"Get her out of here," Tess urged, her voice cutting through the rising clamor of the Scrap Market.

  She shoved a heavy, grease-stained satchel into Dax’s chest with enough force to make him rock back on his heels.

  Above us, a massive holo-screen was still flashing a frantic, strobing red bounty alert:

  [ANOMALY 774: SIGHTINGS MULTIPLYING]

  [ORDER RESPONSE: IMMINENT]

  "We're leaving," Dax said, slinging the bag over his shoulder in one fluid motion. "Don't sell us out, Tess."

  "I don't sell friends, especially ones who owe me money," the matriarch spat, her demeanor lightening a bit with a smirk. "But I don't die for them either. If the Paladins come here looking for a heat signature, I'm pointing them at the Black Labs. So, you’d better be gone before they catch up."

  She turned to me. It felt like she was measuring, her mechanical eye zooming in and out, the lens whirring softly as it scanned the sweat beading on my forehead despite the cool evening air.

  "You're running hot, girl," she warned, her tone dropping low. "That stabilizer Dax gave you is burning off. You used too much juice melting that shock-prod."

  "I feel fine," I lied. An unnecessary lie, more to convince myself than anyone else.

  "You’re a grenade with the pin pulled," Tess snapped back, leaning in until I could smell the stench of stale tobacco on her breath. She pointed a grease-stained finger toward the dark, gaping mouth of a service tunnel behind her throne.

  "Take the Gut," she commanded. "It dumps out near the perimeter of the Black Labs. Find Vex. She's the only ripper-doc in the sector crazy enough to cut into a walking reactor without calling the Order first."

  "Vex hates me," Dax noted, checking the charge on his pistol.

  "Vex hates everyone," Tess grinned. "But she loves a puzzle. And this one?" She tapped my chest with a heavy wrench. "This is the biggest puzzle in Sector 9. Now go. Before someone decides the bounty is worth the burn."

  Dax grabbed my arm, his grip unyielding. "Move."

  We turned our backs on the chanting gutter-priests and the screaming vendors of the Scrap Market and stepped into the dark.

  Walking again. It felt like all we did.

  We were moving through the Service Tunnels, the Gut, as Tess had called it. It was a no-man's-land of dripping pipes and flickering lights that turned the world into a crime scene photo. The air here was dead, recycled a thousand times until it tasted like the chemical tang of waste processing.

  The roar of the market quickly faded to nothing, a seemingly endless darkness stretching before us.

  "How far?" I asked.

  "Three miles," Dax said. He was walking point, scanning every shadow, every grate, every flicker of the dying lights. "Vex’s clinic is on the perimeter of the Labs. We stay off the main concourse. Keep prying eyes and sensors off of us."

  “Three miles?” I adjusted the strap of the heavy satchel he’d given me. It dug into my shoulder, grounding me. "Piece of cake…"

  I was lying. Tess was right. The stabilizer was dying. Barely made it a mile before the crash hit.

  One second, I was walking, focusing on the rhythmic thud-thud of my boots on the metal grating, counting the rivets in the floor plates to keep my mind off the growing warmth in my chest; the next, the floor was jumping up to meet my face.

  I stumbled, pitching forward. I caught myself on a rusted railing that ran along the wall, the metal biting into my palm. Somehow, it was rough and slick, no, slimy, but ice cold, clinging to my hand like dry ice.

  A wave of heat rolled up my spine, violent and nauseating. It was a feeling that was becoming familiar at this point.

  [ALERT: STABILIZER FAILURE]

  [INTEGRITY: 15% → 8% (RAPID DECAY)]

  [CORE TEMP: 101.4°F (RISING)]

  "Dax," I tried to call, but the name came out as a wheeze.

  He turned before I finished the syllable. He saw me sagging against the rail, one hand clutching my chest, and he was at my side in a heartbeat.

  He didn't ask if I was okay. He grabbed my chin and tilted my head back, forcing me to look at the flickering yellow light above.

  "Your pupils," he said, his voice clinical, detached. "Dilated. Uneven."

  "I feel..." I swallowed back bile. The room was spinning. "I feel heavy…”

  "You're burning through the chems faster than I expected," Dax said, letting go of my face to check the readout on his wrist-comp. "Tess called it. That little light show in the market cost you. You dumped energy you didn't have, and now your metabolism is eating itself to make up the difference."

  "The scavs..." I mumbled, trying to focus on his face. He was blurring at the edges.

  "Yeah," he said. "Physics has a price, Lexi. Can you stand?"

  I tried to push off the rail. My arms trembled like wet noodles. The heat was pulsing in my ears now, a heavy whoosh-whoosh sound like a bellows fanning a flame.

  "Maybe," I said.

  "Not good enough."

  He grabbed my arm, hauling me upright with a strength that felt effortless. We pushed on, Dax doing the majority of the work. I had been reduced to the third leg of a tripod.

