It didn’t charge, it measured him.

  The spark-scratch came again.

  Close.

  Glass on stone, clean as a knife being tested.

  Isaac held still for one breath, not because he was brave, because moving first meant giving it a direction to punish.

  Rain hissed.

  Seam hissed.

  Everything else waited.

  His wings tightened at his back.

  Plates clicked once, small and sharp, the kind of sound that felt like it travelled farther than it should.

  He hated that.

  He eased his weight onto his front foot, careful.

  Mud tried to swallow his boot.

  He pulled free slow, keeping his shoulders square to the pocket entrance.

  The tracks were still there, fanned like writing.

  The new hook marks sat closer than before, placed at the mouth of his shelter like a signature.

  Isaac didn’t hunt the creature.

  He hunted angles.

  Left: the terrace base, half-sunk stone, a hard edge he could use.

  Right: root snarls and a shallow dip in the mud, not deep enough to hide anything, deep enough to trip him.

  Ahead: the seam-mist column, pale-blue edges, a straight leak in the storm.

  Behind: the pocket, a bad retreat. Tight. Loud. Wings would snag. He would die trying to turn around inside it.

  He swallowed.

  Move.

  He stepped away from the pocket, terrace base at his left shoulder, giving himself one side he didn’t have to defend.

  The seam-mist pulsed.

  The rain changed on the ground first, a straight wet-to-dull seam in the mud, like the storm refused to cross it.

  His ears popped as he brushed the Breathmark line.

  Clean metal flooded his mouth.

  The hum in the stone behind him snapped into alignment, like the world had found a note and decided his bones were going to hold it.

  He stepped back half a pace.

  Relief.

  Pressure softened.

  Metal taste dulled.

  Hum loosened.

  The rule held.

  Cross the invisible edge, the world pressed back.

  Step off it, the world let go.

  A bright bead in the dark.

  Useable.

  Another spark-scratch.

  Right side.

  Closer than it should be, like the sound slid across distance wrong.

  Isaac turned his head without turning his shoulders.

  Nothing.

  Just rain threading through thornwood.

  Mud shining black.

  Scar-lines in the ground like old cuts that never healed.

  Then the mud moved.

  Not a splash.

  A careful shift.

  A low shape rose from the dip, compact and crouched, built like a climber.

  Ink-black hide, wet and slick.

  Four tails unfolded behind it in a fan, jointed like segmented reeds.

  Each tail ended in a translucent hook that caught faint light even without lightning.

  It didn’t rush.

  It posted up.

  It angled its body slightly, as if it was solving where Isaac would be in two seconds.

  Isaac’s throat went tight.

  It watched him.

  Amber eyes, small and bright, set in black like beads pressed into tar.

  One tail flicked high.

  Another twitched low.

  Two held still, waiting.

  A geometry problem, written in flesh.

  It was close enough now that Isaac could see how it didn’t waste motion.

  How it kept the dip at its back and the roots to one side, like it had chosen this patch of mud on purpose.

  How the seam-mist column sat ahead of them like a line neither of them wanted to cross first.

  How the terrace base at Isaac’s left was the only solid thing that didn’t shift when the rain hit.

  If he lost that stone, he lost his wall.

  Isaac lifted his hands.

  His nails looked too dark, too sharp, but they were all he had.

  His wings shifted behind him, plates clicking softly as they found a braced position.

  The creature’s head tilted.

  Its mouth opened sideways.

  Left. Right.

  Glass plates stacked inside, milky in the grey light.

  It flexed them once and a faint colour shimmer ran through them, like a bruise under glass.

  Then it closed its jaw again, as if it had only shown him what the finish looked like.

  Isaac took a slow step back toward the terrace base.

  Stolen novel; please report.

  The creature mirrored him without moving forward, tails adjusting, hooks hovering at different heights.

  It wanted him to turn.

  It wanted his blind side.

  His body understood that much.

  He refused to give it.

  He flared one wing.

  Not fully, just enough.

  Crystal plates slid outward with a soft clack and a scrape as they cleared his shoulder.

  The wing became a wall on his right side, a jagged black arc that occupied air.

  The creature’s tails hesitated.

  Good.

  Isaac folded the other wing forward.

  A shield.

  Plates overlapped, tight and angled, forming a barricade over his chest and head.

  Rain beaded and ran in black ribbons off the crystal edges.

  He felt the weight settle into his stance.

  Door.

  Shield.

  Wall.

  His shoulders burned.

  The creature shifted.

  Two tails feinted high.

  One snapped low.

  The fourth did nothing.

  It waited.

  Isaac saw the trap in the timing.

  If he dodged high, the low hook would catch his ankle.

  If he jumped back, the waiting tail would punish the landing.

  If he ran, the jaw would finish.

  He advanced instead.

  One step.

  Mud sucked.

  He pulled free steady, keeping the wing-shield between his face and the hooks.

