Night didn’t arrive.

  It was switched on.

  One moment the artificial sky was a dim gray sheet stretched over steel treetops.

  The next, the light died as if someone had yanked a cord from the world’s spine.

  No sunset.

  No warning.

  Just—off.

  The artificial forest swallowed them in a darkness so complete it felt physical, like a slab of metal lowered over their heads.

  The temperature dropped in a single breath.

  Moist air tightened, turning heavy and cold, and a thin gray mist crawled up from the soil, wrapping their shins like damp bandages.

  Ten sucked in air—and immediately coughed, hard and ragged, as if the cold itself had claws.

  “S-so cold…” His voice came out smaller than he meant it to.

  Jin spat a curse under his breath, hugging his arms closer for warmth he didn’t have. “A few minutes ago it was frying us. Now it’s a freezer. This Tower’s got a sense of humor.”

  Z-69 didn’t answer right away.

  He stood still, head slightly tilted, listening the way predators listened—not for sound, but for the shape of silence.

  The forest was different at night.

  Not just darker.

  Sharper.

  The same trunks, the same metallic leaves—yet everything felt reconfigured, as if the entire floor had switched modes.

  A low scrape echoed far away.

  Metal against metal. Slow. Intentional.

  Z-69’s eyes narrowed.

  “We need shelter.” he said. “Now.”

  Ten swallowed. “You feel it too?”

  “Instinct.” Z-69’s tone was flat, but the muscles in his jaw were tight. “Night changes the rules.”

  Jin snorted, trying to sound unimpressed. “Don’t say it like that. You’re making it worse.”

  Z-69 looked at him. “It is worse.”

  They moved—fast, but not reckless.

  The daytime phase had taught them that panic was just another kind of blood in the water.

  If the forest wanted them to run, they would run into traps.

  If it wanted them to gather, they would gather in kill zones.

  Ten dropped to a knee and pressed his palm to the soil.

  His eyes shut.

  His breathing slowed.

  He listened through the ground the way a spider listened through its web.

  “Over there.” Ten whispered, pointing toward a cluster of massive exposed roots twisted like black ribs. “Less vibration. Like… nothing big uses that area. It’s… quiet.”

  Jin flickered away and back—just a quick scouting burst, barely visible in the dark.

  “No obvious paths. If something comes, it’ll come from the west. The canopy’s thinner there. More approach angles.”

  Z-69 nodded once. That was enough.

  They moved into the hollow space beneath the roots.

  The structure was partially corroded, the interior scraped clean by time and something else.

  It was not comfortable.

  It was not safe.

  But it was cover, and in this place cover was currency.

  Z-69 used the Heaven-Sundering Blade to cut flexible metal branches and wedge them into a crude barricade at the opening.

  He kept his movements controlled—no big swings, no bright lightning.

  A single flare was a signal in the wrong language.

  Ten gathered thick metallic leaves and layered them on the ground as insulation.

  His hands shook—cold, fear, exhaustion, all braided together.

  Jin moved around the perimeter and set simple warning traps: thin wires of scavenged vine-metal stretched low, small shards positioned to rattle if disturbed.

  Not lethal.

  Just enough to tell them where death was walking from.

  They finished just as the darkness deepened again—as if the forest had been waiting for them to settle before leaning closer.

  Ten hugged his knees. “It…dark and cold here.”

  Z-69 raised two fingers.

  A faint filament of purple electricity flickered to life between them—no brighter than a dying ember.

  It lit their faces with distorted shadows, turning skin into pale stone and eyes into wet glass.

  Ten’s shoulders eased a fraction. “Now it just cold and a little dark.”

  “I’m keeping the light weak.” Z-69 said. “Just enough to see each other.”

  Jin let out a dry laugh, but his eyes kept cutting to the dark beyond the barricade. “Good. I’d rather not die because we lit ourselves up like a billboard.”

  For a few seconds, nothing happened.

