The heavy blast doors of the Sub-Node receded with the deep, hollow thump of unsealed pressure.

  I stood in the doorway, my chest heaving, the icy residue of the Echoes still clinging to my bones like a physical weight. The elevator shaft yawned before me—a vertical throat of darkness.

  Then, the darkness shifted.

  A massive, stone-and-iron shape rose from the gloom. The rhythmic, hydraulic breath of the lift filled the quiet corridor as Rook emerged. He was battered, dripping with black sludge from the Waterworks, but his chassis remained structurally sound. His single, glowing sensor eye scanned the room with a frantic, staccato rhythm.

  When he saw me, the crimson glow cycled instantly to a calm, deep sapphire.

  “MAKER,” he rumbled, the bass frequency vibrating through the marrow of my teeth. “RESONANCE… RESTORED.”

  He stepped out, the ground groaning under his two-ton weight. He moved with the heavy, comforting gravity of a planetoid, placing his bulk between me and the open room to re-establish his orbit.

  The Resonance Flow hit me.

  It was a physical jolt of equalizing pressure. The cold, hollow ache in my marrow vanished, replaced by a deep furnace-warmth radiating from Rook’s core. My internal reserves surged as I acted as the overflow valve for his massive fusion furnace. The loneliness of the last hour evaporated, anchored by the weight of the Pack.

  “Good to see you, big guy,” I whispered, patting the cold iron of his forearm. “I missed the heat.”

  Rook looked down, his heavy stone manipulators gently brushing the Vanguard-Gilt Mantle on my shoulders, performing a tactile check of my armor’s integrity.

  “PACK… TOGETHER.”

  “Yeah. Together.” I turned back toward the district. “We have a delivery to make. The Archives are this way.”

  We moved deeper into the district. The architecture was a masterpiece of the Old World—soaring arches of white stone and fountains of gold filigree. But the air smelled of stagnant spirit-oil, and the fountains were dry conduits.

  A figure draped in tattered noble silk stood by a dry basin in the center of a small plaza. Translucent and flickering like a candle in a violent draft, the man glowed with a sickly, chemical blue light.

  He was screaming. His jaw was unhinged, his head thrown back, hands clawing at his face in a silent, agonizing loop. The air refused to carry the vibration of his agony. Suddenly, he shattered into a cloud of blue mist, then instantly re-formed in the exact same space.

  Scream. Dissolve. Re-form.

  Rook raised his mace, the gears in his neck whirring as he struggled to lock onto the shifting form.

  “ENEMY…?”

  “No,” I said, stepping closer. “Not an enemy. A leftover. Indigestible gristle.”

  I looked at the flickering shape. “The city is a refinery, Rook. It grinds people down into fuel. But sometimes the trauma is too dense—the soul-matter is too tough. The machinery chokes on it. He’s just slag caught in the furnace.”

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  The cycle broke. The Echo’s head snapped down, empty sockets filled with blue fire locking onto me. It sensed the fresh pressure in my veins. It sensed a source of warmth to drain.

  A high-pitched, oscillating wail erupted—the sound of tearing metal and gravel scraping against iron. The Echo lunged, smearing through the air like a stain.

  “ROOK… SMASH,” Rook bellowed.

  He swung his mace. The heavy stone head passed straight through the blue figure as if it were mountain mist, disturbing nothing but the dust. The Echo slammed into Rook’s chest.

  White frost bloomed instantly on Rook’s black stone chassis. He roared, stumbling back, his movements becoming sluggish and brittle as the ghost siphoned the thermal energy from his core.

  “Don’t hit the smoke, Rook!” I shouted. “You can’t track its speed!”

  The Echo turned toward me. I engaged Architect’s Vision. The world turned to a blueprint of glowing veins. I looked at the floor beneath the ghost’s feet.

  There. A thin, pulsing Ley-Vein connected the Echo’s heel to the glass pavement. A feeding tube disguised as a shadow.

  “The city is keeping him powered on to finish the grind.”

  I moved. With my agility enhanced by the Resonance, I slid under the Echo’s grasping, numbing claws. I drew Shadow-Fang. The dagger was forged from Nightmare Bone—a material so high in density it acted as a vacuum for magical flow.

  I drove the bone blade into the obsidian tile, severing the Ley-Vein.

  The impact rang out with the sharp report of shattering glass. The blue vein beneath the floor went dark. The effect was instant. The Echo froze, the blue fire in its eyes flickering out like a spent wick. It looked confused for a fraction of a second, then crumbled into a pile of harmless gray ash.

  Rook stood up, venting hot steam to shake the frost from his armor. “ENEMY… GONE?”

  “Pruned,” I muttered, sheathing the dagger. “Just a dead memory written in light.”

  I knelt by the ash and found a small, rough gemstone glowing with a warm, internal amber.

  [ Item: Flux Amber ]

  “The Biomass Tithe,” I whispered. “It’s not a tax. It’s a harvest.”

  Rook peered at the stone. “SHINY.”

  “It’s fuel, Rook.” I felt the cold pragmatism of the Architect settling into my ribs. I couldn't save the record, but I could use the fuel to save Elara. “Fuel is fuel. Move out.”

  We pushed deeper into the Garden of Silence, passing Echoes of weeping women and playing children. I skirted their perception, occasionally severing a Ley-Vein if they strayed too close. We were walking through a graveyard where the bodies weren’t allowed to rot.

  We reached a towering gate of woven gold, choked by a nightmare of petrified roots. They grew as thick as tree trunks, fused inextricably to the bars. Rook reached for them, his servos whining, but I stepped in front of the giant. I pressed my cast-iron hands directly against the calcified timber.

  [Structural Break]

  I pumped my industrial Flux into the wood, expecting the dead material to splinter into dust. The roots absorbed the energy without yielding a single millimeter.

  The [Architect's Vision] exposed the structural truth. The wood saturated itself with centuries of abyssal clusters—the processed spirit of the harvested citizens. it formed a dense, conceptual knot of human grief. My mechanical logic slid right off it. I'm going to need some time to think about how to remove you.

  My mind raced, hunting for a solution. The knot required a tool sharp enough to slice through conceptual trauma—a needle for the mind. My belt held only physical hammers and bone knives. Frustrated by lacking the exact shape of the required tool, I stepped back from the gate.

  "Rook," I ordered. "...Percussive maintenance. Strike the keystone." Sometimes brute strength is fine when you have a two ton golem following you around, right?

  Rook raised his mace and brought it down with the force of a falling building. The bone-white stone shattered. Without that central support, the rest of the root network lost its tension. It shivered and then shattered like brittle glass, clattering to the floor in useless shards.

  The golden gate swung open with the groan of ancient hinges. Beyond lay a dark elevator shaft, a descent into the cool silence of the Crypts.

  “Archive,” Rook stated, pointing into the deep.

  I looked back at the Garden—at the glass trees and the flickering ghosts of the discarded dead.

  “We’re not archaeologists, Rook,” I said, stepping onto the lift. “We’re grave robbers.”