The worst part of Kest’s accusation was that I could not dispute a word of it.

“Yes,” I said.

Her good wing remained spread between Tallow and me. The membrane quivered with exhaustion, but she held it rigid.

“Yes, you marked it?”

“Yes, the Guild found you because of me.”

The admission settled into the round chamber. Tallow’s horn dipped. Even Greymarrow withdrew to a faint pressure beneath the floor.

Kest’s yellow eyes narrowed. “What did the mark mean?”

I could have told her about the six-minute inspection schedule. I could have explained that Greymarrow’s east roost had been listed as stripped, that the upper vent was too narrow for an adult rubblewing, or that I had been working from a fraudulent salvage map.

All of it was true. None of it answered her question.

“Cleared habitat,” I said. “No protected residents. Safe to enter for salvage.”

“You saw the claw marks.”

“I did.”

“You heard me behind the wall.”

I remembered the faint scraping I had classified as vermin activity because the alternative required stopping the survey.

“I heard something.”

“You heard me.”

“Yes.”

“I lived in that roost for two winters,” she said. “When delvers came, Greymarrow sealed the stone door and I used the upper vent. We thought the Guild had forgotten it.”

It had. Until my white chalk told the salvage crews the chamber was accessible, empty, and worth reopening. A small mark made in seconds had crossed the distance between my clipboard and Kest’s wing.

Kest folded her wing with a sharp wince. “Then don’t tell me you didn’t know.”

“I won’t.”

Tallow stepped between us and pressed one hand to Kest’s foreleg. With the other, he pointed at the split in my board. His horn brightened as though evidence could settle the matter.

“He rescued me,” Kest said. “That does not change who put me in reach.”

“She’s right.”

Tallow looked from her to me, deeply dissatisfied with both answers.

A cold rhythm shifted at the edge of my awareness.

The Guild collection receiver had stopped moving away.

It turned.

“We have another problem.”

Kest gave me a flat look. “You appear to collect those.”

Beyond the resident passage, metal struck stone. The workers had raised the inspection shutter and found the maintenance panel. Muffled voices entered through the narrow route we had used.

“Blood on this edge,” the chain man said. “It went through here.”

Ressa Thorn answered from farther back. “The passage isn’t on the reclamation plan.”

“Then the appraiser missed another thing.”

His pry bar bit into the panel.

Kest’s damaged wing had left a dark line across the stone behind us. The trail ended in this chamber.

I pressed my keyplate to the floor. “Greymarrow, can this room close?”

The dungeon responded with a cold image: the circular chamber rotating inside a fixed ring, stone teeth meeting until its entrance became an unbroken wall. An old refuge room, built to disappear when travelers or delvers made the main passages unsafe.

Then the image fractured around one missing piece.

Lock broken.

“Show me.”

Blue light traced a shallow groove around the floor. It led beneath the nearest wickstone lamp, crossed the chamber, and ended at a waist-high block beside the entrance. I scraped toward it and touched the block.

The mechanism unfolded through pressure. The chamber rested on a buried turntable. A release pawl held it open; a counterweight would rotate it closed. The system was almost intact, but one bronze tooth had been torn from the locking ratchet. Closing the room without replacing it would leave several tons of stone free to roll back open.

It was not a trap chamber. The release could be reached only from inside, the counterweight was deliberately slow, and narrow vents remained open after the entrance vanished. Greymarrow’s builders had expected frightened residents to use it without crushing themselves. The distinction was visible in every worn edge. Safety left different marks than captivity.

The Guild workers struck the panel again.

Dust jumped from the entrance.

“Can you repair it?” Kest asked.

“Yes.”

“You answered too quickly.”

“I know what it needs. That is not the same as liking the price.”

Only one object in the chamber had the right alloy and curve: the flame regulator inside the lamp Tallow had awakened. Its crescent shutter controlled air around the wickstone. Heat-worked bronze, spring-hardened along one edge, and almost exactly the width of the missing ratchet tooth.

Removing it would destroy the chamber’s only reliable light.

Tallow followed my attention. Both hands closed around the lamp’s base.

“If we leave the lamp intact,” I said, “the door cannot lock.”

The horn on his brow bent toward the small amber flame. He had restored it minutes ago. For a light-keeper, the lamp was more than salvage.

The collection rhythm drew nearer. The receiver entered the inspection bay.

Kest lowered herself beside Tallow. “Little spark.”

He looked at her.

“A dark room is better than a bright cage.”

Tallow shut his eyes and pressed his horn to the wickstone.

The amber light went out.

His horn became the chamber’s only glow.

“I’ll replace it,” I promised.

Tallow pointed a stern finger at my keyplate.

“With something better.”

That earned one reluctant tok.

The regulator sat behind a slotted brass cover. My fibers could reach the screws, but they had fused into the stone with age. Tallow heated the first until green corrosion smoked. I caught the screw head between two fibers and twisted.

The screw moved half a turn.

Kest hooked one black claw into its slot. “Again.”

Tallow heated. She turned. I pulled.

The first screw came free. The second snapped at its neck, but the cover bent far enough for Kest to tear it away. Inside, the crescent shutter rested around a dead wickstone no larger than a thumbnail.

I touched the bronze and inspected its grain. The outer edge had been hardened; the inner curve remained soft enough to reshape. Bend from the wrong side and it would split along the boundary.

“We have one attempt,” I said.

“Then stop talking like there might be two.” Kest gripped the soft edge in both foreclaws.

I wedged the hardened edge beneath my lower rim and lowered my lid onto it. Stored Tension gathered through my hinge, but I held the pressure instead of releasing it. Kest pulled while Tallow warmed the center.

The crescent slowly straightened.