  The quiet felt wrong.

  Not peaceful—expectant.

  The night forest had a different soundscape than the day.

  No insect-like clicking from the Scarabs.

  No distant mechanical groans.

  Just scattered, faint noises—metal brushing metal, something moving over leaves… and a soft, irregular breathing that didn’t belong to any of them.

  Ten stiffened. “D-do you hear that?”

  Z-69 extinguished the spark instantly.

  Darkness returned in a blink of an eye.

  “Yes.” he said into the black. “And it’s not ours.”

  One of Jin’s traps clicked—lightly.

  Barely a sound.

  But in that silence, it was a shout.

  Jin was on his feet before Ten could blink. “West.”

  Nothing charged in. No roar. No dramatic leap.

  A shadow moved at the edge of where Z-69 knew the opening was—then disappeared, silent as a thought.

  Jin’s jaw clenched. “They’re watching.”

  Z-69 didn’t answer immediately.

  His senses—dulled by the day’s constant strain—reached outward.

  He couldn’t see, but he could feel shifts in air pressure, faint changes in temperature, the subtle redistribution of weight on leaves and soil.

  “They’re testing us.” Z-69 said. “They want to learn how we react.”

  Ten’s voice came out small. “Toying with us?”

  “Yes.”

  Jin swallowed. “So… what do we do?”

  Z-69’s answer was calm, almost cold. “We don’t give them patterns.”

  The first hit came without warning.

  Something slammed into the barricade—hard enough to make the roots vibrate—then bounced away, fast.

  A second impact followed from a different angle, almost immediately. Not random. Probing.

  Ten’s breath hitched. “Right—!”

  Z-69 pivoted and swung in a controlled arc.

  The blade met something solid.

  A sharp screech tore through the dark—too high to be metal, too thin to be a normal animal.

  The thing withdrew instantly.

  Jin darted forward with a short, precise thrust, but his strike met empty air.

  Whatever it was, it had already repositioned.

  “They’re fast.” Jin growled.

  “And disciplined.” Z-69 added.

  The probing stopped.

  Again: no bodies. No mess. No reward.

  Only a new set of claw marks along the barricade—deliberately placed at different heights, like data points recorded with sharp fingers.

  Ten pressed his palm to the ground again.

  Sweat broke out on his forehead despite the cold.

  “They’re… they’re moving.” he whispered. “A lot of them. Circling. Not rushing. Like they’re… counting us.”

  “How many?” Jin asked.

  Ten’s eyes fluttered. “I— I can’t… too many small steps. Dozens. Maybe more.”

  Unauthorized duplication: this narrative has been taken without consent. Report sightings.

  Jin exhaled through his teeth. “Great. A smart pack.”

  Z-69’s chest crystal pulsed once—softly, like a sleeping beast shifting.

  The Hunger murmured behind his ribs, amused.

  Many. Good.

  Z-69 ignored it.

  “Stay close.” he said. “Ten, keep reading the ground. Call directions. Jin—don’t chase. If you chase, you separate. They want separation.”

  Jin looked offended, then remembered where they were. “Fine.”

  Ten nodded quickly, swallowing fear like a pill. “O-okay.”

  For a few minutes, nothing happened.

  The forest seemed to breathe around them.

  Then the second wave came—from above.

  A shadow dropped from the canopy with terrifying silence, landing inside the perimeter like it had been there all along.

  Jin reacted on instinct, flickering to intercept—too fast, too direct.

  The creature feinted.

  A second shadow slammed into Jin from his blind side, shoulder-checking him with brutal force.

  Jin went skidding backward, rolling hard across leaves and metal debris.

  Ten shouted, “Left—!”

  Z-69 stepped in front of Ten without thinking, blade rising.

  The first attacker lunged.

  Z-69 caught snapping jaws on the flat of his blade.

  The impact sank him half a step into the ground.

  Even with his undead strength, the force was obscene—dense, compact, engineered.

