The camp smelled faintly of smoke and damp stone. After the chaotic reunion, the Order had settled into what passed for rest in the cavern’s shelter - tents pitched between stalagmites, weapons always within reach, voices hushed beneath the steady drip of water.

  Ren sat apart, his old prosthetic braced across his knees. The plating was scratched, one finger joint cracked, the threads inside flickering with uneven light. He flexed it slowly, listening to the tired whine of servos, feeling the tremor that hadn’t been there months ago. It had saved his life more times than he could count. Now it felt like it was one bad hit away from shattering.

  “Ren.”

  He looked up. Leo stood before him, a satchel slung over one shoulder. Exhaustion cut deep lines across the mage’s face, but intent burned through it.

  “Walk with me,” Leo said.

  Ren frowned. “You should be lying down. You’re barely standing.”

  Leo gave a crooked, weary smile. “Probably true. But I didn’t drag this through half a mountain just to wait longer.”

  Despite himself, Ren stood. The prosthetic creaked.

  Leo led him deeper into the cavern, away from campfire shadows, stopping only when the glow of moss and Ren’s own threads were the only light. He knelt and set the satchel before him.

  “I started this back at the base,” Leo murmured, opening the bag with careful fingers. “Half theory, half desperation. I thought… you might need more than what you had. Thought I could make something worthy of the way you fight.”

  Ren raised a brow. “You’ve been tinkering again.”

  “Always.” Leo’s grin flashed briefly.

  He drew something from the satchel.

  A new prosthetic - at least at first glance. But the light glimmered strangely across it: liquid-smooth alloy shaped with organic precision, etched with faint veinlike patterns of gold. Crystal filaments pulsed faintly along the inner plating. Alive. Breathing. Waiting.

  Ren’s breath caught. “Leo…”

  “It’s a seeded lattice,” Leo said quickly, excitement sharpening his voice. “Mana-tuned. Thread-compatible. It can repair itself if it cracks. More importantly - ” he tapped a line of crystalline channels, “ - it’s built for your pattern. Your threads will slot right into it.”

  Ren stepped closer as if pulled. Threads stirred at his fingertips.

  “Precision-thread loom embedded in the frame,” Leo continued. “You’ll be able to weave through it - barriers, nets, fine stuff too. And the conduits amplify your output. It’ll move like it’s yours, because it is.”

  Silence stretched.

  Ren touched the alloy. It shifted faintly under his fingers, a subtle flex - as if reacting to him.

  “You’ve been working on this all this time?” Ren asked quietly.

  Leo shrugged. “Whenever I wasn’t busy shooting lightning or arguing with Sinclair.”

  Ren exhaled. “Leo… people died down there. And you were building this - for me.”

  Leo’s gaze hardened. “Don’t twist it. I didn’t ignore anyone. But I’ve seen what happens when you’re running on fumes. I’ve seen you bleed yourself dry trying to keep everyone else breathing. If you fall, half of them fall with you. I refuse to let that happen.”

  The words hit hard. Too honest.

  Ren looked back at the arm - beautiful, dangerous, alive. Finally: “Help me put it on.”

  Leo’s smile warmed. “Gladly.”

  The fitting was delicate. Leo unclasped the battered old prosthetic, then guided the new one into place. The alloy flowed to meet scarred skin. A sting - then warmth, spreading like his mana had found a second heartbeat.

  Golden threads flared. Crystal veins lit in response, glowing in slow rhythmic pulses.

  Ren flexed. The fingers moved smoothly, effortlessly. His threads sank into the lattice, weaving patterns with a precision he’d never known.

  It felt like something he’d been missing without realizing it.

  He stared at Leo, stunned. “This… I don’t have words.”

  Leo’s grin was tired but triumphant. “Good thing I do. Make it worth the blood I spent on it.”

  Ren looked down at the arm. The faint glow from its veins matched his own threads - a shared hum of power. For the first time since the collapse, since the swarm, since the dark closed in around them - he felt something like hope.

  Perrin was not having a good day.

  One moment he’d been with the others; the next, the ground split under him like a hungry mouth. He tumbled into a fissure, battered and bleeding. When he finally stood, alone in the darkness, he thought maybe luck had spared him.

  Luck does not whisper.

  The whisper seeped through stone and soil - soft, wet, curling through the edges of his mind. Rest. No more running.

