The air deep within the subterranean caverns of the Yunnan Mine Sector was pitch-black and freezing, tasting heavily of raw iron dust, moisture, and old rot. The only illumination came from the swaying beams of the high-tensile flashlights carried by the Southern King's advance enforcers.
Lin Xi stepped firmly up to the massive, six-inch-thick cast-iron vault door embedded into the living rock face. Her white chef's jacket gleamed like a beacon in the dark.
Behind her, she heard the heavy, synchronized clack-clack of five automatic rifles being raised and locked into position.
"Step away from the wheel mechanism, Miss Lin," Chen Hu's melodic, southern-accented voice echoed off the damp stone walls.
The Southern King stepped out from the darkness, his dark wool trench coat sweeping the mud. Beside him, his ruthless son, Chen Long, gripped a heavy imported submachine gun, a psychotic, expectant grin stretching across his scarred face.
"You won the trade tribunal, and you forced me to sign your distribution permits," Chen Hu whispered, his gaze locking onto the iron dragon key resting in Lin Xi's palm. "But bureaucrats do not dictate the terms inside a dark mine shaft. Drop the key, surrender the coordinates to the Fermented Gold mother culture, and I will permit your military Commander to walk out of this mountain alive."
Lin Xi didn't flinch. She slowly pivoted on her heel, her fingers gently spinning the heavy iron key.
"You always execute your moves with a traditional smuggler's mindset, Mr. Chen," Lin Xi said, her voice dropping into a chilling, razor-sharp clip that silenced the dripping water. "You believe that because you hold the firepower, you hold the leverage. You failed to calculate why this specific mine was permanently sealed by the military command forty years ago."
Beside her, Gu Shaozheng shifted his weight, his large frame completely shielding her blind spot. His eyes locked directly onto Chen Long's gun barrel. "It wasn't sealed because the mineral vein ran dry, Chen Hu. It was sealed because the deep shafts contain high-pressure pockets of unrefined sulfuric gas. A single structural breach activates the ventilation pressure."
"They are bluffing to save their skins! Fire on them!" Chen Long roared, his fingers instantly tightening against his trigger guard.
Lin Xi didn't wait for the bullets to clear the barrels. Moving with explosive, micro-second velocity, she shoved the genuine iron Dragon Key straight into the lubricated central axis of the vault lock and executed a violent, full 360-degree rotation.
BANG. CLANG. HISSSSSSSSSS!
The colossal iron tumblers didn't just slide open; the micro-filtered mineral lard she had injected earlier hyper-accelerated the internal gears. The heavy steel bar retracted, and the extreme atmospheric pressure trapped inside the deep rock vault detonated outward in a massive, deafening volcanic roar.
A dense, blinding yellow cloud of highly concentrated, suffocating sulfuric gas erupted straight from the seal, filling the narrow corridor within a fraction of a second.
"My eyes! It's burning my eyes!" an enforcer shrieked, his rifle clattering uselessly against the stone as he collapsed to his knees, violently vomiting from the toxic chemical stench.
The five elite triad gunmen instantly broke their tactical diamond formation. They dropped their submachine guns, frantically clutching their throats and gasping for clean oxygen as the heavy capsular sulfur cloud aggressively attacked their respiratory systems. It was a complete, systematic liquidation executed entirely through the raw, geometric pressure of the mountain.
"You thieving bitch!" Chen Long screamed through the yellow mist, his vision completely blurred as he blindly swung his heavy submachine gun barrel toward Lin Xi's silhouette.
Before the steel could level, Gu Shaozheng dropped down through the fog like a shadow predator. Moving with the savage, unyielding velocity of an elite reconnaissance commander, his large hand shot out, clamping violently around Chen Long's wrist.
With a brutal, calculated application of skeletal leverage, Shaozheng twisted the young thug's arm backward until the joint audibly snapped.
"ARRGGHH!" Chen Long bellowed in pure agony, his weapon falling into the mud.
Gu Shaozheng didn't grant him a single millisecond to recover. Driving his heavy combat boot straight into Chen Long's sternum, he launched the scarred criminal across the corridor, his frame slamming violently against the gray brick support pillars before collapsing unconscious into the dirt.
"Your syndicate has officially breached military logistics territory, Chen Long," Shaozheng hissed, his face a terrifying sheet of absolute ice as he kicked the discarded submachine guns far down into the dark abyss of the shaft. "Your perimeter is fully compromised."
On the opposite side of the chamber, the Southern King, Chen Hu, was dragging his heavy trench coat through the mud, his lungs wheezing as he desperately tried to crawl back toward the fresh air of the western exit.
A shadow blocked his path.
A-Mei stood dead center in the doorway, her dark southern shawl thrown back to reveal a massive, rusted iron kitchen cleaver clutched firmly in her calloused right hand. Her eyes didn't carry the submissive, rural mask she had worn inside his mansion; they burned with ten years of unadulterated, bloody venom.
"A-Mei..." Chen Hu gasped, his hand reaching toward his vest pocket for a concealed blade. "You... you structured this entire trajectory... you guided the girl to my factory..."
"I guided her because her knife was the only steel sharp enough to pierce your armor, Chen Hu," A-Mei whispered, her voice a low, terrifying rasp that completely cut through the roaring wind. "Ten years ago, you murdered my husband on the Guangzhou docks to monopolize the black-market spice channels. You told the families it was a shipping accident. Today... your accident has officially arrived."
With a swift, devastating downwards arc born from a decade of pure fury, A-Mei brought the heavy cleaver down.
The Southern King's final, muffled scream was instantly swallowed by the roaring hiss of the venting gas pipes. The absolute ruler of the southern underworld was permanently crossed off the ledger.
Inside the newly unsealed inner sanctum of the vault, the air was completely clear of the sulfur gas, protected by a secondary high-level stone barrier.
Lin Xi marched into the center of the ancient, dust-covered room. Resting on a hand-carved stone altar dead center was a small, sealed porcelain vessel wrapped in rotting Qing Dynasty silk layers.
She sliced the silk away with her knife, prying the wax seal open.
The moment the lid cleared the ceramic neck, an explosive, otherworldly aroma filled the cavern. It wasn't spicy, and it wasn't bitter; it was a deeply complex, hyper-pure umami fragrance that felt ancient, rich, and completely alive. It was the ancestral Mother Yeast culture—the legendary starter strain capable of altering the culinary economy of the entire nation.
"We hold the asset, Shaozheng," Lin Xi murmured, pulling the porcelain vessel tightly against her ribs as she walked back out to the corridor where the steam was finally clearing.
Gu Shaozheng stood waiting for her, his civilian clothes smudged with soot and blood, but his dark eyes radiating a profound, unyielding respect as he reached out his large hand to steady her.
"The local garrison forces have just locked down the perimeter gates outside," Shaozheng reported, a rare, genuine smile cutting across his stern face. "Xiao Wang intercepted Chen Hu's remaining accounting couriers at the train platform. We have secured their master ledgers. Every single state-run grocery network, border trading stall, and black-market shipping line from here to Guangzhou now answers directly to your contract."
Lin Xi looked down at the signed corporate ledger and the ancient porcelain jar in her hands, her eyes flashing with a predatory, modern fire. She had transmigrated into this 1980s world as a tattered cannon fodder side character destined to die in a ditch. Now, she held the absolute keys to a national culinary conglomerate.
"The southern frontier is officially conquered, Shaozheng," Lin Xi smiled beautifully, leaning her head against his broad shoulder as the first rays of the morning sun broke through the mine entrance. "Pack the crates. It's time to return to the Capital. Our industrial expansion begins at dawn."