  A brief flicker of purple light jumped from Z-69’s grip—accidental, restrained—but enough to reveal the outline of their enemy.

  A Night Reaver.

  It looked like a primate built by a nightmare that knew how machines worked.

  Fur clung in dark patches around a rigid metal exoskeleton.

  The arms were too long, ending in claws that gleamed like scalpel tips.

  The legs were shorter, built for springing.

  Its face was half organic snout, half armored frame, with eyes that caught light like wet glass.

  It stared at Z-69, head slightly tilted.

  Not confused.

  Evaluating.

  Jin got up, teeth bared. “Night Reavers…”

  Ten’s voice shook. “You… you know them?”

  “I’ve heard stories.” Jin said, breathing hard. “Nocturnal pack predators. Smart. They don’t hunt to kill fast—they hunt to solve you. They learn your reactions, then they dismantle you.”

  Z-69 kept his blade steady. “Strength?”

  “Individually? Around D, maybe C. But the danger is the pack. They coordinate. They bait. They force mistakes.”

  Ten’s hands tightened on the pistol like it was a prayer.

  A second Reaver crept into view—just the faint shift of shadow beyond the barricade.

  Then a third.

  Then the glint of eyes higher in the trees.

  Not charging.

  Not panicking.

  Waiting for the moment they split.

  Z-69’s voice dropped. “They’re holding distance. Watching. That means there’s a leader.”

  Jin’s gaze darted to the canopy. “Or they’re waiting for their Alpha to decide.”

  The Reaver in front of Z-69 withdrew backward—slowly—without turning its back.

  Like a soldier stepping out of range.

  It wasn’t retreat.

  It was repositioning.

  Then the pack moved.

  Not all at once.

  Not like animals.

  They came in layers.

  Two hit the barricade from the front, forci

  ng Z-69’s attention.

  Another darted toward Ten from the side, low and fast, trying to slip under the roots.

  Jin intercepted with a speed burst, but his strike met air—again—because the Reaver had expected him to commit.

  A fourth Reaver leaped from above toward Jin’s landing spot—predicting where he would be after the burst.

  Jin barely twisted away, claw tips slicing through his sleeve and drawing a thin line of blood across his ribs.

  “Bastards.” Jin hissed.

  Ten screamed, “Behind—!”

  Z-69 pivoted and cut.

  The blade connected—clean, decisive.

  This time the Reaver bleed.

  The rest of the pack reacted instantly.

  They didn’t rage.

  They recalibrated.

  The circle widened.

  The spacing changed.

  The angles shifted.

  Their movement patterns altered like a strategy updating.

  Jin’s eyes narrowed. “They just… adapted.”

  Z-69’s tone was flat. “They learned what our blade can do.”

  Ten’s breathing became shallow. “Then… what now?”

  Z-69 kept his stance low. “Now they stop playing.”

  As if on cue, the forest went quieter.

  The pack disappeared into shadow.

  Ten’s hand remained on the ground, trembling.

  “They’re still there. They’re… everywhere. But they’re not moving much.”

  Jin’s voice tightened. “They’re waiting for something.”

  Z-69 felt it.

  A pressure shift.

  A presence in the dark that made the mist cling tighter to the ground.

  Something heavier than the others.

  Something that didn’t need to move fast because everything else moved for it.

  Ten’s face went pale. “There’s… one coming. Big. The ground feels… wrong.”

  Then the Alpha stepped out.

  It didn’t roar right away.

  It simply arrived—a tall silhouette in the darkness, nearly Z-69’s height, wider through the shoulders, exoskeleton thicker, claws longer.

  Its fur was darker, almost matte, as if it absorbed the little light they had.

  Its eyes fixed on Z-69 with something close to recognition.

  Not fear.

  Not curiosity.

  A predator’s certainty.

  Ten couldn’t breathe for a moment.

  His hands shook so badly the pistol’s barrel wobbled.

