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My Golden Core is a Star, and You Call This Cultivating?! • Ch. 106
My Golden Core is a Star, and You Call This Cultivating?!Season 5

Chapter 106: Countdown Reaches Zero: Main Sequence Ignition

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`00:00:00.`

The amber-and-crimson digits burnt onto Austin’s retinas flickered out.

For a heartbeat, nothing happened. Just the wind whining through the timber trusses of the porch and the faint, dry hum of solenoid relays down in the battery trench.

Then Austin’s lower abdomen caved in.

Not physically. His belly stayed flat under the heavy duck canvas of his Carhartt bibs, but the gravitational space-time inside his dantian folded like cheap sheet metal in a hydraulic brake press. The super-dense hydrogen shell of the stellar crucible collapsed inward under twenty quintillion kilograms of self-generating downforce. Outward radiation pressure, which had kept that two-million-degree pre-ignition envelope hovering in steady, delicate balance for three straight days, gave up the ghost. Millions of cubic meters of super-compressed stellar plasma dropped straight down the well, plunging toward the dense pinpoint at the center of his soul. Protons and electrons ground together until electron degeneracy pressure buckled like rotten spruce beneath an eighty-ton bulldozer.

The collapsing shell slammed home.

*KAAAAAAAAAAAAAAA-BOOOOOOOOOOOOOOOOOOOOOOOOOM!*

Forget opening meridians. Forget sitting cross-legged on a silk cushion until your spiritual breath harmonized with the morning mist. Austin didn't advance a cultivation stage—he tripped a **Thermonuclear Main Sequence Ignition**.

Down in his core, hydrogen nuclei rammed together at blinding, lightning speeds, punching straight through the electrical barrier and fusing into helium at hundreds of billions of tons per second. What caught fire wasn't qi. It was an honest-to-god gravitational thermonuclear furnace burning at a steady, terrifying **Five Million Kelvin**.

His HUD flashed bright enough to bleach his vision, accompanied by a deafening fanfare of brass trumpets and rolling thunder that rattled his molars right in their gums:

*BA-BA-BA-BAAAAAAAA—CHIME-CHIME-CHIME!*

[SYSTEM BREAKTHROUGH: LEVEL 50 ACHIEVED!]
STANDALONE HOST
Cultivation Rank: Sol-Class Golden Core (Main Sequence I)
Core Evolution: Full Thermonuclear Hydrogen Fusion Active
Core Temperature: 5,000,000 K (Five Million Kelvin)
Core Mass: 1.00 × 10²¹ kg (~0.0134 Lunar Masses)
Energy Output: 5.00 × 10¹⁷ Watts (500 Petawatts)
First Epoch Containment Mesh: 99.998% Stable
Thermal Radiation Leakage (0.002%): 10.00 GIGAWATTS
Passive Gravitational Well: 25.0G Local Field
Shin Orbital Ring: 280 Micro-Particles (5 Concentric Tiers)
[Unlocked Blueprint]: Tier 5 High-Speed Industrial Mag-Lev
Rail System & Vacuum Transit Tube Schematics

Austin squinted through his wire-rimmed work spectacles, his pupils contracting to pinpricks against the scrolling green diagnostics.

One point zero zero times ten to the twenty-first kilograms.

"Sweet mother of rebar," he muttered.

Roughly one point three percent of the mass of Earth’s Moon, crammed into a glowing sphere the size of a Florida orange between his lower ribs. If that magnetic containment mesh slipped by even a tenth of a percent, the local gravitational gradient would yank Sunset Peak, Mount Clear Sky, and forty miles of surrounding granite right down his esophagus, turning the entire Western Province into a pocket black hole.

"Ninety-nine point nine-nine-eight percent stability," he said, checking off the readout lines with the dry detachment of an inspector reviewing boiler stamps. "Tolerances are razor-thin. Way too tight for comfort, but the seals are holding."