  The first tail struck.

  A whip crack of motion.

  A translucent hook slammed into his shield wing.

  It didn’t sink.

  It skittered.

  A sharp spark-scratch as glass met crystal.

  The hook bounced off with a shiver, and for half a blink it flashed storm-colour, crimson to teal, like impact refracted light that wasn’t there.

  Isaac felt the hit anyway.

  Not pain.

  Force.

  His shoulder jolted.

  The plates took it.

  Shock ran into his bones.

  A second tail hit high.

  Skitter.

  Spark.

  Wrong contact.

  The creature hissed, low, like air pushed through a wet crack.

  Isaac kept moving.

  He turned his body a fraction, just enough to keep the wall wing blocking the side angle.

  No more.

  He refused to expose the underside.

  The third tail snapped low.

  Isaac stepped into it instead of away.

  The hook glanced off the shin-guard line of crystal plates that flared down with the shield wing, clipped the edge, and slid through mud.

  A plate chipped.

  A small black shard popped loose and skipped across stone with a tick-tick sound.

  Isaac’s stomach dropped.

  The cost.

  He couldn’t block forever.

  Every hit took something.

  The fourth tail moved.

  Not a strike.

  A placement.

  It threaded behind a root snarl, silent, lining up the angle that would catch him if he turned toward the terrace base.

  Smart.

  Isaac saw it.

  He hated that he could see it.

  It meant it could see him too.

  Lightning tore the clouds.

  The world turned silver.

  The creature’s hide bloomed with colour like oil under cathedral light, cobalt, magenta, emerald sliding across its back.

  Its jaw opened sideways and the glass plates flared in full stained-glass brilliance, throwing bands of colour across the mud.

  The tail hooks flashed like sharpened candy glass.

  Beautiful.

  For exactly the second it wanted him dead.

  Then the lightning vanished.

  Rain ate the colour.

  Thunder should have followed.

  Echo came first, rolling up from somewhere wrong.

  Then thunder arrived late and heavy, like the sky remembered the order and resented being corrected.

  Isaac’s teeth ached at the timing.

  The creature committed.

  All four tails struck in sequence.

  Two high feints.

  One low snap.

  One waiting hook punishing the space between.

  Isaac braced behind the shield wing and took the high hits on crystal.

  Skitter.

  Spark.

  Plate click.

  He shifted the wall wing a fraction to catch the waiting hook.

  Skitter again.

  A plate cracked.

  He felt it.

  Not the crystal, the load change.

  A small give in the structure, like a tooth loosening.

  The low hook clipped under the shield wing and grazed his thigh.

  Pain flared hot and fast.

  Not deep, but enough to make his leg twitch.

  The creature saw it.

  It moved then.

  Not a charge.

  A step, fast and low, closing distance while his reflex tried to turn him.

  It opened its jaw sideways.

  The glass plates inside flexed and flashed, and Isaac understood the finisher.

  Bite.

  Tear.

  Done.

  And then it didn’t take it.

  Half a beat of stillness, jaw open, tails holding their angles.

  Not mercy, measurement, a cold recalculation to slide for his underside instead of his throat.

  Isaac slammed the shield wing down in front of him.

  Crystal met glass.

  A sound like a chime shattered and swallowed.

  The impact threw him back half a step.

  A plate sheared off his wing with a harsh crack and vanished into mud.

  Cold rain hit something it hadn’t touched before.

  Exposed wing skin near the root.

  Pain detonated up his spine.

  Not like a cut.

  Like ripping a nerve out into the rain.

  Isaac made a sound he didn’t recognise and shoved forward anyway.

  He couldn’t afford a long trade.

  He couldn’t afford another bite lane.

  He closed distance.

  His nails raked for purchase on the creature’s shoulder as his shield wing jammed into its face, forcing the jaw sideways, forcing plates to grind.

  The tails whipped again, hooks searching for his flank.

  Isaac used the terrace base.

  He drove the creature sideways into the stone edge.

  Mud splashed.

  Tail hooks struck stone and sparked.

  The creature tried to climb the terrace base to re-angle.

  Isaac denied it.

  He shoved his wall wing into its side, taking away the climb lane.

  Crystal plates scraped stone with a low shear sound that buzzed through his shoulder joints.

  It hissed again, louder, wet.

  He saw a gap.

  Not in its hide.

  In its timing.

  The tails were the trap.

  The jaw was the finish.

  So he went for the tails.

  He stepped into the fan and grabbed one tail near the joint.

  His hand closed around wet segmented reed.

  The hook at the end flicked toward his face.

  He jerked the tail down hard.

  The hook struck his shield wing instead.

  Skitter.

  Spark.

  A plate chipped again.

  He didn’t let go.

  He yanked.

  The tail joint popped with a wet crack.

  The hook flashed colour for a blink, then dulled as if whatever stormlight lived inside it went out.

  The creature screeched.

