Player who Returned 10,000 years Later

"Sa… tan."

Hahaha.

He heard a demon’s laugh.

"You…"

Anger he couldn't resist rose from inside.

His head was hurting. Rather than the physical pain from being stabbed, the fact that Lucis did it hurt more.

His sight blurred, and he felt his consciousness and rationality fading away.

Madness filled his head.

"SA… TAANN!!!"

BOOM-!!

He pushed Lucis aside and stomped on the ground.

His ten wings opened up, and his voice was filled with madness.

His body shot forward before his voice even reached Satan, and he raised his hand, summoning a black sphere into it that he then crushed.

[Looking good,] Satan, no, KangWoo, who was behind the mask, said.

'So it worked.'

Lilith had brainwashed Lucis, and it was a psychological attack using him.

Lucifer was already tired after fighting against the Demon Cult, so the damage caused by it was huge.

Even at first glance, it was clear that he was weaker than the Lucifer he fought against while in the Hell of Nine Skies.

A smile appeared on his face.

He raised his hand and looked at Lucifer’s fist.

'Sky Break.'

Two Authorities clashed.

BOOM-!!

The ground shook.

A sound similar to the one caused by an earthquake spread through the surroundings.

He stomped on the ground and jumped into the air, waving his hand and shooting blades from the darkness that covered his body.

"YOUUU!!!" Lucifer shouted.

Demonic energy flickered and spread.

The swords KangWoo shot were deflected away by the demonic energy and fell to the floor.

'He's still an archduke despite having been weakened, huh?'

Among the seven archdukes, Lucifer was ranked third.

He was strong even if he was tired or wounded.

'But…'

The tips of his mouth went up.

He could beat him.

"You piece of trash!!! Crazy bastard!! How could you do something like this?!" Lucifer shouted as if he were about to have a seizure.

It was a normal reaction based on the situation.

He'd made a son stab the chest of his father, and there was nothing more evil than that.

He couldn't help but laugh after seeing 'Lucifer' say that.

[…]

KangWoo remained silent.

He couldn't help but get angry at Lucifer's words.

- Mr. KangWoo…

- I'm sorry.

A memory of the past brushed through his mind.

He remembered a moment from before he was called Demon King when he was battling against the seven archdukes.

He remembered the words that his underlings said before dying.

Back then, Lucifer's forces were overwhelmingly stronger than his.

He thought of his underlings that were forced to hug bombs and run toward their allies.

The memories he'd tried to forget came back to his mind.

[Bullshit,] he said in a low voice while looking at Lucifer trembling in anger.

He didn’t believe the phrase, ‘you reap what you sow.’

In most cases, the person that reaps and the one that sows are different.

Still, hearing the demon, who had used his underlings to execute a lot of shady tactics, say something like that made him frown.

[Didn't I say it before?]

Who cared about morals in a fight between demons?

Who makes concessions and compromises?

If you make a concession, you die; if you make a compromise, you lose.

To survive, you need to be without scruples.

Answer evil with greater evil…

A killing intent with a bigger killing intent…

The moment you forgot that, you would get devoured.

[What were you expecting in a fight between demons?]

"Satan, I'm going to kill you."

It seemed like he couldn't hear his voice anymore.

Lucifer was emitting a strong killing intent and frowning.

'Yes, this is more like it.'

He laughed while looking at the anger-filled Lucifer.

Seeing Lucifer lose his mind was fantastic.

Rather than hurting him, that was better.

The angrier someone became, the simpler their actions became.

KangWoo narrowed his eyes and analyzed Lucifer's movements.

'He's coming.'

BOOM-!

Lucifer kicked the ground, and his wings spread out.

Thousands of feathers flew toward him.

'Authority of Insight.'

The eyes behind the mask shone.

The trajectories of the thousands of feathers entered his mind.

He lowered himself and started to run.

As if he were running through bombs, he ran while dodging the feathers infused with demonic energy.

He spread his right hand, and the Key of the Demonic Energy Sea took the form of a red spear that he grabbed and threw.

"You shouldn't have touched my son," Lucifer said while looking at him intensely.

* * *

He clapped, and a black sphere appeared and deflected the Key of the Demonic Energy Sea away.

Lucifer put his hand inside the black sphere and grabbed a weapon—a spear appeared in his hand.

'Arrogance.'

It was Lucifer's Hell Equipment, and it represented his strength.

It was a powerful weapon that defined his existence.

Lucifer pulled his body back and rushed at KangWoo while gripping Arrogance in his hands.

Slash-!!

At that moment, a fire whip hit Lucifer.

He turned his head and frowned.

"You…"

[I'm Mr. Satan's loyal underling, Yogsaron,] A demon covered with green tentacles said in a low voice.

'Yogsaron?'

It was a name he'd never heard before.

