Becoming the Dark Lord [LitRPG]

Luke stared at the corpse in front of him—the final thug who'd nearly ended him. Princess Charlie was barely functional now. Only her torso, one arm, and her skull remained intact. She wasn't getting back up.

Then William charged.

Luke hurled a throwing knife. William sidestepped with ease—his hand raised.

CRACK! A bolt of blue lightning struck Luke square in the chest. His body convulsed. He collapsed backward, muscles twitching, nerves on fire.

"I warned you," William said, calm and cold. "I'm the hunter here." He raised a sword in one hand, lunging.

Luke rolled, barely avoiding the blow—

FOOM! A fireball erupted beside him, lighting up the night in a blinding flash. The shockwave slammed into Luke like a hammer, and he threw both arms up to shield his face as the blast hurled him to the ground once more. Dirt and heat exploded around him.

William didn't flinch. He didn't even blink. The blast had gone off dangerously close, but he didn't seem to care.

Luke gritted his teeth, rolled onto his side, and pushed himself up. Without wasting a second, he bolted, sprinting into the trees—vanishing into the dark underbrush like a ghost slipping through smoke.

"You were dead to us," William called out. "If you'd stayed hidden, you could've slipped away after we got the key."

Another fireball.

BOOM. The blast rocked the forest as Luke ducked behind a fallen log.

"You could've waited. Used the portal once we were gone," William said casually, as if they weren't standing in the middle of a massacre. "But no. You only found the balls to fight back because you found a way out… didn't you?"

Luke's breath hitched.

William knew.

"Of course I'm right," William said, chuckling. "You think I cared about the others dying? They were shields—just there to clear the way to the key." He laughed—sharp, bitter. "And the moment you stepped out of hiding, I knew you had it. Because it's exactly what I'd have done."

Luke darted from the trees, twin kukris spinning from his hands.

Another fireball. Another lightning bolt. He dodged one, almost dodged the other. He barely made it behind a boulder, chest heaving, heart pounding out of rhythm.

"You think you can just wait for me to run out of mana?" William taunted. "I've got potions. Took plenty from the dungeon. I can do this all night."

BOOM. BOOM. BOOM. Fire rocked the clearing. Luke dove behind another tree—
It exploded seconds later, the trunk splintering and crashing to the ground.

"Thought you had one more second, didn't you?" William laughed, sending another arc of lightning toward him.

Luke screamed as it struck—muscles locking for a heartbeat—before collapsing behind another tree.

Then silence.

"I'm curious," William said, his voice drifting through the trees. "The skeleton. How'd you manage that? Is it some kind of class synergy? Summoning trick?" His footsteps made no sound. He was moving carefully now.

Luke's legs were trembling.

I'm going to die.

He couldn't move fast enough. His body felt like it was shutting down.

"Give me the key," William said softly, "and I'll let you leave."

The words hung in the air. And a part of Luke—exhausted, battered, alone—wanted to believe him.

"If you throw out all your mana potions right now," Luke said, "I'll hand it over."

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William barked a laugh. "Not bad. You almost had me. But it doesn't matter. You're not getting out of this alive, and you know it."

"Why?" Luke said, stalling, trying to think. "I just want to reach the tutorial…"

He needed time. A plan. Anything. Charlie couldn't help him now. He couldn't get close enough to land a hit. And every blade he threw—William dodged it.

"Even before the system," William said, tone light, like talking about the weather, "this is what I did. The system just made it more fun."

Then—he appeared. Charging. Fireballs blazing in each hand.

Luke pushed forward, running straight at him. But William's hand snapped out—

CRACK! Lightning froze him mid-stride. His limbs locked. His vision went white.

Then the fireball hit.

BOOM.

Luke hit the ground hard, rolling through dirt and ash. He pushed himself up and stumbled toward a nearby tree. His left arm was done—completely useless. The pain screamed through his body every time he tried to grip his kukri.

"This is how it always ends," William's voice echoed behind him. "You die. I get stronger."

Luke's chest tightened. Fear was growing—faster than his legs could carry him—chasing him through the dark as he darted between the trees.

"Keep running. It's in your nature," William taunted.

Luke stopped. He leaned against the tree, gasping for air.

