hear it, the wet crunch of bone edges moving against each other with each stride, the sound of a body that was done cooperating but whose owner refused to stop.
Ten meters. The corridor opened.
Section C's engineering bay was smaller than the primary. A backup — the redundant system that military installations maintained for exactly this scenario, when the primary was compromised and the mission still needed completing. One console. One reactor interface. One set of controls that connected to the same wormhole node.
Chen collapsed against the console. Not dramatic — controlled, a man depositing himself at his workstation with the last energy his body could produce. His hands found the emergency boot switch. Pressed it. The console flickered.
Came alive. Blue screen. BIOS initialization. The same startup sequence as the primary console, running on a backup battery that showed eleven percent charge.
"I'm in," Chen gasped. His fingers were already moving. "Reactor cold-start sequence. Containment first. I need—" He coughed. Blood appeared at the corner of his mouth — not a lot, just a pink thread, the kind of trace that meant his cracked ribs had graduated from nuisance to internal concern. He wiped it with his sleeve and kept typing.
The gunfire behind them had stopped.
Yuki stood in the doorway of Section C's engineering bay, sidearm raised, flashlight cutting the corridor they'd come through. The silence was worse than the shooting. The shooting meant Ghost was alive and fighting. The silence meant one of two things, and she refused to consider the worse one.
"Chen."
"Containment fields initializing. Sixty percent. Seventy. The backup battery's draining fast — nine percent now. I need three minutes."
Three minutes. In the dark. In the silence. With four rounds and a corridor that stretched back toward a junction where the gunfire had stopped.
Then — footsteps. Not chitin. Boots. The measured, unhurried pace of a man who didn't run because running was wasted motion.
Ghost appeared in the corridor. Walking. The carbine hung at his side from the sling. His right hand was pressed against his left forearm, and between his fingers, dark liquid that caught the flashlight and reflected it back.
Not stalker fluid. Red. Human red.
"Two down," he said. He reached the doorway. Leaned against the frame. Lifted his hand from his forearm. The wound was a gash — eight inches long, running from elbow to wrist, the clean cut of a blade-arm that had gotten closer than the carbine's length.
"The second one got inside my reach. Hooked me on the backswing." His voice was steady. Reporting damage the way he reported weather. "Missed the artery. The bone's intact."
"How many rounds?"
"Thirty-one."
He'd spent twenty-seven rounds on two stalkers. In a confined space, with perfect fire discipline, twenty-seven rounds to kill two creatures that were bred to survive exactly this kind of engagement. The ammunition calculus was contracting around them like the walls of the corridor they'd just run through.
Doc wasn't here. The medic and his steady hands and his bandages and his calm were fifty meters away in a shuttle on the other side of a dead station. Yuki holstered the sidearm. Reached into her vest. Found the field dressing — standard issue, the compressed gauze and elastic that every soldier carried because the military assumed its people would bleed.
She pulled Ghost's arm toward her. He didn't resist. His forearm was slick — the blood was flowing freely, the bright arterial red of a wound that was close to the big vessels even if it hadn't severed them. She pressed the gauze against the gash. Wrapped the elastic. Pulled it tight. Ghost's breath hitched once. Once was all he'd give it.
"Hold pressure."
"Copy." His right hand clamped over the dressing. His left — the wounded arm — hung at his side. The carbine shifted to his right hand. One-handed. Thirty-one rounds and one arm.
"Chen," Yuki said. "Talk to me."
"Containment at ninety-two percent. Battery at six. I'm starting the fusion sequence — it's automated once containment is confirmed, but the startup draws power from the battery and I don't know if six percent is—"
The console beeped. Chen's hands froze.
Not a system sound. Not the BIOS. A communication alert — the kind of automated notification that military consoles generated when they detected network traffic on a monitored frequency.
Chen's eyes moved to the notification. His lips parted.
"There's an active signal on the station's internal network."
"From the shuttle?"
"No. From inside the station. Section D." His fingers moved, pulling the notification open, tracing the signal's origin through the station's communication architecture. The color left his face — what little color the blue screen had given it drained away, leaving him the gray-white of the cave walls on Haven. "It's a data uplink. Someone is transmitting from Section D to an external relay. Real-time. Active."
"The station's decommissioned. There shouldn't be—"
"There shouldn't be stalkers either." Chen swallowed. "The transmission is encrypted. Collective-standard encryption — the same protocol the facility on Haven used. And the relay it's transmitting to..." He checked the destination address. Checked it again. "Orbital Station Prime."
The dead station was talking to Vance.
Not the shuttle's communication system. Not the radios they'd taken from the security team. An independent transmission system, built into the station, running on power that the decommission hadn't touched, sending data to the head of the Reaper Program in real time.
Which meant Vance knew they were here. Knew they'd come through the wormhole. Knew they'd found the stalkers and the cages and the breeding logs and everything else the Collective had hidden in a station they'd told the military was empty.
Chen looked at Yuki. The console's glow turned his face into something carved from cold light, all angles and shadow, the face of a man who had followed the data to its conclusion and found the conclusion waiting for him with its teeth out.
"It's not just a kennel," he said. "It's a listening post. We didn't escape to a dead station, Sarge. We escaped to a surveillance node." His voice cracked on the last word. "They've been watching us since we docked."
The reactor hummed. Deep in the station's bones, the fusion process was igniting, power flowing through systems that hadn't been truly dead — just waiting. The lights in Section C's engineering bay flickered. Caught. Held. Pale emergency lighting, casting everything in the flat amber of a system running at minimum capacity.
And in the new light, through the corridor behind them, Yuki heard the sound she'd been dreading since the gunfire stopped.
Clicking. Not from Section D, where Ghost had killed two.
From Section A. And Section B. Coming from every direction at once, the synchronized percussion of creatures responding to a signal they'd been trained to obey, converging on the part of the station where the lights had just come on.
Ghost raised the carbine. One hand. Thirty-one rounds. His blood was already soaking through the field dressing, dark spots blooming on the gauze like flowers opening in fast-forward.
"How long on the wormhole?" he asked.
Chen stared at the console. At the reactor status. At the wormhole node interface that was spinning up with the fusion power, the system booting for the first time in eight months, handshaking with the orbital network that would allow them to open a bridge to anywhere.
"I don't know," he said. And for the first time since Yuki had known him, he didn't immediately try to find out.
The clicking grew louder. The lights flickered. And somewhere in Section D, a transmitter fed their position to a woman three wormhole jumps away who had already decided their futures over a radio frequency they weren't supposed to hear.
