A mine was not a badger hole.
Contractors who dug random, crooked burrows through bedrock deserved every cave-in that hit them. Austin had seen enough amateur builds to last a lifetime: jagged walls, blind drop-offs, rotting timber shores, and wandering drifts that meandered like drunk sheep. Cut corners on underground shoring, and you were begging for a deadly cave-in. One missing load-bearing column, one uncalculated crack in the stone, and the mountain settled into your workspace, burying three weeks of production under thousands of tons of fractured rock.
Over the next forty-eight hours, Austin brought building code to the underworld.
Armed with the High-Frequency Thermal Plasma Pickaxe and directional sweeps of `/purge_thermal_exhaust`, he opened up a clean, one-thousand-square-meter hall fifty meters beneath his kitchen floor.
He didn't gut the mountain blindly. To ensure the surface porch and kitchen hearth wouldn't settle by so much as a millimeter, Austin ran the overburden weight calculations down to the pound. He left four massive, octagonal pillars of native granite standing at the four quarters of the hall, each fifteen feet across.
Between the pillars, he secured the roof. Every five paces across the eighty-foot span, Austin drove five-foot steel rock-bolts into the ceiling at forty-five-degree angles, anchoring heavy mesh plates against the overhead stone to pin any loose overhead strata. On the side of each black pillar, he mounted a brass seismic tell-tale—a glass capillary tube filled with red dyed alcohol and a floating bead—to monitor any differential settlement or shear displacement under load.
"Zero roof creep," Austin muttered, tapping the gauge. "Tell-tales dead level."
Once the bulk rock was cleared, Austin fired up the plasma torch.
He swept the twenty-thousand-degree flame across the raw granite faces of all four columns. The quartz and feldspar liquefied on contact, running down the stone in thick, glowing sheets before hitting the subterranean draft. The slag flash-cooled into mirror-black obsidian veneer—seamless, hard as tempered tool steel, and free of stress fractures. The four dark monoliths climbed eighty feet into the vaulted ceiling, reflecting the glare of the quartz lamps like columns of polished black jade.
Between those pillars, Austin laid out orderly aisles lined with heavy storage racking.
He built the frames from straight-grained Dragon-Vein Pine hauled down from the surface. Every bay stood ten feet tall, assembled with notched lap joints, pegged with hardwood dowels, and cinched down with hand-turned bronze lag screws. Main thoroughfares ran four meters wide—ample room for two-way wheelbarrow traffic, zero blind corners, and overhead quartz bulbs spaced every ten paces.
Austin walked to the center of the hall, checking the banister of the spiral stone staircase that tied Floor 1 straight into the pantry above.
He hung a brass plumb bob from the landing, watching the lead weight settle over a chalk cross on the floor. Dead center.
A chime clicked behind his eyes:
"Solid chunk geometry," Austin muttered, knocking a knuckle against the obsidian casing of the nearest pillar. *THUNK.* The rock didn't give a millimeter. "Spacious aisles. High overhead clearance. Zero trip hazards. Now I just need a warm body to run the yard."
He stepped over to the bottom of the spiral stairs, put two fingers to his teeth, and let out a piercing whistle.
"Hey! Kid! Get down here!"
The shout bounced up the glassy shaft.
Ten seconds later came the scuffle of cloth slippers on stone.
Li Xiaoyao scrambled down the steps, gripping his bamboo broom like a spear. The sixteen-year-old disciple had been sweeping dry pine needles off the front walk when the yell came. He rounded the final twist of the spiral stair, planted his feet on the obsidian landing—and stopped dead.
The broom bristles sagged to the rock. The boy’s jaw went slack. His eyes stretched wide enough to swallow his face.
Spread out before him was an impossible subterranean empire.
Four towering columns of glassy void-stone held up the mountain's weight with contemptuous ease. The air smelled of sharp ozone and warm copper, vibrating with the harmonic hum of thirty-foot spirit iron crystals hanging from the vaulted ceiling like blue stalactites. Brilliant purple-white lamps burned without oil along the walls, throwing surgical daylight over endless rows of oiled pine shelving.
And at the far wall, the pneumatic plasma chisel hammered steadily into the bedrock: *THUD-THUD-THUD-THUD.* Every two seconds, a glowing blue cube of dragon iron dropped into the collection chute, sliding into the hopper with a crisp metallic ring.
*The... The Abyssal Palace of the Dragon Sovereign!*
Li Xiaoyao’s knees buckled. He dropped onto the cold obsidian, clutching his broom to his chest while his breath rattled in his throat:
*The Master... He hasn't dug a root cellar! He has conquered the living dragon vein of Sunset Peak! He chained the mountain's beating heart beneath the kitchen! He commanded the bones of the earth to cut themselves into offerings! And these black pillars... Heavenly Void-Stone, anchoring the vault of heaven!*
Austin walked over, looking down at the groveling teenager with a weary sigh.
"Kid, up. Off your knees. Stone's cold, and you're tracking broom straw across my clean floor." Austin pulled an iron clipboard and a stick of white soapstone from his apron. "You're getting a promotion."
Li Xiaoyao raised a tear-streaked face. "A... a promotion, Master?"
"Yeah," Austin said, shoving the board and chalk into the boy's limp hands. "You are now officially the **Subterranean Logistics & Storage Supervisor**."