My damaged strap shifted. The cracked cedar beneath it ground open another fraction.

“Enough,” I said.

Kest released the bronze. The new tooth was rough, slightly crooked, and unlikely to satisfy its original maker.

It would hold.

The panel in the passage tore free.

Lantern light appeared around the first bend.

“Where does this go?” the chain man asked.

“Nowhere shown on the plan,” Ressa said.

“You already mentioned that.”

The receiver’s cold rhythm approached with them.

I pushed the replacement tooth into a slot beneath the locking block. It stopped short. Mineral scale filled the final quarter inch.

Tallow dropped beside it and applied his horn. His flame thinned from amber to blue.

Kest moved toward the wall above the entrance. “What do you need?”

I pressed my base to the floor, reading the counterweight line. “There is a release lever behind the third lamp niche. High on the left.”

“Of course it’s high.”

She climbed using three limbs, keeping the injured wing tight to her body. Her claws found gaps invisible from below. At the third niche, she drove one foreclaw into the seam.

“Found it.”

“Do not pull yet.”

“You are not improving my opinion of appraisers.”

“The mechanism weighs more than all three of us. I would prefer it wait until the lock exists.”

The bronze tooth sank another inch under Tallow’s heat. I closed my lid against it and pushed. Stored Tension built through the already damaged board. Wax peeled from the split in warm strings.

The tooth slid home.

“Now.”

Kest pulled the release.

Nothing moved.

The counterweight chain had seized inside the wall.

Bootsteps entered the resident passage.

The receiver’s pulse became strong enough to feel in every band.

“There’s a chamber ahead,” the chain man said.

Ressa’s lantern threw a pale line across the far edge of our entrance.

I pressed my lid beneath the locking block and charged Stored Tension. The block resisted. The buried linkage trembled but remained fixed.

“Again,” I told Kest.

She yanked the lever. Tallow abandoned the tooth and ran to the floor groove. He pressed his horn against the point where the counterweight line vanished into stone.

Heat entered the old grease.

I released a shallow burst.

The block jumped.

Deep beneath us, a chain dropped one link.

The entire room moved.

The entrance slid sideways. Kest clung to the wall. Tallow fell, rolled, and caught one of my straps. Stone groaned around us as the chamber rotated inside its ring.

The chain man reached the entrance first. His lantern showed a wedge of his face and the pry bar raised in his hand.

“There!”

He lunged through the narrowing gap.

I planted my base against the floor groove and released everything still stored in my hinge.

The burst drove the locking block down. The bronze tooth struck the ratchet.

It bent.

For an instant, I felt its softened inner grain beginning to fold.

Then the hardened edge caught.

The chamber completed its turn. Stone closed across the man’s path, shearing the tip from his pry bar. It struck the floor beside me and rang once in the darkness.

The Guild receiver passed within several feet of my body.

Kest, Tallow, and I remained still.

Through the wall came the chain man’s muffled curse.

“It was here.”

Ressa answered, “That is a foundation wall.”

“I saw a room.”

“You saw moving stone in an unstable dungeon after forcing an undocumented mechanism. Strike that wall and you can explain the tollhouse collapse to Provost Veyr yourself.”

Silence followed.

The receiver stayed close long enough for the cold rhythm to become painful. Then it began to retreat.

Only when the pulse weakened did Tallow rekindle the tip of his horn.

The bronze tooth held in the ratchet. The entrance had become a continuous wall broken only by a seam fine enough to catch dust. The lamp remained dead, its cover torn open and its regulator gone.

One restored function. One destroyed function. A balance sheet Greymarrow could afford, but not often.

Pale lettering appeared across my sight.

[DUNGEON FUNCTION RESTORED]

Resident Refuge: Operational — Limited

Shelter recognized: 3

Warmth traveled through the floor. Greymarrow’s presence gathered around us, weak but unmistakably satisfied.

Safe. Chosen.

A thin blue line awakened inside the circular floor groove. Mineral shutters opened over three ventilation holes near the ceiling, admitting cool air without revealing light. Empty sleeping niches unfolded from the wall with slow stone clicks. The refuge was still dark and bare, but it had changed from a forgotten room into a place meant to keep someone alive.

Three someones, according to the System.

Kest climbed down. Her injured wing trembled, and fresh blood darkened the stone-grey down around its joint. She stopped beside my bent strap.

“Why did you come for me?” she asked.

“Because you were in a cage.”

“That answer is too clean.”

She was learning my professional habits quickly.

“Because leaving you would have been easier,” I said. “Easy was how I marked your door.”

Kest studied me for a long moment.

“That does not earn forgiveness.”

“No.”

“Or trust.”

“No.”

She placed one claw beneath my loosened iron strap and forced it back over the cracked board. Pain tightened through my grain, followed by the relief of pressure properly distributed.

“It earns time,” she said. “Do not waste it.”

Tallow hurried between us and pressed warm wax beneath the strap before either of us could object. His horn made both patches shine.

Greymarrow pulsed approval through the refuge floor.

The outside receiver continued toward the tollhouse. As its cold rhythm faded, weaker beats emerged beneath it.

Not one.

Three.

I turned my attention downward. The signals came from deep inside Greymarrow, beyond the reach of the restored vein. Two remained close together. The third shifted slowly west, stopped, then moved again.

“Kest,” I said. “Who lives beneath the western burrows?”

Her claws tightened on my strap.

“Marda,” she said. “She was hiding the little ones there.”

Greymarrow tried to reach them. Blue light crawled across the refuge floor and died at the western wall.

Broken. Cannot see.

The three cold signals continued pulsing in the dark.

The Guild had not merely found Kest.

It had tagged the children too.