My nature...?

And then—something shifted. A flicker of clarity. A single moment of silence amid the chaos. The kind he'd only ever felt in rare, razor-sharp flashes. A stillness where the world seemed to vanish. And only the target remained.

I'm an assassin.

An assassin doesn't need to be the strongest warrior—he just needs to be deadly when it's time to kill. Limited in physical strength and defense, but his blade shines with mastery when striking down his target.

He inhaled slowly. Deeply. Centered himself. And stood.

William fired a bolt of lightning. But all he saw was a blur of black vanishing between the trees. He adjusted his aim, tracking the boy, but the lights were going out.

One by one, the torches flickered, sputtered, then died.

Luke was extinguishing them as he moved—swallowing the camp in darkness. Water barrels crashed down, soaking the burning grass and drowning what little light remained. The fire faded.

And with it—sight.

The world around William vanished into a shifting wall of shadow. Only the distant glow of burning trees remained, flickering in the background. Shapes danced in the corner of his vision. Tree limbs twisted into things that weren't there.

"Show yourself, kid!" he shouted—

THUNK. Something stabbed into his leg.

He spun, startled, trying to track the footsteps echoing through the brush. But he hesitated. If he cast now—he'd be vulnerable. He couldn't waste it.

THUNK. Another blade in his back.

Then rustling in the bushes. More movement.

Knives came flying from different angles.

But in that direction—there was no light. No shadows. No depth. Only void.

He spun again. The footsteps came from the left. Then the right. Then behind. Then front.

He cracked, hurling a fireball blindly—

BOOM.

The explosion lit up... nothing. Just more blackness.

William breathed heavily, chest rising and falling with ragged rhythm. But now, something worse was building in him—frustration.

A shadow darted—too fast to track. A black blade cut into his leg. He screamed.

And then he heard it. A human scream. Raw. Loud. Furious. It came from nearby. Too close.

William turned and fired again—reflex only. The fireball smashed into something charging at him. The body collapsed, flames curling over it.

But then he saw—

It wasn't Luke.

It was a corpse. Thrown at him to bait the shot.

"WHERE ARE YOU?!"

"Here." A voice answered. Calm. Icy. Close.

William looked up. A figure dropped from a tree, silhouetted by the last flickers of firelight. A blur of motion. Blades drawn. A ghost draped in shadow.

He couldn't explain it—but in that moment, William felt something he hadn't felt in years.

Fear.

The blade sliced through the dark—silent, swift. A black flash across the void, like thunder with no sound.

The strike landed clean. Straight to the head. The obsidian kukri sank deep—tearing through flesh, splitting bone.

CRACK.

The sound echoed inside William's skull as the blade punched through with brutal force. His body convulsed. Every muscle locked in a final, involuntary spasm. His fingers twitched—opening and closing as if trying to grasp something that was no longer there.

Blood trickled down his face. His knees buckled. He collapsed forward, cheek hitting the cold dirt. The last warmth of his body clashed with the creeping chill of death that wrapped around him.

His mind started to fade. Breaths came shallow. Each second dragged into eternity. The only thing left was the weight of the void. The silence.

Even in the darkness… everything grew darker.

But in that final moment, he saw them.

Eyes. Staring back at him through the void. The boy's eyes.

Predator's eyes.

Not just a hunter.

An apex predator.

William's lips twitched. A faint laugh escaped—dry and broken.

"Careful not to get swallowed by that darkness…" he whispered.

Then his eyes closed. His body went still. Life slipped away.

And then—

Nothing.

[You have slain a Human - Lvl 4 (Mage - Lvl 10)]

**[You have reached Level 4! Half-Demon (Rank F)] (+1 bonus point to all attributes, +1 free point)**

**[Princess Charlie has reached Level 2 – Skeleton (Rank F)] (+1 bonus point to all attributes, +1 free point)**

*Your class [Assassin] has reached Level 8! (Class Bonus Points Acquired)*

Luke stood over the body, swaying.

He exhaled, weakly.

"I won…" he whispered.

Then his legs gave out.

He collapsed to the side, breath hitching.

And then—

[WARNING: CLASS [ASSASSIN] IS UNDERGOING MUTATION]