  The tunnel narrowed. The ceiling lowered until Dax had to duck beneath the thick bundles of cabling that ran overhead…the intestines of the city. The air grew colder, tasting of frozen chemicals. We were entering the coolant arteries, massive pipes carrying liquid nitrogen and industrial coolant from the surface down to the reactors.

  It should have been a relief, the air cooling. But the ambient temperature was dropping well below freezing. Breath plumed in the air before us in white clouds. Frost patterns bloomed on the walls in intricate, fractal spirals.

  Stolen from its rightful author, this tale is not meant to be on Amazon; report any sightings.

  It quickly went from soothing to painful.

  My skin felt like it was freezing, tightening until it felt like it would split. But underneath the skin, my blood was boiling. It was a level of thermal dissonance that made me want to scream. I was a house on fire in the middle of a blizzard.

  [SYMPTOM FLAG: OVERHEAT-INDUCED DELIRIUM]

  [SENSORY DISTORTION: ACTIVE]

  The shadows started to stretch.

  At first, it was just movements in the corners of my eyes. A flutter of cloth. A shape in the steam.

  Then, the faces came.

  I looked at a patch of condensation on the wall, and it twisted. It wasn't just water anymore. It became Korran Vale’s face, smooth and hateful, smiling at me from the damp concrete just like he had in the plaza.

  “Purified,” the wall whispered.

  I squeezed my eyes shut, shaking my head violently. "Shut up."

  "I didn't say anything," Dax barked back, not breaking stride.

  "Not you," I mumbled. "The wall. The wall is talking."

  Dax stopped; his expression unreadable in the gloom. The red lens of his optic glowed like a dying ember.

  "You're hallucinating," he said. "Heat stroke. Your brain is cooking in its own fluid. It's misfiring."

  "Comforting," I slurred, the words feeling thick in my mouth. "You really have a way of calming a girl down."

  "Keep moving. Focus on something other than the walls. Pick a singular point."

  I tried. I really tried. I focused on the worn leather of his coat, on the way he moved…efficient, lethal, grounded.

  But the heat was a living thing now. It was clawing at the back of my throat. My heart hammered against my ribs, a frantic thump-thump-thump that echoed the Brand’s pulse.

  Thump-hiss. Thump-hiss.

  "I feel like I'm standing inside a furnace made of ice," I whispered.

  "Almost there," Dax lied. "Just a little farther."

  We turned a corner, and the tunnel widened into a maintenance junction. This was the heart of the coolant system. Massive pipes, thick as coffins, lined the walls, sweating black ice-water. The hum here was deafening; a deep, resonant vibration that shook the floorplates.

  My vision blurred. The world tilted sideways.

  I stumbled hard on a raised bolt.

  My boot caught. I went down.

  The floor rushed up to meet me…grating, oil, and darkness.

  Dax caught me by the armpit before I ate metal. His fingers dug in hard enough to bruise, hauling me up. But my legs were gone. They were jelly.

  "I can't," I gasped, hanging in his grip. "Dax, I can't walk."

  "You can," he growled. "Because the alternative is dying."

  "Dying feels easier," I mumbled. My head lolled back. The ceiling lights streaked into long ribbons of yellow. "Just leave me."

  "Dying is boring," he said. "And I don't do boring."

  I don’t think he was as concerned with my well-being as he was with winning. He didn't pull me up this time. He shoved me sideways.

  "In," he hissed.

  He forced me into a recessed maintenance alcove, half-hidden behind dangling conduit wires that sparked faintly in the damp air. It was a tight squeeze, barely enough room for me, let alone two people.

  He awkwardly spun me around, pressing my back against one of the massive cryoline pipes.

  I had a joke queued up about nice accommodations if he wanted to get frisky, but I just didn’t have the energy to speak.

  The shock was immediate and violent.

  [ENVIRONMENTAL CONTACT: CRYOLINE PIPE]

  [SURFACE TEMP: -29°C]

  [HEAT DUMP: +420% (LOCAL)]

  Steam exploded around us, white and hissing, filling the alcove with the smell of boiling metal. My jacket stuck to the pipe in an instant, the fabric flash-freezing with a loud crackle.

  I screamed.

  A raw, animal sound blurting out of my face. The cold bit through the jacket, through my shirt, through my skin. It seized my muscles, locking my spine against the curved metal.

  I tried to jerk away, panic flaring brighter than the heat.

  "Let me go!" I shrieked, thrashing against the metal.

  Dax didn't let go. He stepped in, planting his forearm across my collarbones, pinning me. He used his weight, driving me back against the ice.

  I figured he’d changed his mind. Challenge over – done with me. This was probably the most painful way he could think of to be done with me…

  "Stay," he ordered. His voice was a whip-crack in the small space.

  "It burns!" I screamed, tears leaking from my eyes and freezing on my cheeks. "It burns, Dax!"

