Chương 6: Chapter 5: Run For Your Life
Immortal Thunderlight [An Undead Progression Horror] · S.C SUPREME · 158 chương · ~24 phút đọc · Tạo 05/07/2026
DING. The elevator bell rang once, dry, hollow, wrong. Its echo traveled through the red corridor like a funeral chime struck somewhere beneath the world. For one second, neither John nor Z-69 moved. Emergency lights pulsed across the second sublevel, washing cracked walls, broken glass, and blood-stained tiles in crimson. Behind them, the pressure chamber stood open and empty. U-022 had died there without eyes, screaming through a body built to feel everything. John slid the spatial gun back into his coat.
His cigarette had burned almost to the filter.
"Finally," he muttered.
"Done with this floor." His voice was ragged, but the sarcasm survived anyway.
"Come on, Z-69. Let's move before this place remembers it still hates us." Z-69 nodded once. The violet crystal in his chest pulsed beneath dust, grime, and dried blood. The energy taken from U-022 had not settled yet. It moved through him in uneven waves, like stolen fire deciding whether it belonged inside his body. His limbs felt sharper, and his hunger had retreated deeper. Not gone. Watching. That was progress. Probably. They stepped toward the elevator. The corridor exploded.
The blast arrived before the sound. A wall of force tore through the hallway and hurled them backward. Z-69 twisted in the air on instinct, caught John against his side, and took the first impact as they struck the far wall. Concrete cracked behind his spine. John hit the floor beside him with a metallic crash, spraying sparks from his damaged mechanical arm. The place where they had stood a heartbeat earlier no longer existed.
Steel folded, concrete split, and emergency lights burst overhead, raining red glass through a cloud of dust thick enough to chew. Then came the roar, low, wet, and too large for the corridor that carried it. Something moved inside the smoke. Hot wind rolled through the breach, bringing ammonia, scorched flesh, engine oil, and chemical preservatives cooked together. John pushed himself onto one elbow and coughed blood into his hand.
"What the hell—Z-69!" Z-69 was already standing. His eyes burned brighter through the drifting dust as a shape stepped from the rupture. It stood more than three meters tall. Its body resembled living concrete poured into a human frame, then wrapped in strips of torn skin. Thick metal seams crossed its torso and limbs, as though someone had dismantled a man, discarded most of the human pieces, and rebuilt the remainder into a weapon. Its eyes were blank white.
Its mouth stretched too wide across its face, packed with steel teeth shaped like saw blades. Each breath vented dirty vapor from its throat. A dented identification plate remained embedded beneath the scar tissue and armor covering its chest. BIO-GUARD ALPHA — EXPERIMENTAL MUTANT ZC-01 PROJECT: SENTINEL STATUS: ACTIVE John went still. For once, the cigarette nearly fell from his mouth.
"An Alpha-type guard?" His humor had vanished.
"That project was supposed to be dead." The Alpha answered with another roar and charged. Something that size should have been slow, heavy, and obvious. It was none of those things. It accelerated like a nightmare skipping directly to the part where it killed you. Its fist struck the wall beside them and erased half of it. Steel folded inward, concrete burst outward, and shrapnel screamed through the corridor.
Z-69 caught John by the coat and dragged him aside before the follow-up strike cratered the floor where they had fallen. The Alpha kept coming.
"You ugly bastard," Z-69 muttered. He pushed John behind him and shifted his stance. His body objected immediately. The elevator doors had already broken both arms once. The strength forced out by the stimulant cigarette was gone, and U-022's energy had not finished integrating. His muscles obeyed, but not cleanly. His right leg reacted a fraction late. His shoulder threatened to pull loose whenever he raised his guard. Against ordinary enemies, those flaws were survivable.
Against this thing, they were a countdown. Then the second problem arrived. No—the next dozen. Low-tier security zombies poured through the breach behind the Alpha like rot spilling from an opened wound. Broken armor hung from decaying bodies, masks swung from torn straps, and uneven boots hammered the floor as the mass filled the corridor. They were not fast, but they did not need to be. They only had to slow Z-69 long enough for the Alpha's next blow to become final.
John glanced at the horde and sighed through his cigarette.
"I really hate teamwork."