  High and wrong, like glass dragged across bone.

  Its jaw snapped sideways at him.

  Isaac rammed the shield wing into it again and shoved his shoulder behind it.

  Pain from the exposed wing skin made his vision go white at the edges.

  He shoved anyway.

  He shoved until the creature’s jaw plates ground and slipped.

  His nails found the seam where glass plates met black tissue.

  He dug in and ripped.

  The texture was wrong, too slick, too fibrous, crystal grit under skin.

  He tore hard.

  The creature convulsed.

  Its tails lashed, but the angles were collapsing now.

  One tail missing.

  The fan pattern broken.

  Isaac kept pressure.

  He drove it into the root snarl and pinned it there, wedged between stone and wood where it couldn’t pivot.

  Then he ended it.

  He ripped the torn tail segment free and slammed the broken hook into the side-split jaw hinge, jamming it.

  The creature’s amber eyes widened.

  The glass plates inside its mouth flared once, violent colour blooming in the rain.

  Then the colour drained.

  Milky.

  Dull.

  Its body went heavy.

  Tails sagged.

  One last twitch.

  Then still.

  Isaac stood over it, shaking.

  Rain ran off his face, off his wings, off the creature’s ink-black hide.

  His hands hurt.

  His thigh burned where the hook had grazed him.

  His back screamed from the exposed wing skin, every raindrop a needle.

  His wings trembled under their own weight, plates still braced, as if they hadn’t gotten the message the fight was over.

  His teeth buzzed, not from fear, from the wrong thunder order still sitting in the air.

  He forced his hands open and closed once, counting what still worked.

  Fingers.

  Grip.

  Shoulders.

  One step without falling.

  Alive.

  Still here.

  He backed away a step and nearly slipped.

  He caught himself on the terrace base, nails biting stone.

  He looked at his wings.

  A patch was bare now.

  Jagged edges of crystal plates framed it like broken armour, and beneath, the wing skin looked too human for the violence that lived around it.

  He swallowed.

  He crouched and worked fast.

  No ceremony.

  No victory.

  Practical.

  He ripped a strip of cloth from his sleeve and tied it around his thigh where the graze had opened.

  The blood wasn’t pouring, but it was real.

  He pressed mud over the exposed wing skin first, because it was the only thing he had.

  Cold mud.

  Bad idea.

  Better than rain.

  He winced and forced it anyway.

  Then he turned to the Jawglass.

  He didn’t want to touch it.

  His plates ticked once as he reached, a small warning in his shoulders that he ignored.

  He did anyway.

  He found a dense gland under the rib line, warm and heavy, like a stone that pulsed faintly with the seam’s rhythm.

  He cut it free with his nails and pocketed it.

  He snapped off a chipped glass jaw plate, careful.

  It buzzed faintly against his fingertips, the same wrongness pull as the shard he’d found before.

  He pocketed it too.

  He scraped crystal grit from under torn black tissue and smeared it onto cloth, bundling it tight.

  Tangible.

  Useful.

  Progress without speeches.

  He stood.

  The seam-mist column still hissed.

  Pale-blue edges.

  Steady pulse.

  His ears popped when he drifted too close to the boundary, then eased when he stepped back.

  The Breathmark line held.

  Even after blood.

  Even after damage.

  The world still had rules.

  His wing roots burned.

  Heat surged along the boundary where crystal met skin.

  Under his collarbone, the bruised black-vein pattern sharpened, lines tightening into something ringed, fractured, almost like a halo broken into segments.

  A mark.

  His.

  It flared, not light, heat, pressure behind his eyes.

  Then cooled.

  Isaac swallowed, breathing slow through his nose.

  The clean-metal taste sharpened and for a heartbeat copper slid under it, like blood on a coin.

  His stomach rolled.

  He forced it down.

  Thunder rolled.

  Late.

  Then the same roar arrived again, doubled, out of order, like the land answered before the sky finished speaking.

  Isaac went still.

  He listened past the storm.

  Past the seam hiss.

  Something else threaded through it.

  A bell note, far away, swallowed by rain.

  Not loud.

  Steady.

  Human.

  Then a second sound, closer than the bell.

  A voice.

  A shout, blurred by distance, but it broke in a human rhythm, three quick calls that bounced off the terrace base like open air instead of cave.

  He couldn’t make out words.

  He didn’t need them.

  People.

  Out here.

  Moving.

  His feet tried to angle inward, toward the Core, toward the centre, toward that scar he only saw in lightning.

  His stomach dropped again, not the Breathmark this time, the pull that lived under everything.

  He clenched his jaw and forced himself to turn toward the human sound instead.

  One step.

  Pain from his wing skin flared through the mud pack.

  Another step.

  The world’s pull argued, quiet and constant.

  He argued back with his body.

  A child screamed in the storm.

  Sharp.

  Close enough that Isaac’s spine went cold.

  He didn’t think.

  He moved.