  Jin swallowed, voice forced casual. “That’s not D-rank.”

  Z-69’s grip tightened on the blade. “No.”

  The Alpha lowered its body, muscles coiling.

  Z-69 stepped forward.

  The Alpha’s lips peeled back over metal-reinforced teeth.

  Z-69 bared his own—an old human gesture, now hollow.

  For a second, both sides held still.

  Then the Alpha attacked.

  It launched in a blur—not Jin’s speed, but something worse: explosive speed, powered by dense muscle and reinforced joints.

  Its claws came down in a cross-slash meant to open Z-69’s chest.

  Z-69 blocked—barely.

  The shock traveled through his arms into his spine.

  Metal and bone complained at once.

  The Alpha followed immediately with a low sweep, trying to take his legs.

  Z-69 jumped—minimal movement—and landed a step back.

  The Alpha didn’t give him space.

  It pressed forward, claws carving the ground, moving with precision that didn’t match its feral appearance.

  Ten shouted, “Left—two more!”

  The pack surged in to capitalize on the Alpha’s pressure.

  Two Reavers attacked Z-69’s flanks, trying to pin his arms while the Alpha went for the kill.

  Jin flickered in, intercepting one, smashing it mid-leap, but the other slipped past him—because it wanted him to commit to the first.

  “Smart.” Jin snarled, “too smart!”

  Z-69 cut the flanker down, but the Alpha was already inside his range.

  A claw struck his shoulder, tearing through dead flesh and catching something harder beneath.

  Z-69 felt the hit as pressure, not pain—yet the damage mattered.

  The blow forced his torso open.

  The Alpha went for his chest crystal.

  Ten screamed. “Z-69!”

  Z-69 twisted just enough that the claw missed the crystal by a fraction—raking across his sternum instead. Sparks jumped from his body. The violet crystal throbbed, angry.

  The Hunger stirred.

  Let me.

  Z-69 shoved it down. Not now.

  He countered with a tight upward slash aimed at the Alpha’s throat.

  The Alpha leaned back, avoiding it by millimeters, and slammed its head forward—skull-first—into Z-69’s face.

  Z-69 staggered.

  His vision darkened at the edges.

  Jin cursed and tried to rush in, but two Reavers immediately intercepted—one from above, one from behind—forcing him to defend instead of assist.

  Ten fired his pistol—wild, shaking shots—more to distract than to kill.

  The energy bolts lit the battlefield in brief strobe flashes, revealing movement like snapshots of a massacre: claws mid-air, jaws open, Jin sliding, Z-69 bracing.

  The Alpha used the flashes.

  It moved only when the light was gone, using darkness like armor.

  Z-69 realized it was timing its strikes with the rhythm of Ten’s panicked firing, turning fear into a metronome.

  “Ten.” Z-69 growled, voice low, “stop shooting.”

  Ten froze. “B-but—”

  “Stop. You’re giving it rhythm.”

  Ten swallowed, then lowered the pistol, breathing hard.

  In the new darkness, the Alpha shifted, uncertain for half a second—its timing disrupted.

  That half-second was all Z-69 got.

  He stepped into the Alpha’s range instead of away, letting its next claw pass by his ribs, accepting the shallow tear in exchange for position.

  He drove the blade toward its torso.

  The Alpha caught his wrist.

  Not with claws.

  With its hand—a brutal grip.

  It twisted.

  Z-69’s wrist joint popped.

  The blade nearly slipped.

  Z-69’s eyes sharpened.

  He let the blade go.

  Jin’s shout cut through the dark. “What the hell are you—”

  Z-69 slammed his other hand into the Alpha’s jaw, fingers hooking under metal reinforcement, and forced its mouth open.

  The Alpha thrashed, but Z-69 leaned in, using his whole body weight.

  Ten understood instantly and screamed, “Jin—NOW!”

  Jin burst through the two Reavers on him with a vicious elbow strike and a knee that caved a construct’s chest.