  The air was thick. Too thick. Sweet with something rotten. His stomach twisted. When he spat, pale threads clung to the stone.

  He pressed forward blindly. The whispers pressed back.

  Fungal growths coated the walls - pale, luminous, trailing thin filaments that swayed in air that did not move. When one brushed his arm, it latched on.

  He tore it free. A patch of skin came with it.

  Time broke apart after that. Hours or days - he couldn’t tell. He staggered through the caverns until at last he saw torchlight in the distance. The outpost. Home.

  He hid his hands in his cloak. Fingers blistered and fused. Nails blackened into hooked roots. His left eye twitched uncontrollably, threaded with pale fibers. Still, he walked. Still, he smiled.

  Merida stood near the gate, flour on her apron, worry in her eyes.

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  “Perrin?” she breathed. “Gods - what happened to you?”

  Her voice cut through the haze like sun through fog. For a heartbeat, the whispers dimmed. He tried to speak - help me - but when he opened his mouth, threads poured out.

  Merida stepped back, horror dawning. The hunger surged.

  The tavern smelled of yeast and warm wood. Perrin’s boots left streaks of pale residue on the floor. Merida scrambled for the iron poker.

  “Stay away,” she whispered. “Perrin - please - stay back.”

  He tried. Something inside him didn’t. His legs moved on strings he couldn’t cut.

  “No more loneliness,” his warped voice crooned, two tones overlapping. “No more pain. We will make you whole.”

  His ribs bulged. Skin split in hairline seams. Threads wriggled like eager roots.

  Merida swung the poker. It cracked against his skull, releasing a cloud of spores. She coughed, choking, eyes streaming. Already she could feel them crawling.

  Perrin caught her wrist gently. He wept as he pulled her close. Not tears - thick, spore-laced fluid.

  Her screams weakened. Then rasped. Then stopped.

  Hours later, when the tavern door creaked open, the hearth still glowed.

  Two figures sat beside it: Perrin and Merida. Hands intertwined. Breathing in the same uncanny rhythm. Smiling too widely.

  The whispers spoke through both mouths.

  “Home. Yes. Let them return. We will be waiting.”

  _________________________________________________________________________

  The air changed before the tunnel did.

  Ren tasted it first: copper and something damp, like rot steeped too long in stagnant water. His tongue prickled, Threads twitching against the sensation even before recognition hit. The others slowed with him, boots scraping stone, torchlight guttering as if reluctant to proceed.

  Then the walls began to move.

  Not crumble. Not shift. Move.

  The gray stone bled into something slicker - glossy where torchlight struck. Veins, pale blue and throbbing, crawled along the surface. Each pulse tremored beneath their feet, as though the tunnel itself had a heartbeat.

  The stone was alive.

  Fleshy ridges pulsed in rhythm, moisture beading across them. The ceiling bulged, spasming like lungs trying to remember how to exhale.

  Drake whispered, “That’s no cave.”

  “No,” Sinclair murmured, voice gone grim. He prodded the wall with his spear’s edge, jerking back when it twitched. “This is a nest.”

  Young initiates froze, huddling closer. Even the torchlight seemed weaker, swallowed by the sheen of fleshstone.

  Ren’s prosthetic arm prickled with vibration, reacting before he did. The adaptive plates flexed, golden light pulsing faintly in time with his heartbeat. He clenched the hand into a fist.

  “Eyes up,” Sinclair barked, cutting through the growing dread. “If it’s a nest, we’re not alone.”

  Too late.

  The walls split open.

  Wet seams tore apart as creatures spilled out - things almost like rats, almost like men. Half-melted faces, limbs stretched too long, spines bending in unnatural arcs. They clawed free of the living stone, shrieking as if birth itself flayed them raw. Slick bodies twitched, then snapped toward the intruders with jagged bone teeth.

  “Formation!” Drake thundered, shoving a younger member behind him. His shield slammed down with practiced force. “Circle!”

  The initiates scrambled, breaths hitching, their line shaky and full of gaps.

  More creatures dragged themselves from the walls and ceiling. Some skittered on all fours, others tottered upright like broken marionettes.

  Sinclair’s voice cut through the chaos. “It’s a hive. This is where they’re made.”

  Ren’s stomach twisted. Abominations. Manufactured. Grown.