His thumb flicked the grease pencil against the corner of the clipboard, scanning the rewards drop:

"Tier Five High-Speed Mag-Lev and Vacuum Transit Tubes. Finally. God almighty, finally. A real logistics corridor. I’m sick to death of watching that cable hoist crawl up the mountain face like an arthritic snail every time the foundry pours a fresh batch of titanium billets. Next week we’re drilling boreholes for evacuated tubes straight into Floor 4."

He didn't get to finish the thought.

The thermodynamic bill came due.

*WHOOOOOOOOOOOOOOSH!*

Ten gigawatts of raw waste heat vented through Austin’s skin like a localized solar flare.

The pocket of atmosphere wrapped around his body superheated to thousands of degrees in a microsecond, detonating outward in a concussive thermal blast that tore across the porch deck.

On an unengineered mountain, that kind of thermal pulse would have vaporized the whole summit. The cedar beams would have exploded into flying embers, the brass latch hardware would have melted into glowing puddles, and the granite flagstones would have boiled into pumice.

The cooling loop took the hit instead.

*KA-THUMP! KA-THUMP! KA-THUMP!*

Deep in the bedrock galleries beneath the eight titanium towers, high-pressure differential transducers caught the spike. Massive pneumatic solenoids cracked open with the hollow smack of twenty-millimeter autocannons.

Thousands of gallons of pressurized liquid nitrogen, forced through the subterranean conduits at eight hundred and twenty PSI, slammed into sixteen banks of micro-finned titanium radiator cores.

The phase change was instantaneous and brutal.

Subzero liquid sucked up the heat wave, flashing into superheated gas that blew out to seven hundred times its original volume.

Up in the cowlings, the eight fifteen-foot draft fans spun up. High-torque magnetic motors caught the emergency bypass current, screaming from a dead stop to three thousand RPM before the sound of the valves could finish echoing:

*SCREEEEEEEEEECH-ROAR!*

Six-bladed titanium impellers chopped the mountain air into a blur of howling draft, pulling hundreds of thousands of cubic feet through the frost-rimed radiator stacks every minute.

Eight white geysers of superheated dry steam punched through the tower cowlings, rocketing two miles straight into the storm clouds like the booster stacks of Saturn V rockets firing all at once:

*PSSSSSSSSSSSSSSSSSSSSSSSSSSSSHHHHHHHHHHHHHHHH!*

The granite beneath his boots hummed. The roar of the exhaust drowned out the thunderhead churning overhead.

The heat sink took ten gigawatts on the chin and bled it out harmlessly into the jet stream.

Austin stood on the cedar deck. The planed boards under his soles didn't smoke. The handrail stayed cool as river stone. Beside his drafting table, his ceramic mug of jasmine tea sat right where he'd left it, the dark surface showing nothing more than tiny concentric ripples.

"Cooling loop held," Austin said, tapping his pencil against his thigh. "Line pressure stabilized at seven-forty PSI. Return loop temperature inside the safe band. No scorched lumber. Vault 04 titanium scrap paid for itself right there."

He glanced down at his boots.

Around his steel toes, eighty-four fresh bits of debris cracked into orbit like snap-caps:

*SNAP-SNAP-SNAP-SNAP!*

Two hundred and eighty particles now. Obsidian chips, hardened cold-iron filings, titanium-carbide ball bearings, flecks of slag, and dense droplets of molten star-gold tore around his shins in five nested, counter-rotating rings. They moved fast enough to blur into a set of golden spinning discs, throwing off a low, heavy electrical drone:

*VZZZZZZZZZZZZZZZZZZT!*

The localized gravity field jumped straight to **Twenty-Five Times Earth Gravity (25.0G)**.

The lead ballast slugs stitched into his thigh pockets dragged downward like dead engine blocks. The six hardened washers inside his boot soles groaned against the steel shanks. His two-pound pine clipboard suddenly felt like fifty pounds of cast-iron skillet hanging from his wrist.

