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Dual Cultivation System: Villain's Harem Conquest

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Synopsis
Wei Liang Chen was a systems engineer in Chengdu. Smart, solitary, efficiently bored. He died of a heart attack at 27, staring at a monitor. He woke up in the broken body of a clan's disgraced son — thrown into a death dungeon by his own family, left to rot at the very bottom of a cultivator world he had no business surviving. Then he touched a black obsidian tablet. And everything changed. [DUAL CULTIVATION SYSTEM — INITIALIZED.] [Villain Path: confirmed. The Heavens have been warned.] Armed with a System built for conquest rather than virtue, Wei Liang Chen begins his ascent — not through hard work and righteousness, but through calculation, ruthlessness, and the one technique every sect secretly fears: Dual Cultivation. Every woman he forms a bond with makes him stronger. Every sect that underestimates him pays the price. Every arrogant genius who sneers at a "trash cultivator" gets a front-row seat to their own humiliation. His harem is not an accident. It is a strategy. This is not a story about a good man who rises to save the world. This is a story about a very intelligent man who decided the world belongs to those who take it. The heavens can object. He has a System. [R-18 · Harem · Villain MC · Dual Cultivation · System · Kingdom Building · Weak to Strong · Transmigration]
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Chapter 1 - The Trash at the Bottom of the World

The dungeon had a rating system.

Wei Liang Chen discovered this on the wall three meters from where he woke up — scratched into the stone in rough characters, the kind made by someone who had survived long enough to find something to scratch with:

Floor 1 — manageable. Floor 3 — bring pills. Floor 7 — I turned back. Don't judge me.

Overall: 1 star. Would not recommend. — Someone who made it out.

He stared at it for a moment.

Someone survived this dungeon and their first instinct was to leave a Yelp review.

I respect that completely.

He filed it under things that don't help right now and got to his feet.

That was when he discovered the second problem.

The pain arrived in the wrong order.

His hands first — palms, specifically, lacerated and scabbed over, tight across the knuckles when he made a fist. Then his throat, which felt like sandpaper over gravel. Then, when he actually tried to stand, his ribs announced themselves so loudly that he had to stop halfway and breathe through it, one hand against the wall, waiting for the white edge in his vision to recede.

Two cracked. Maybe three.

His back he noticed last, the deep bruising underneath everything else, old enough that the body had already started adjusting around it. Not recent. This wasn't from waking up — this was from before. Days of before.

He stood up the rest of the way and took stock of the rest.

Thin. Seriously thin — he could feel it in the way the body moved, a fragility at the edges of every motion, the particular weakness of someone who had been underfed for weeks not days. The qi pathways — and he could feel them, faintly, the way you feel a door in a dark room, by the absence more than the presence — almost entirely blocked.

He started to turn right, toward what looked like a corridor entrance.

His feet went left.

He stopped. Looked down at his feet. They had moved before he'd decided to move them, pulling toward the left passage with the quiet certainty of something that had done this before and remembered the way.

The body knows this dungeon.

Or knew it. Someone brought this kid here before. Trained him here, maybe, or tried to. And whatever they taught him left something behind even after everything else was blocked.

He stood there a moment, genuinely unsettled in a way the cracked ribs hadn't managed.

I'm not alone in here. That's — I need to think about that later.

He followed his feet left.

They seemed to know what they were doing.

What the feet led him to didn't make him feel better.

The dungeon smelled like mineral water and old blood and something underneath — a faint sweetness he couldn't name, coming from the walls themselves, embedded deep in the stone like a memory. Something had been here once. Whatever it was had left only its ghost behind.

There was a skeleton to his left. Armor, mid-grade, old. Whoever they were, they'd died sitting against the wall with their knees drawn up. Which meant they'd had time to choose how they sat. Which meant the end had been slow.

This dungeon can wait you out. Good to know. I won't be waiting.

He checked the skeleton's pouch. Eleven Common Spirit Stones, a manual, a knife with a decent edge. He took all three and started moving.

He found the obsidian tablet forty minutes later, jammed under a guard who had died recently — days, not years. The guard's face was still visible, caught somewhere between surprise and resignation.

The tablet looked like a simple black stone. Smooth. Cold in a way that went beyond temperature. The body's memories offered nothing useful about it — he'd learned quickly that they were fragmentary and emotionally unreliable, more feeling than fact — but something about the way the air sat differently around it made him pick it up anyway.

Could be a trap. Could be valuable. Already at the bottom of a death dungeon, so.

He picked it up.