"Run," Z-69 said. That got him moving. They bolted beneath violent red flashes from the emergency lights. The corridor shook under the Alpha's pursuit. Each footstep cracked concrete; each swing turned ducts, wall panels, and abandoned containment equipment into fresh shrapnel. The zombies followed in a broken wave. Some ran. Some crawled. Others dragged themselves on shattered limbs, leaving sparks where old armor scraped the floor. The Alpha struck an overhead air duct.
Metal split, and freezing vapor poured down in a white flood. The temperature collapsed so quickly it burned Z-69's exposed skin. Something skittered from the mist. It had four limbs, a human head, and a body stretched into the rough shape of a rat. Red eyes bulged above a long muzzle filled with human teeth. You might be reading a pirated copy. Look for the official release to support the author. John gave it one look and sounded genuinely offended.
"This floor is a damn zoo." Z-69 pivoted and drove his heel through the creature's skull. Bone and flesh burst against the wall, painting the freezing vapor red. The horde did not slow.
"Right side!" John shouted. A bent steel door stood half open through the dust. Beyond it, a rusted spiral stairwell twisted upward into darkness. They ran for it. Z-69 nearly lifted John off his feet as he hauled him through the doorway. The Alpha struck the entrance a second later. Half the lower staircase vanished in one blow, and twisted metal rained into the shaft, taking several zombies with it. Their shrieks continued until the dark swallowed them.
"Up!" John barked. They climbed. There was nothing graceful about it. The spiral shook under their weight while the Alpha tore at the lower supports. The creature was too large to fit through the narrowing shaft. It tried anyway. Each impact sent tremors through the stairs. Every groan from the old metal sounded like a warning that the structure had begun reconsidering its loyalty to gravity. John's breath turned ragged.
Z-69's crystal consumed energy faster as his damaged body repaired itself just enough to keep moving. They climbed until the roar below weakened, then climbed farther. By the time they entered the next corridor, the second sublevel had gone completely feral. Lights flickered in seizures. Alarms screamed from every direction. Claw marks gouged the walls—some too large to belong to anything that should have fit inside the facility. Something waited at every intersection.
Type-B anomalies crawled along the ceiling on reversed limbs, human torsos twisted beneath them while wet organs dragged like ropes. Type-U entities hovered farther ahead, little more than heads wrapped in black smoke and half-formed arms. They did not attack. They watched. That made them worse. John kept moving with one hand close to his weapon, the cigarette filter crushed between his teeth.
"Don't stare at the Type-U ones. They map fear through changes in pulse." Z-69 looked at him.
"You say that like it is normal."
"Down here, it is."
"You are not afraid?"
"My heart is mostly hardware. Best panic-management upgrade I ever bought." The wall ahead exploded. The Alpha had found another route. It punched through the corridor in front of them, dragging broken concrete and two screeching zombies through the hole. John fired on reflex. Blue-white current crawled over the Alpha's body. It did nothing. The creature did not flinch or slow. It merely turned its empty white eyes toward John.
"Pointless," Z-69 said. He dragged John away before the next strike obliterated the floor beneath the old man. The temperature in the corridor was rising now, but not because of the Alpha. Z-69 smelled it first. Gas. Old industrial pipes ran along the ceiling. One had split near the breach, releasing an invisible stream of fuel into the air. His gaze moved from the pipe to John's cigarette.
"Let it taste your smoking habit." John stared at him as though he had insulted both science and religion.
"My cigarette?"
"Who else here smokes?" The Alpha lunged. That ended the discussion. John lit a fresh cigarette, cursed the universe, and threw it toward the broken pipe. For half a second, nothing happened. Then the gas caught. White fire swallowed the corridor. Zombies disappeared inside it. Dust ignited, and metal walls warped as the blast wave rolled toward them. Z-69 grabbed John and drove both of them through the nearest steel door just before the explosion reached their backs.
They hit the floor hard and slid across smooth metal. Behind them, the corridor became an inferno. The screams were almost worse than the detonation. Almost. They remained on the floor for three seconds while ash drifted through the open doorway. John rolled onto his back and coughed until his entire chest shook.
"That," he wheezed, "was invigorating." Z-69 pushed himself upright. Smoke rose from his skin where the heat had touched it.