  The first wave lunged.

  Steel met flesh.

  Sinclair fought with ruthless precision - no wasted motion, every thrust hitting something vital. Drake anchored the line, shield absorbing impact after impact while his mace caved in skulls with wet cracks.

  The younger ones screamed but fought anyway, blades shaky.

  Ren didn’t think. The gap near him widened. He stepped forward.

  A creature leapt.

  He caught it mid-air.

  The prosthetic lit up with golden veins as he crushed bone in his grip. With a roar, he slammed it into the ground hard enough to fracture stone. Another creature lunged; Ren’s arm shifted, plates sliding into a hooked claw. He raked through flesh like it was cloth, splitting it open.

  The initiates behind him stared.

  “Don’t look at me!” he snapped. “Fight!”

  They jolted into motion.

  But the creatures kept coming - endless, pulling themselves out of walls like pus from a wound. Ren’s arm throbbed with heat, golden threads straining, pushing harder than ever before.

  Leo stumbled to Ren’s side, pale and shaking, runes flickering around his hand. He thrust forward; a line of force ripped through three creatures, turning them to slurry. The spell sputtered out instantly.

  “That’s it,” Leo rasped. “I’m dry.”

  “Then pick up a blade,” Ren said tightly. “And stay close.”

  The ground trembled.

  At the far end, the fleshstone bulged outward and tore like wet paper.

  Something massive crawled free.

  Horse-sized, but constantly shifting - limbs bubbling into existence, reabsorbed moments later. Its head was a swollen mass of teeth and tendrils dripping ichor.

  Sinclair’s jaw set. “Spawn pit guardian.”

  Drake spat blood. “Then we kill it.”

  The guardian shrieked. Lesser creatures halted, then charged in a single mindless surge, forming a living shield.

  The formation buckled. Initiates stumbled. Drake roared, holding the line by sheer will. Sinclair darted between collapsing gaps.

  The guardian loomed, slavering maw widening.

  Ren felt the golden threads inside him pull taut - begging to be unleashed. His arm burned, metal and mana fusing deeper into muscle.

  He stepped forward.

  Then he charged.

  He tore through the swarm, flinging bodies aside, dagger flashing in his free hand. The prosthetic hardened mid-strike, adapting to his momentum, meeting tendrils and bone with equal ferocity.

  The guardian lashed out. A tendril wrapped around his ribs, squeezing. Another snapped for his throat.

  Ren caught it, Threads blazing. His dagger sliced through the tendon like butter. He staggered free, then drove his fist into its mass.

  The impact detonated flesh.

  But the creature reformed instantly, tendrils knitting with wet snaps.

  “Ren!” Sinclair shouted. “The pit! Kill the pit!”

  Ren’s gaze snapped to the wall behind the guardian - the bulging fleshy sac it had crawled from. Embryos pulsed inside like half-formed nightmares.

  If the pit lived, the hive lived.

  Ren gritted his teeth. “Leo!”

  Leo stumbled forward. “What?”

  “Burn it.”

  Leo hesitated only a heartbeat before nodding. He drew the last of his mana, forcing it into a shaky orb. His hands trembled, veins standing out as he held it stable.

  Ren tore through the guardian’s limbs, carving a path inch by brutal inch. He planted himself before the pit, Threads blazing hot.

  “Now!”

  Leo hurled the orb.

  Flame engulfed the pit. Embryos burst in waves of steam and ichor, screaming without voices. The guardian shrieked too, body convulsing as if its soul was tethered to the pit.

  Ren bellowed and struck with everything he had. His arm plunged deep, golden Threads carving through the heart of the creature.

  With a sickening crack, the guardian split open and collapsed in a quivering heap.

  Silence drowned the chamber.

  Only the hiss of burning fleshstone and ragged breaths remained.

  Walls sagged, shivering, dying alongside the pit. One by one, the lesser creatures slumped lifeless.

  Ren swayed, arm smoking, golden light fading to a trembling glow. His fingers barely obeyed him.

  But they had survived.

  Sinclair lowered his spear, expression shadowed. “This wasn’t a natural hive. Someone made it.”

  Drake wiped ichor from his shield. “Let’s hope this was just a prototype.”

  Ren stared at the smoldering pit, bile rising.

  If this was just the beginning…

  Then they were nowhere near ready.