No thunder. No divine light. Just a violet glow that appeared two feet from his face and resolved into something that looked exactly like a user interface. Clean lines. Clear text. Waiting.

He read it.

He read it again.

A System. Of course. I die at twenty-seven, wake up in a cultivation world, and I get a System. I've read enough webnovels to know what this is. I still can't tell if it's wonderful or terrible.

Probably both.

[Dual Cultivation System — Initializing]

Host: Wei Liang ChenCompatibility: 100.00%

Anomaly detected — value has never been recorded before.

Qi Affinity: CHAOS (Locked)

Current Realm: Body Tempering I (1/10)

Qi Pool: 12 / 100

System Points: 0

Karma: -240

Path: Villain (Confirmed)

!! Host body in critical condition

!! Active dungeon — multiple hostiles detected

!! Estimated survival rate: 3.7%

[First Quest — Get Out Alive]

Reach Foundation Realm I and exit the dungeon.

Reward: 2,000 SP · Shop UnlockedFailure Condition: Death

Note: The System does not wish you luck.

Note: Luck is a stat you have not unlocked yet.

He read the last two lines twice.

The System has a sense of humor. Noted.

Villain Path. Karma at negative two-forty before he'd done a single thing in this world. The body's history — years of being someone's designated failure, apparently, the memories too tangled and raw to read clearly yet.

Villain Path confirmed. The System looked at everything this body has ever done and everything I am and decided: villain.

He considered that for a moment.

...Honestly? Fair.

He dismissed the panel and kept moving.

He had been walking for thirty seconds when the wall moved.

The shadow rat came out of the wall.

It stepped through solid stone the way you step through a curtain — dark qi streaming off its fur in visible tendrils, two red pinpricks for eyes. The System tagged it in his peripheral vision. *Qi Gathering I.* One stage above him.

It looked at him.

He looked at it.

It lunged.

He threw himself left.

The body moved faster than he decided to move — those same reflexes from before, the ones that knew this place. The claws raked air where his throat had been and struck stone instead, throwing sparks, the screech of it sharp enough to hurt.

He hit the ground hard on his cracked ribs.

The pain was white and absolute and he had one second before the rat completed its turn.

He watched it. The shadow qi pooled around the haunches just before each launch — a micro-compression, a tell. The claws were the weapon. Whatever that dark energy was, it was the engine. The engine had a pattern.

Don't dodge.

Redirect.

When it came again he stepped into it instead of away. Felt the claws catch his forearm instead of his chest — skin, not bone. Drove the knife upward with his free hand, found the spot where the qi ran thinnest, and pushed until something gave.

The rat went still.

He stood there breathing. Three seconds. Arm bleeding in three neat lines, and a warmth threading up through his pathways from the contact point — the rat's energy, leaving its body, finding the nearest host.

The System called it Chaotic Absorption.

[Chaotic Absorption — First Activation]

Qi Absorbed: +8 · Qi: 20 / 100

System Points Earned: +15 (First kill of this type — bonus)

!! Note: You are bleeding on a dungeon floor.

!! Note: This is statistically normal for you now.

!! Note: Apologies in advance.

He tore a strip from the dead guard's sleeve, bound the forearm without looking at it too closely, and kept moving.

That was the first. There were more.

He killed the second rat more cleanly. The third, differently — used the corridor's narrowness, forced the angle, let it commit before he moved. He learned the shadow qi signature at close range, its specific frequency at the moment of death.

By the fifth, the pattern was automatic.

By the eighth, he'd stopped thinking about rats.

There was something else happening — the body's reflexes kept surfacing at odd moments, steering him around corners he hadn't consciously decided to take, flinching before threats fully registered. It was useful. It was also deeply strange, sharing a body with someone who wasn't there anymore but had left all his instincts behind like furniture in a vacated apartment.

I keep using his muscle memory. He keeps saving my life.

I don't know how to feel about that.

The dungeon, meanwhile, was doing what dungeons apparently did — escalating. The qi density thickened on each floor. The creatures came in combinations rather than alone. And the architecture stayed too deliberate for a natural cave system, every room exactly as difficult as it needed to be and no more.

A filter. Someone built this to select for something specific. I don't know what yet. I don't need to know yet.

The third room held a sealed door with seven qi nodes humming between them. He sat in front of it for twenty minutes, pressing combinations until something clicked and the door opened.

Inside: a qi recovery pill, a first aid kit, and a message scratched into the back wall in careful, deliberate characters — someone who had time and used it:

If you opened this, you figured out the lock. Good. The pill is yours — I left it because I don't need it anymore. Made it to Foundation II last week. Going deeper tomorrow.