  "That's the heat leaving," he said. His face was inches from mine, his eyes locked onto my dilated pupils. "You're a radiator, Lexi. You have to vent. Let it go. Don't fight it. Dump the load."

  "I can't!"

  "You can. Push it out. Push it into the pipe. Give it to the ice."

  I sobbed, my hands clawing at his coat. I wanted to hurt him. I wanted to burn him for doing this to me.

  But the cold was relentless. It ate through the fever. It sank its teeth into the fire in my marrow and dragged it out, inch by agonizing inch.

  I stopped fighting. I didn't have the strength left.

  I slumped against the pipe, letting the freezing metal leech the poison out of my spine. It was the pain of a fever breaking, amplified by a thousand.

  He didn't step back. He kept me pinned, watching my face, monitoring the reaction. He wasn't looking at me like a person. He was looking at me like a reactor gauge. But he was blurring with red streaks in front of my face.

  "Breathe," he said, his voice softer now. "In. Out."

  I shuddered, a full-body convulsion. "I hate you."

  "I know," he said. "Breathe."

  I did.

  The air was freezing, but it tasted sweet. The red haze in my vision began to recede, replaced by the stark, grey reality of the tunnel.

  My HUD flickered, stabilizing:

  [CORE TEMP: 101.4°F → 99.1°F (DROPPING)]

  [BURN LOAD: 88% → 42%]

  [STATUS: STABLE (EXTERNAL COOLING)]

  "Better?" Dax asked after a long minute.

  "Define better," I wheezed. "I feel like an exhaust vent."

  "That's the idea."

  He stepped back, letting me slide down the pipe until I hit the floor. The ice on my jacket cracked as I moved.

  He pulled a diagnostic tab from his belt, a small, flat scanner, and waved it over me.

  "Core temp is stable," he said, reading the display. "High, but stable. That pipe just bought us another hour. Maybe two, if you don't use any more of your magic."

  “Magic?” I cocked an eyebrow at him. “Is that what we’re calling it?”

  He looked at me, his expression unreadable in the gloom. He looked tired. The shadows under his eyes were dark bruises. I could see this was weighing on him. Maybe not as physically taxing for him as it was for me, but the weight was heavy.

  "You're evolving, Lexi," he said quietly. "The Brand isn't just a mark anymore. It's an engine. And right now, you don't have the chassis to handle the horsepower. You're trying to run a fusion drive in a go-cart."

  I laughed. It sounded brittle. "So, I need an upgrade," I said, wiping a cold sweat from my forehead.

  "You need Vex," he said. "She can splice in a regulator. It won't fix you, but it will keep you from melting down every time you get stressed."

  He offered me a hand.

  I looked at it and thought about slapping it away, but I wasn’t sure I’d be able to rise on my own. So, I took it.

  He pulled me up. I swayed, grabbing his arm for balance.

  "Come on," he said. "We're close. Just through the junction."

  He turned to lead the way, stepping out of the alcove and back into the main tunnel.

  My HUD chimed softly, a gentle notification:

  [ADAPTATION LOAD: +30]

  [EVENT TAG: SURVIVAL – THERMAL SHOCK]

  [GENETIC THRESHOLD APPROACHING — LEVEL 4]

  The tear in my vision re-opened.

  It wasn't the jagged glitch from before. It was slower. Smoother. More deliberate. Like an eye opening in the dark.

  [RETURN SIGNAL… ONLINE]

  [LINK STABILITY: 11%]

  And then, the text appeared. Floating in the air, superimposed over the dirty tunnel walls:

  […she’s coming.]

  My boots skidded on the wet floor. I stopped dead. The air in my lungs froze.

  Dax took two more steps before noticing I wasn't moving.

  He turned. "What? Are you overheating again, already?"

  "No," I whispered. I pointed a shaking finger at the empty air where the text hung, glowing with a faint, orange light that only I could see.

  "You don't see that?" I asked. "'She's coming'?"

  Dax stared at the space I was pointing to. He stared for a long second. His optic flickered, the red lens dilating as it ran a private diagnostic, cycling through spectrums I couldn't perceive.

  "I see a tunnel," he said slowly. "I see steam. I see a girl who needs help."

  "It's right there," I said, my voice rising. "It's typing to me, Dax. Who is she? Who's coming?"

  Dax walked back to me. He grabbed my shoulders, turning me away from the empty air.

  "Don't listen to ghosts, Lexi," he said, his voice hard. "They only lie. And they only want one thing."

  "What?"

  "To be real again."

  He pushed me forward. "Move."

  The whisper went quiet. It didn't feel gone, just…lingering patiently. Like someone waiting on the other end of a call, waiting for you to re-engage.

  I swallowed hard and forced my legs to move. Dax didn't look back. He knew I would follow.

  Somewhere nearby, or maybe it was inside me, something that shouldn't exist kept a quiet, watching connection alive.

  And further above us, through wires and ruined networks and Tower stacks, something that used to speak in my mother's voice started walking the same path.