The Hunger of the Walls
Author: Skyrose
last update2026-10-27 09:40:42

Pedro woke with a violent start, his face pressed hard against the cold, gritty linoleum of his apartment floor. He scrambled backward, his breath catching in his throat as a low, electric hum vibrated through his teeth.

The walls weren't just breathing anymore. They were bleeding.

Thick, glowing veins of iridescent blue and violet light pulsed beneath the peeling wallpaper, sizzling and crackling like exposed wiring. A drop of the glowing liquid dripped from the ceiling, landing on his cardboard moving box with a sharp hiss, instantly burning a clean hole through the cardboard.

"Oh, come on! Seriously?" Pedro yelled, scrambling to his feet and backing into the corner of the kitchenette. "I just moved in! Is the building having a stroke?"

A sudden, sharp chime echoed through the small studio. The air in the center of the room distorted, and the translucent blue holographic screen flared to life, casting a sickly, flickering light across his face.

[SYSTEM ALERT: STRUCTURAL GROWTH SPURT IN PROGRESS]

[MASS REQUIREMENT: 5,000 KCAL OF DIVINE-GRADE SUSTENANCE REQUIRED TO REINFORCE THE WALLS]

[TIME REMAINING: 45:00]

"Five thousand calories of what?" Pedro shouted at the glowing screen, his voice cracking with desperation. "I have half a loaf of stale bread, a jar of peanut butter, and two packs of instant ramen! What do you want me to do, make the drywall a sandwich?"

The System interface blinked coldly, the countdown timer ticking down with mechanical indifference.

[WARNING: FAILURE TO FEED THE STRUCTURE WILL RESULT IN COMPRESSION TO SECURE ORGANIC BIOMASS]

"Compression? You're going to crush me again?" Pedro gripped his hair, pacing the tiny room as the walls visibly bowed inward by an inch. "Vesta! Hey! Speak to me! You can't just demand five thousand calories of weird space-food and then go silent!"

The screen didn't answer. The countdown hit 43:12.

"Okay, okay, don't panic," Pedro muttered to himself, staring at his trembling hands. "Elisa said the building has a rhythm. She said to hide in the gaps. But how do you feed a hungry wall?"

He ran to the door and wrenched it open. The hallway outside was thick with the scent of ozone and hot copper. The floorboards beneath his feet were warm, flexing slightly like the throat of a giant animal swallowing its prey.

"Elisa!" Pedro screamed, hammering his fists against the door of unit 403-A. "Elisa, please! Open up! My walls are oozing blue juice and the System is threatening to turn me into organic biomass!"

The heavy brass deadbolt clicked, and the door swung open a few inches, held back by a thick security chain. Elisa’s pale, exhausted face appeared in the gap.

"Stop shouting," she hissed, her eyes darting down the dark corridor. "Do you want to wake up the sweepers? If they catch you making a scene during a spurt, they'll sweep you right into the incinerator."

"I don't care about sweepers!" Pedro gasped, pointing frantically back at his open door. "Look at my room! The screen says I have less than forty minutes to find five thousand calories of 'divine-grade sustenance' or I'm going to get compressed!"

Elisa sighed, rubbing her temples as she unlatched the chain and stepped out. "Ah, damn it. A growth spurt. The building must be adding a new wing or expanding a floor downstairs. It needs raw energy to calcify the new walls."

"How do I feed it?" Pedro asked, his hands shaking. "Can I just throw my groceries at the floorboards?"

"Of course not," Elisa said, leaning against the wall and crossing her arms. "Normal food doesn't have the density. It needs stuff processed by the System. Usually, you can get high-grade nutrients at the dispensary in the lobby, but that costs essence. You don't have any essence points, do you, newbie?"

"No! I've been here for less than twenty-four hours!" Pedro cried. "I don't even know how to get essence points!"

"Then you're in deep trouble," Elisa said, her voice flat. "Because if you don't feed your unit's core, it will collapse your room to salvage your physical form. It’ll use your calcium for the plaster and your iron for the pipes."

Pedro’s mind raced, his heart hammering against his ribs. "Wait. Hold on. The Aethelgard... I researched the building's history before I signed the lease. I'm an architect, Elisa. I study blueprints."

"Great. You can draw a nice picture of the tomb we're trapped in," she muttered.

"No, listen to me!" Pedro insisted, grabbing her by the shoulders. "The Aethelgard was built on the foundation of an old 1920s luxury hotel. The original structures had a dual-layer ventilation system. They used pneumatic tubes and gravity-fed service vents to move luxury goods and ice between floors without disturbing the guests. If the System integrated the old layout, those maintenance shafts should still be there."

Elisa’s eyes narrowed, a spark of interest finally flickering in her tired gaze. "A service shaft? Like a bypass?"

"Yes!" Pedro said, nodding rapidly. "If the building is using those old paths as its physical infrastructure, the automatic supply lines—the ones that feed the lobby dispensaries—must run right through those vents. There has to be a pressure-release valve or a clean-out grate near the lobby firewall."

"If you're wrong, we're walking straight into the lobby guards," Elisa warned, though she was already checking her pockets. "And trust me, the bellhops down there aren't looking for tips. They'll tear us apart."

"It's either that or get digested by my own studio apartment!" Pedro said. "We have thirty-eight minutes. Are you coming or not?"

Elisa pulled a heavy, blackened iron key from her pocket. "Lead the way, blueprint boy. But if we die, I'm going to haunt your unit forever."