Floor 6 is where it gets real. Bring more than a knife.

— Zhao Wuji. First visit. Definitely not my last.

He took the pill.

Zhao Wuji. Foundation II, going deeper. Confident enough to leave supplies for strangers on the way down.

He sat with that for longer than he meant to. A person he'd never meet, who had stood in this same small room and thought: whoever comes after me might need this.

It was a small thing. The kind of thing that shouldn't land.

It landed.

He didn't examine why. He filed it and kept moving.

He kept moving. The dungeon kept counting.

Twelve hours in, he sat down in a corridor and pushed.

The blockages in his pathways had been softening all day — Chaotic Absorption wearing them down the way water wore down stone, patient and accumulating. One node, somewhere in the meridian from his left hand up through his shoulder, was close.

He found the point of least resistance and leaned on it.

The blockage broke.

Qi flooded the freed channel like a dam giving way — too fast, too much, his left arm going from numb to fire in under a second. Vision whiting at the edges. His body running a loud internal argument about whether this was damage or transformation.

It was transformation.

He rode it out with his back flat against stone and his teeth clenched. When it ended he opened his eyes to a world that was fractionally, measurably different. The qi in that one channel was warm and his and entirely new.

Then the ceiling cracked and the lightning came.

!! Breakthrough Detected

Foundation Realm I — Achieved

Qi Pool: 100 → 800Pathways Open: 1 / 144

!! Tribulation — Minor Grade — Incoming

The Heavens have noted your progress.

They… have opinions.

System Points Earned: +2,000 (Pill-free breakthrough)

Survival Estimate Updated: 31.4%

The first bolt hit him center mass and threw him three meters into the opposite wall.

He lay there a second, ears ringing, and thought with perfect clarity:

The heavens are real and they're already annoyed at me.

Fastest I've ever made enemies with something that large.

The second bolt came faster. He rolled left on reflex — felt it detonate six inches from his face. He was upright before the echo died.

The third he couldn't dodge. He grabbed the newly-opened pathway and pushed every bit of qi outward at the moment of impact — not a shield, a dispersal. Sixty percent scattered. Forty percent dropped him to one knee.

Silence.

He stayed on one knee. Breathed. Let the pathway settle.

Every time I get stronger, the universe corrects for it. I've had managers with this exact policy. I outlasted all of them.

He stood up.

Floor eight was where the dungeon stopped pretending.

Floor eight had a guardian.

He felt it before he saw it — a pressure in the air that hadn't been there on the floors above, something vast and very awake pressing against his newly-opened pathway like a thumb finding a bruise. The System tagged it quietly in his peripheral vision and he stopped walking.

!! Target Detected

Target: Dungeon Guardian — Floor 8

Classification: Qi Gathering Peak

Qi Output: Approximately 8× host

!! Warning: Direct confrontation not advised

Survival Estimate (Combat): 4.2%

Four point two percent. Barely better than when I started.

He looked at the doorway. Beyond it, in the dark, something breathed. Long, slow, each exhale moving the air in the corridor where he stood.

Can't go around it. Can't wait it out. Can't fight it straight — eight times my output means every direct exchange drains me faster than it drains the guardian.

So. Don't fight it straight.

He stepped into the room.

Vast — the largest space in the dungeon, ceiling invisible above, walls far enough apart that the darkness swallowed them. The floor was smooth stone worn down by something heavy that had been pacing here for a very long time.

The guardian stood at the center.

Human-shaped, once maybe. Two legs, two arms, a head — but the shadow qi had done something to the proportions, stretched and thickened everything, wrapped the whole figure in a darkness dense enough to eat light. Twice his height. Its hands ended in claws that had left grooves in the stone floor.

It turned toward him.

He ran.

Not away — at an angle, cutting left toward the far wall, forcing it to pivot. It was fast but massive, the turn coming half a second after he'd already changed direction again. Half a second. That was what he had to work with.

He ran a loop around the room's perimeter, the guardian tracking him, each rotation burning its qi in the constant repositioning. He watched the shadow qi around its limbs. Watched it thin slightly with each failed swing. Watched the pattern of how it moved — always leading with the right side, always planting the left foot first.

Everything has a pattern. Even things that could crush me without trying.

The guardian swung on his fourth pass.

The arm came like a falling wall — he felt the air displacement a fraction before impact, threw himself flat, and the claw tore a furrow in the stone six inches deep exactly where his torso had been.