Austin braced his core, tightened his lats, and kept his spine plumb. He held the fifty-pound board level with one arm, his boots planted square on the joists.

Then the sky went crazy.

The First Epoch Containment Mesh locked down ninety-nine point nine-nine-eight percent of the fusion fury, but you can't strike a five-million-degree match inside the atmosphere without leaking some light.

Above Sunset Peak, a three-hundred-foot ball of solar corona ripped through the summit mist.

It hung above the timber ridge like an unauthorized miniature sun, crowned in curling plasma loops.

*CRACK-BOOM!*

Blinding gold light skewered the purple tribulation cloud bank like a thousand spotlights punching through black grease. The midnight gloom vanished.

Across the Western Continent, across the Southern Deserts, and all the way north into the palace courtyards of the Great Yan Dynasty, night ceased to exist.

It was midnight on the clock.

Yet thirty mortal kingdoms and three sovereign empires got dropped square into shadowless, blinding **high noon**.

In the imperial capital two thousand miles away, the Chief Astrologer dropped his heavy brass astrolabe onto the marble tiles, grabbed his chest, and screamed until his voice cracked:

*"THE SECOND SUN! A SECOND SUN RISES IN THE SOUTH! THE HEAVENS HAVE BIRTHED A NEW STAR! THE CELESTIAL POLES ARE TORN ASUNDER!"*

Roosters in ten thousand sleeping villages woke up in a frenzy, crowing their throats raw:

*COCK-A-DOODLE-DOOOOOOO! COCK-A-DOODLE-DOOOOOOO!*

Barn owls and chimney bats lost their bearings and plummeted out of the trees, smacking into garden walls and haystacks. Nocturnal timber wolves dove headfirst into burrows, scratching frantically at the gravel to escape the searing sky.

Down the slopes of Mount Clear Sky, fifty thousand trench laborers dropped their shovels, fell into the muck, and wept into their shirts:

"The Sovereign lit the dawn! The First Epoch has arrived! The True Sun walks the ridges!"

Up on the porch, Austin stepped toward the railing and caught the full bounce-back off the clouds.

Ten thousand magnesium flares right in the eyeballs.

"Agh—christ! My eyes!"

Austin clamped his lids shut, threw an arm over his forehead, and stumbled back two paces.

He fumbled at the heavy canvas pouch on his tool belt, unsnapped the molded plastic case with his thumb, and dragged out a pair of double-tinted **Polarized Shade-14 Arc-Welding Goggles**.

He yanked the wide elastic strap over the shell of his midnight-blue Sovereign Hard Hat, hauled the goggles down, and slammed the mirrored dark-green lenses over his work spectacles with a crisp, rubbery *clack*.

The searing white blowout dropped instantly into a calm, muted emerald wash.

Austin stood at the rail with his feet wide, hands jammed on his hips, staring at the heavens with the sheer, bitter disgust of a superintendent looking at a subcontractor's botched drywall.

"Who the hell approved this lighting engine?!" Austin barked at the sky. "The HDR bloom is completely blown out! It’s like some first-year intern pushed a post-processing shader to the live build without testing dynamic range on a single monitor! Cranked the global exposure slider straight past eleven, blew out the highlights, and turned off ambient occlusion!"

He slapped his grease pencil against the clipboard:

"You can't even see the ridgeline without shade-fourteen welding glass! It’s an unplayable visual bug! Who signs off on this garbage?!"

Two miles overhead, the purple storm vortex coiled in raw, insulted fury. Baffled and enraged by the ignition of an illegal second sun on a mortal peak, the giant violet eye of the tribulation storm began spooling five hundred million volts of high-amperage lightning.

Austin reached up, slid the welding goggles down the bridge of his nose half an inch, glared into the center of the gathering lightning strike, and checked his pocket watch.

The copper lightning spires were grounded. The capacitor bank in the basement was stone cold.

The superintendent was ready for the inspection.

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