Lucifer shook his head after thinking about it for a while.

It wasn't the time to think of things like that.

"Soldiers of Arrogance…"

He gave an order to his underlings.

"Punish the demon who dared to point a sword at me, Evil God Lucifer."

[Yes!!]

[Die!!]

Lucifer's underlings rushed forward while shouting, but there weren't that many.

Due to the constant fighting against the Demon Cult, their numbers had been reduced.

[Balzac…]

[Yes, Satan. Please give me an order.]

A skeleton wearing a black robe appeared from the black fissure where Satan had appeared.

He touched the black communication crystal while laughing in a chilling way.

He'd asked him to give him an order, but in that situation, there was only one thing that KangWoo, no, Satan would ask of him.

[Kill them all.]

[Everything as Mr. Satan wishes.]

Demonic energy exploded from the communication crystal.

The bodies of the demons that had died during the war started to get up.

"GRRRR!!"

Tap- Tap-

A knight appeared from the fissure and went to the front as if he were leading the army of undead.

[Hahaha,] Balzac laughed evilly.

His empty eye sockets shone with a yellow light.

[Go, Reinald.] He said the name of his death knight.

The death knight sitting atop a skeleton horse unsheathed his sword.

"UOOOO!!" the ghost shouted.

The undead army and Lucifer's forces clashed.

"Satan…"

Lucifer narrowed his eyes.

"So you're going to take this to the end."

[If not, I wouldn't have started it from the beginning.]

KangWoo kept talking with a relaxed expression on his face.

Everything was going as planned.

'The problem is the angels that are trying to get Lucifer.'

He wasn't that worried about that, either.

'Angels aren't going to be able to tell that I'm a demon.'

He was sure of that.

Thanks to the attribute 'Ruler of Demonic Energy' he'd awakened as a player, he became able to hide the traces of demonic energy completely.

Neither Hero God Tyrion nor the goddess Begonia from another world could tell he was a demon.

Tyrion learned that only after he became connected with him, but he would have no reason to do such an exchange with an angel.

'In the end, the one angels are going to target…'

They were probably going to target the 'Phase of Evil', the one who still hadn't appeared.

A smile appeared on his face.

Just like he'd done with Lucifer and the Demon Cult.

As a member of Guardian, the warrior of Light, Oh KangWoo, he just had to make them fight and profit from it.

'Although I'll have to hide Balrog and Balzac.'

His underlings were connected to his soul, so they could also profit from 'Ruler of Demonic Energy.'

Deceiving angels wasn't the problem, but even if Balrog and Balzac could hide their demonic energy, the problem was their outer appearance.

Balrog looked like a demon that appeared in drawings, and Balzac was a skeleton.

Just because they wouldn't be able to feel demonic energy from them didn't mean they were safe.

Echidna and Lilith were safe since they had a human form, but he would have to hide Balzac and Balrog very well.

'But it's still going to be a profit.'

There was nothing better for him than angels actively moving to catch the Phase of Evil instead of him.

He would have to thank Lucifer for bringing the angels to Earth.

'Very nice.'

He couldn't help but smile after seeing everything going as intended.

[Let's end this.]

KangWoo spread his hand, and a huge amount of demonic energy gathered.

"…"

Lucifer glared at him while holding 'Arrogance.'

The fight was about to enter its last phase.

Then…

BOOM-!!

'What?'

Something flew from the sky and slammed into the ground.

KangWoo and Lucifer looked at the unknown thing that came flying in out of the blue.

[I'm death.]

'Huh?'

It was a demon wearing a red mask with darkness that covered its body like a certain.

[I'm the end.]

'Hey, wait… Fuck.'

His mouth fell open.

The red mask covered with darkness kept talking.

[I'm the father of everyone angry and anger itself.]

'What the…?'

[I'm…]

'What's going on?'

Yellow eyes opened up behind the red mask.

[I'm Satan.]

"…"

"…"

There was silence.

The being wearing a red mask turned his head.

[Lucifer, I came here to talk. I'm not sure what happened, but it seems like there was a misunderstanding. I don't have any intention of fighting with …]

Satan, who was talking, flinched a bit after looking at the situation.

KangWoo and Satan looked at each other.

[What's going on? Who are you…?] he asked in a confused voice.

At that moment, he remembered what he'd heard from Yulia.

[I see! You're the one that's pre—]

BOOM-!!

KangWoo aggressively stomped on the ground, spread his hands, and pointed at Satan.

[Ha! How dare you pretend to be Satan! Aren't you afraid of dying?!]

[What? Pretend? What non—]

[Shut up!]

[No, but you're—]

[How dare you talk as if you were me, Satan!]

He spread his hand and used the Authority of Flames toward Satan.

[I'm Satan!!!!] he shouted in an angry voice.

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