He rolled onto its blind side and drove the knife into the back of the knee joint. Not deep enough to matter. Deep enough to make it turn again.

It turned.

Good.

Three minutes of this. Four. His lungs burned. The cracked ribs had stopped being background noise and become the main event. But the guardian was slower — not much, but measurably, each rotation carrying slightly less force than the last.

On the fifth minute, it stopped chasing.

Planted both feet. Pulled the shadow qi inward — he could see it condensing, pooling, building in a way none of the rats had managed — and then released it all at once.

Not a strike. A pulse. Darkness spreading across the entire room simultaneously, no angle to dodge, no corner to hide in, the wave reaching him before his body had time to decide what to do about it.

He opened the pathway.

All of it, as wide as it would go — not a shield, a drain, letting the wave pour through him instead of into him the way you let a current carry you instead of fighting it. It hurt in ways that didn't have names yet. It hurt in ways that felt like it was rewriting something at a level below pain.

But it passed.

When he opened his eyes the guardian was smaller. Not physically. But the shadow qi around it had dropped to something closer to his level — it had burned its reserves on the pulse and what was left was running thin.

[Chaotic Absorption — Emergency Use Logged]

Guardian Qi Output Reduced: ~60% of prior level

Qi Absorbed: +180 (Massive — unstable)

!! Qi Overflow Risk: HIGH

!! Stabilize immediately or risk meridian damage

A hundred and eighty points. More than the entire dungeon combined.

Figure out what that means later. Right now—

He moved.

Closed the distance instead of creating it — ducked under the first swing, came up inside the reach, drove the knife into the knee joint three times in quick succession. It went down on one knee. He climbed up the arm — the shadow qi burning his hands, the grip holding anyway — to the shoulder, to the back of the neck, and drove the knife in at the base of the skull.

The same spot that had ended every rat in this dungeon. Scaled up.

The guardian went still.

He fell off it and hit the ground.

Lay there.

His hands were shaking. He looked at them — really looked, with a kind of distant interest — and noted that he'd never had shaking hands before. Not in his previous life, not in a crisis, not ever. The absorbed qi was moving through his pathways like electricity looking for ground, rattling around in channels it wasn't supposed to reach yet.

The System said nothing. No notes. No observations. Just the quiet of something watching.

[Dungeon Guardian — Defeated]

System Points Earned: +1,200 (Dungeon Guardian kill)

Bonus: +800 SP (Vastly outclassed — victory achieved)

Qi Pool: 780 / 800 (Overflow stabilizing)

Exit Detected: 40 meters — North

Forty meters.

He got up.

It took two tries. The body's borrowed reflexes weren't much help with this particular problem — there was no muscle memory for aftermath, apparently, only for survival. He was on his own here.

He walked the forty meters.

The exit was forty meters away. It felt like forty miles.

The exit seal was old. He pressed his palm against it, felt the weak point through the mechanism the way he was starting to feel everything now — as pattern, as data — and pushed until it gave.

The door opened.

Cold air. Real cold. Pine resin, frost, the distant smell of a city waking up somewhere below.

He stood in the doorway and didn't move for a full minute.

Just breathed. Let his hands stop shaking. Let the overflow qi settle into the pathways that could hold it and dissipate from the ones that couldn't. The body's reflexes were quiet now — whatever had been active in the dungeon had receded, leaving him alone in here again. Just him and the shaking hands and the cold air.

Below, in the valley — Qianhe. The city where the Wei Clan lived. Where his elder brother had signed the order. Where everyone who had looked at this body had looked straight through it.

[Quest Complete — Get Out Alive]

Reward: 2,000 SP · Shop: Unlocked

Realm: Foundation I · Qi: 780 / 800SP Total: 6,230Karma: -420 (Villain Path — deepening)

[New Quest — The Trash Comes Home]

Return to the Wei Clan.

Note: The people who sent you here will be very surprised to see you.

Note: The System finds this statistically entertaining.

Statistically entertaining.

He thought about Zhao Wuji, who had left a pill for strangers and gone deeper. About the skeleton who had chosen how to sit. About the body's reflexes that had saved his life three times today without asking permission.

He thought about the shaking hands and the fact that he still didn't have a name for whatever expression that was, and filed it the same way he'd filed everything else — somewhere accessible, for later.

He'd beaten a floor-eight guardian with Foundation I and a borrowed body's muscle memory.

He started walking toward the city.

They wanted to bury a problem.

I've always grown better underground.