  He flashed into the gap Z-69 created and drove a strike into the Alpha’s side—fast, precise, right into a seam where exoskeleton met flesh.

  The Alpha howled.

  The pack reacted.

  Three Reavers lunged toward Jin.

  Ten, shaking, threw himself forward and fired a single shot—not at the Reavers, but at the ground near them.

  The bolt exploded into light and heat, forcing them to recoil.

  Ten’s voice broke. “G-go!”

  Z-69 used the opening.

  He yanked the Heaven-Sundering Blade back from where it had fallen—his fingers closing around the hilt as if the weapon had always been part of him—and drove it into the Alpha’s shoulder joint.

  The Alpha shrieked and slammed him down.

  Z-69 hit the ground hard enough to dent it.

  His back split open.

  The crystal in his chest pulsed violently, flooding him with repair energy.

  And with that energy came appetite.

  Eat.

  Z-69 clenched his teeth so hard the sound cracked in his own skull.

  He forced his mind to stay present.

  He looked up.

  The Alpha towered above him, chest heaving, eyes locked on the crystal.

  It raised both claws.

  Z-69 rolled—barely—avoiding the killing cross-slash by a hair.

  The claws struck the ground and dug grooves deep enough to expose glowing root-metal beneath the soil.

  Z-69 pushed to one knee.

  His wristband flashed red.

  His body was repairing, but not fast enough.

  The Alpha wasn’t just strong.

  It was built to kill regenerators: repeated high-impact strikes, targeting the core, not the limbs.

  He needed a finish.

  A clean finish.

  Ten’s voice shook, but it came through: “Its… its center mass vibrates differently. Like there’s a core under the sternum—!”

  Z-69’s eyes narrowed. “Good.”

  He stood fully.

  The Alpha charged again, coming low, trying to ram and lift him—then tear his chest open mid-air.

  Z-69 didn’t dodge.

  He stepped forward, into the collision, and for the first time that night, he let a thin thread of purple electricity bleed into the blade—not a flare, not a storm—just enough to sharpen reality.

  The blade met the Alpha’s charge.

  Metal shrieked.

  Z-69 was pushed backward, heels carving lines in the soil, but he held the angle, redirected the force, and turned the Alpha’s momentum into a downward opening.

  Then he drove the blade in.

  Straight into the Alpha’s chest.

  The moment it pierced, restrained violet lightning surged—not outward, not flashy—inward, into the Alpha’s internal core.

  The Alpha convulsed.

  Its scream wasn’t animal.

  It was mechanical, like a machine learning it could die.

  Z-69 held the blade there, jaw clenched, controlling the flow so it didn’t rebound into his own damaged body.

  The Alpha’s claws went weak.

  Its legs buckled.

  It collapsed, heavy as a wrecked engine.

  Silence hit like an impact.

  The remaining Night Reavers froze.

  They looked at their Alpha.

  Then at Z-69.

  Then, without panic, without rage—they withdrew.

  Not because they were afraid.

  Because they were intelligent enough to understand that continuing meant wasting bodies.

  The forest swallowed them again.

  Ten dropped to the ground like his bones had been cut.

  He laughed once—small, disbelieving—and then it turned into a shaky exhale.

  “We… we survived.”

  Jin leaned against a trunk, breathing hard, eyes wide with the kind of adrenaline that made your hands tremble after you stopped moving. “That was way too close.”

  Z-69 stood over the Alpha’s body, breathing slowly, feeling his torn flesh stitch back together in ugly increments.

  His eyes were still clear.

  But behind his ribs, the Hunger scraped its nails against the cage.

  Food.

  Ten looked at the Alpha, then at Z-69. “It’s… dead, right?”

  Z-69 didn’t answer immediately.

  He knelt.

  The Alpha’s chest was still faintly warm, as if the internal core had been a furnace.