"We need a route to the first sublevel." John sat up more slowly and wiped blood from his mouth.
"The old laboratory maps were stored in Section N. Anomaly wing. There should be a technical route file there, assuming the room still exists."
"And if it does not?" John reached toward his coat for another cigarette, stopped, and looked at the burning corridor. He put it back with visible pain.
"Then we improvise badly." That was good enough. They moved. Section N was darker than the rest of the facility. The corridor walls were thicker, the doors heavier, and the warning signs both older and far more specific. Whatever the Sanctuary had locked here, it had not trusted the locks. The farther they went, the colder it became. Not natural cold. Containment cold—the kind used to keep mistakes asleep. Then they heard it. Clank. A pause. Clank. John raised one hand.
"Wait." Z-69 tilted his head and listened.
"That is not a footstep." John glanced toward him.
"A tail," Z-69 said.
"Heavy. Armored. Dragging at fixed intervals." As though the thing understood it had been identified, it attacked. The wall to their right burst apart. A serpentine anomaly shot through the opening, more than ten meters long, with overlapping armor plates fused directly into its flesh. Too many eyes covered its head. Its mouth split sideways before opening forward. The creature coiled around a support pillar with impossible speed. Spiked metal bands wrapped its tail, which dragged once across the floor. Clank.
John stared up at it with exhausted hatred.
"This is exactly why I hate this section."
"You are still talking," Z-69 said, grabbing his sleeve.
"Use that energy to move." The serpent lunged. They ran. The corridor narrowed sharply ahead. The anomaly's armored body slammed into the turn behind them, buying a few seconds. Only a few. At the end of the passage stood a sealed containment door. It was old, eaten by rust, and somehow still functional. The display above it flickered weakly. CONTAINMENT CELL N-013 CLASSIFICATION: UNKNOWN THREAT LEVEL: INDETERMINATE STATUS: SEALED John stopped so abruptly that Z-69 nearly collided with him.
"That means something to you," Z-69 said. John's expression had changed—not quite fear, but recognition dragged through old damage and buried memory.
"N-013," he whispered.
"There was something in there."
"That narrows it down." John's cybernetic eye flickered hard.
"Something bad enough that I sealed the memory." Behind them, the serpent's tail struck the floor. Clank. Closer. Another sound followed from farther away, heavy, deliberate impacts, each one breaking concrete. The Alpha. Z-69 looked at the door, then at John.
"We are out of time."
"Z-69—" He seized the emergency override. The rusted mechanism resisted for half a second, then screamed apart in his grip. Locks disengaged one after another inside the wall. The containment door opened. Cold erupted into the corridor. Not cool air. Not refrigeration. Cold intense enough to burn. Pale blue mist flooded over them as frost raced across the walls, ceiling, floor, and metal around their boots. The serpent recoiled. Even the Alpha's approaching footsteps slowed.
Inside the cell, half hidden among shattered IV tubes and cracked glass, something small lay curled beneath the freezing vapor. A fox—or something shaped like one. Her fur was blue-white and faintly luminous, darkening to deep azure along her back as though each strand held trapped moonlight. A single crystal glowed at the center of her forehead. She slept with her body curled tightly around herself, each breath leaving a thin blue-white wisp in the air. For one strange second, the world became quiet. No alarms.
No roars. No armored tail dragging across steel. Only the fox—small, beautiful, and wrong enough to make every monster beyond the cell hesitate. A drop of condensation fell from the ceiling and landed on her nose. One ear twitched. Her eyes opened: pale blue, clear as ice, and far too aware. The air around them warped. Depth shifted first, then distance. The room seemed to slide half an inch sideways from reality while every edge inside it became both nearer and farther away. Something brushed against Z-69's mind.
Not a voice. Not yet—a presence soft as fur, cold as moonlight, and sharp as teeth hidden beneath snow. John felt it too. Color drained from his face as a sealed memory broke through whatever wall he had built around it. He swallowed.
"Oh, shit." A beat passed. Then, more quietly, "We're screwed." The fox lifted her head. Behind them, the serpent froze. Farther away, the Alpha's footsteps stopped. Across the second sublevel, every monster fell silent. As though something worse than hunger had opened its eyes. John did not blink.
"That is N-013," he whispered.
"The Phantom Fox."

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