Xiaoyao’s chest seized. The words echoed in his skull like thunder:
*SUBTERRANEAN LOGISTICS AND STORAGE SUPERVISOR!* *KEEPER OF THE CELESTIAL DRAGON VAULT!*
"Here’s your route," Austin continued, pointing his wooden ruler toward the chisel and the racks. "The pneumatic rig drops thirty-pound blocks into that collection bin. You haul them over to the racks, stack them ten by ten, and mark the lot count on the shelf header with chalk."
Austin reached down, hauled a blue block out of the hopper, and demonstrated the form.
"And listen to me about your back," Austin barked, dropping into a clean squat. "Bend your knees. Keep your chest up. You lift thirty pounds with your lumbar spine bent like a fishing rod, and your L4 disc pops before you ever smell Foundation Establishment. Lift with your quads. Keep the block tight against your belt buckle. Don't twist your torso while under load. Pivot your feet."
Austin set the block down with a solid thud and poked the teenager's shoulder:
"Next rule: under no circumstances do you stack more than sixty-four blocks in a single bay. Sixty-four is the hard cap. You try to shove a sixty-fifth block into that cubby, the inventory array rejects the payload, and the block clips right through the floor geometry. Clear?"
Xiaoyao pressed the iron board against his ribs, staring at the numbers with holy awe.
"The stack of sixty-four..." the boy whispered, trembling. "The sixty-four hexagrams of the ancient Book of Changes! The supreme balance of Heaven, Earth, Water, and Fire! By ordering the dragon bones in multiples of sixty-four, the Master is aligning the underworld with the celestial mechanics of the cosmos! A sixty-fifth block would shatter the cosmic harmony and plunge the void into chaos!"
Austin stared at the boy. He rubbed the bridge of his nose where the goggles had pinched a red groove.
"Right. Sure. Whatever helps you remember the stack limit. Sixty-four is just standard slot capacity in the inventory engine. Just watch your toes. They’re thirty pounds a pop, and I haven't turned steel-toed boots on the lathe yet. When you finish an aisle, sweep the fines into the collection barrel. We don't drag rock grit up into the pantry. Got it?"
"Disciple obeys the Master's cosmic decree!" Xiaoyao threw himself forward, smacking his forehead against the obsidian floor. "This servant shall guard the Dragon Vault with his life! Every speck of divine dust shall be accounted for on my ledger!"
Austin sighed, turned on his heel, and started up the spiral stairs.
"Don't kill yourself. I'm going up to brew some tea."
***
Thirty miles east, in the regional stronghold of the **Iron Pavilion**.
The Iron Pavilion wasn't a monastery of meditating hermits; it was an industrial cartel with imperial backing, holding exclusive mineral rights across nine provinces. Its fortress was a soot-stained citadel of black pig iron, reeking of burning coke, sulfuric acid, and wet slag.
Inside the command redoubt sat **Director Tie Feng**.
He was a Late Golden Core brute with a face carved by mine collapses. His left arm ended at the elbow, replaced by a blackened spirit-steel prosthetic driven by miniature pneumatic pistons. With every twitch of his metal fingers, the valves hissed: *psssht-clink.*
Spread across his iron desk were rolled sheepskin deeds, tax receipts, and imperial survey maps stamped with the vermilion seals of the Great Yan Ministry of Works. Three prospectors knelt before him, their foreheads pressed against the iron floor grating, holding trembling seismic compasses.
"Director!" the lead scout croaked. "The tremors from the Southern Cloud range are not natural earth movements! Our deep needles confirmed the wave pattern. It is an artificial, rhythmic extraction beat... oscillating at fifty strokes per breath! Three thousand strikes a minute!"
Tie Feng’s mechanical knuckles tightened.
A heavy marble paperweight on his desk was caught in the grip. The miniature pistons hissed, steel gears whined, and the solid stone exploded into powdery white meal that drifted through his fingers: *CRUNCH.*
"An artificial pulse?" Tie Feng snarled, his voice like gravel sliding down a chute. "Someone is boring into the Southern Cloud tectonic root without an extraction permit from the Iron Pavilion?!"
"The frequency is only part of it, Director!" the scout stammered, pulling a glowing blue crystal sliver from his robes. "Our resonance mirrors caught the harmonic signature bleeding through the bedrock! It matches the legendary **Ancient Azure-Dragon Spirit Iron**! A single hundred-weight ingot of that ore fetches ten thousand high-grade spirit stones on the capital exchange!"
Greed flared in Tie Feng’s good eye, hot as molten iron.
"Ten thousand spirit stones for a single ingot..." Tie Feng whispered, rising from his chair like an iron derrick. "And that peak... Sunset Peak... sits on the boundary lands of the Clear Sky Sect."
He curled his lip in disgust.
"A toothless sect of broken monks, sleeping on the richest vein on the continent. They have no imperial charter. No heavy boring rigs. No strength to hold it."
Tie Feng turned toward his chief enforcer, his mechanical fist locking shut with an iron crack.
"Sound the muster gong! Roll out two hundred Earth-Drill Enforcers and fire the boilers on three **Subterranean Snail-Boring Skiffs**! Pack grease into the cutter heads and load forty drums of lamp kerosene! We move on the Southern Cloud foothills by sundown. By imperial charter and ancestral claim... whatever lies under that mountain belongs to the Iron Pavilion!"