They bolted down the vibrating stairwell, the concrete steps feeling strangely soft beneath their shoes, like damp clay. The air grew heavier, hotter, smelling of burning hair and old grease as they descended.

"Which way now?" Elisa whispered as they reached the ground floor landing.

"The main service alcove should be right behind the lobby firewall," Pedro whispered back, pressing his back against the wall. "Through that door. We need to find a brass intake grate."

They peeked into the vast lobby. The ceiling was shrouded in a swirling, grey mist, and far across the polished marble floor, three towering figures in pristine, brass-buttoned uniforms stood perfectly still. They had no faces—just smooth, blank porcelain where their features should have been.

"The bellhops," Elisa breathed, her grip tightening on Pedro's arm. "Don't look at them. If they sense your attention, they'll come over to 'assist' you."

"I see the grate," Pedro whispered, pointing to a narrow, recessed corridor to their left. "It's right there. Help me."

They crept along the shadow of a massive marble pillar, their feet making no sound on the warm stone. Pedro reached the brass grate, which was covered in decades of grime and sealed shut with dried, black paint. He tugged on the metal bars, but they didn't budge.

"It's stuck," Pedro hissed, sweat dripping into his eyes. "I can't get enough leverage."

"Move your hands," Elisa said. She jammed the tip of her iron key into the seam between the frame and the wall, throwing her weight against it. "Come on, you piece of junk..."

With a loud, metallic CRACK, the paint seal broke. The grate swung open, releasing a sudden gust of freezing, metallic-smelling air that made Pedro shiver.

Inside the dark shaft, thick, pulsating blue cables ran alongside copper pipes, hummed with a low, terrifying power.

"I don't see any food," Elisa muttered, squinting into the darkness. "Just cables."

"They aren't cables, they're supply lines," Pedro said, thrusting his arm deep into the cold shaft. "The blueprints showed a gravity-fed canister system. There has to be a release trap..."

His fingers brushed against cold, slimy metal. He reached further, his shoulder straining against the narrow opening of the grate.

"Pedro, hurry!" Elisa hissed, glancing back toward the lobby. "One of the bellhops just turned its head. I think it heard the grate break."

"I've got something," Pedro grunted, his fingers locking around a heavy, ridged cylinder. He pulled, but it was snagged on a cable. "It's stuck! Help me pull!"

Elisa grabbed his belt, bracing her feet against the wall as Pedro tugged with all his might. With a wet, sucking sound, the canister broke free. They both tumbled backward onto the floor as a heavy, metallic cylinder slid out of the vent, glowing with a bright, chemical green light.

Printed on the side in blocky, white text was: [SYSTEM NUTRIMENT - GRADE B - 6,000 KCAL].

"We got it!" Pedro gasped, scrambling to his feet. "We actually got it!"

"The bellhop is coming!" Elisa screamed, grabbing Pedro’s collar and hauling him toward the stairs.

Pedro looked back. One of the faceless, brass-buttoned figures was gliding across the lobby floor with impossible speed, its porcelain face tilting upward as if sniffing the air.

"Run!" Pedro yelled.

They took the stairs three at a time, their lungs burning, the heavy green canister clutched tightly in Pedro’s arms. The building’s groans had turned into a high-pitched, metallic shriek that echoed through the stairwell.

They burst into the fourth-floor hallway. The walls of unit 402-A were bowing inward so severely that the doorway was warped, a thin stream of glowing purple liquid pouring over the threshold.

"Feed it! Now!" Elisa yelled, staying in the hallway as Pedro lunged into his shrinking room.

[UNIT INTEGRITY: 8%] the blue screen flashed in frantic, red lettering. [PROVIDE SUSTENANCE IMMEDIATELY]

Pedro twisted the cap of the canister. It hissed, releasing a thick, sweet odor that made his stomach turn. Inside was a glowing, gelatinous sludge. He didn't hesitate. He dumped the entire contents of the cylinder directly onto the largest, most violent purple vein pulsing on his kitchen wall.

The wall seemed to react instantly. A wet, vacuum-like slurping sound echoed through the room as the drywall greedily drank the glowing sludge. The purple veins flared bright green, then slowly faded, retreating back beneath the plaster.

The shrieking stopped. The walls snapped back into their original positions, and the ceiling rose, leaving the studio apartment silent once again.

Pedro fell to his knees, his hands covered in a sticky, green residue, gasping for breath. "We... we made it."

Elisa leaned against the warped doorframe, wiping sweat from her forehead. "Look at the screen, Pedro."

Pedro raised his head, his eyes widening in horror as the blue text updated.

[SUSTENANCE LEVEL: STABLE]

[NEXT DAILY MAINTENANCE DUE: 23:59:59]

[REQUIRED SUSTENANCE: 7,500 KCAL]

"Tomorrow?" Pedro whispered, staring at the countdown timer as it began to tick backward again. "It wants more tomorrow? And it's even more than today?"

"It's a parasite, Pedro," Elisa said quietly, turning back toward her own door. "It never stops growing. And it never stops eating."

Pedro sat alone in the dim light of his apartment, the heavy silence settling over him like a shroud. He looked down at the empty canister in his lap, his hand brushing against something hard and small that had fallen out of the vent along with the food.

He picked it up, holding it up to the faint light of the system screen.

It wasn't a piece of metal.

It was a human molar, its root jagged and still stained with a dark, dried crust of black blood.

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