  Z-69 slid the blade carefully and made a controlled cut along the sternum plating, prying it open with practiced efficiency—no theatrics, no wasted motion.

  Not a savage feast.

  A field dressing.

  Jin watched, face tight. “You’re seriously—”

  Z-69 glanced up at him. “We’re in a twelve-hour survival trial. We have no stable food source. No safe water. And the night phase is designed to exhaust us.”

  His tone was simple.

  Matter-of-fact.

  “This is what you do with a kill in the wild.”

  Ten swallowed, but didn’t look away.

  Z-69 reached in and pulled out the Alpha’s energy core. It was a compact organ-like structure, crystalline and dense, pulsing faintly, still holding residual charge.

  He stared at it for half a second.

  Then swallowed it whole.

  Jin gagged on reflex. “That’s disgusting.”

  Z-69 wiped his mouth with the back of his wrist. “Efficient.”

  Almost immediately, warmth spread through Z-69’s limbs.

  The torn tissue along his back tightened and sealed.

  His wristband blinked from red to orange.

  Ten stared. “It… it healed you.”

  “Yes.” Z-69’s voice was quiet. “This is a predator ecosystem. Energy is currency. The Alpha carried more.”

  He looked at the carcass again.

  Then, without ceremony, he began to butcher.

  Not the whole thing.

  Just enough.

  He cut thick strips of meat away from areas that looked less human—avoiding the face, the hands, anything that would turn survival into something Ten couldn’t swallow.

  He worked with a grim practicality, like a soldier carving rations from an enemy in a world that didn’t give second chances.

  Ten’s stomach growled again—betraying him.

  Jin heard it and smirked despite himself. “Kid… you’re starving.”

  “I’m not—” Ten started, then stopped, ashamed.

  Z-69 gathered dry metal leaves and shaped a small pit under the roots, then used a tiny, controlled spark—not bright, not loud—to heat the leaf-veins until they glowed faintly.

  No open flame that could be seen from far away.

  Just a low heat source, hidden.

  A survival fire, not a campfire.

  He laid the meat on the heated leaves.

  The fat sizzled quietly.

  The smell rose—sharp, rich, undeniably real.

  Ten’s throat bobbed.

  Jin turned his face away, still resisting. “It looks too… close to human.”

  Z-69 didn’t argue with him.

  He just kept cooking.

  Minutes passed.

  The forest stayed quiet—too quiet.

  Somewhere out there, the pack was watching, learning.

  But it didn’t attack.

  Not now.

  They’d lost their Alpha.

  They wouldn’t rush blindly.

  They would remember.

  Z-69 handed the first cooked strip to Ten.

  Ten hesitated, eyes wide.

  Z-69’s voice was low, steady. “You fought. You called angles. You helped keep us alive.”

  Ten looked up.

  “That means you eat.”

  Ten’s hands shook, but he took it.

  He took a bite.

  His face twisted, not from taste but from the idea of it—but the heat and protein hit his empty stomach like medicine.

  After a second, the tension in his shoulders loosened.

  Jin watched for a moment, jaw working.

  Then he snatched a strip from the heat source with a curse. “If I die from whatever disease that thing had, I’m haunting you.”

  Z-69 gave a near-invisible smirk. “Noted.”

  They ate in silence.

  Not comfort.

  Not peace.

  Just the quiet of three survivors doing what the Tower demanded of them.

  Somewhere beyond the barricade, faint eyes glimmered between trunks—Night Reavers, watching their fallen Alpha become fuel.

  Ten shivered and whispered, “They’re still there.”

  Z-69 didn’t look up. “Let them watch.”

  Jin swallowed and forced his voice steady. “They’ll come back.”

  “Yes.” Z-69 said.

  He stared into the darkness, feeling the forest breathe around them.

  Ten tightened his grip on the pistol.

  Z-69 lifted the Heaven-Sundering Blade, the faint purple in its edge barely visible.

  They still have a long night ahead.