Player who Returned 10000 years Later

Updated: Feb 21, 2026

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Chapter Summary

Player who Returned 10000 years Later• Chapter 256

”With a demonic monster like a Halcyon, it didn’t matter how much demonic energy he had, he wouldn’t be able to use the Authority of Subordination on her. ’He already knew that ancient demonic monsters and Behemoth had begun moving strangely, but he hadn’t thought that much about it because it was something that was happening in Hell. In the case of other ancient demonic monsters, there probably wouldn’t be a solution unless one of them died.

Chapter 256“Oh… KangWoo…”“Yes, that’s my name.

”“C-can I call you M-Mr.

KangWoo from now on?

”She looked at him with shining eyes as if she were an abandoned dog that had just gotten adopted.

KangWoo smirked and nodded.

Halcyon’s expression brightened.

She was clenching her fists and trembling in excitement.

‘Ah, I’m feeling guilty…’Still, he was a person, so he couldn’t help but feel guilty after seeing her so happy.

His shoulders were starting to feel heavy.

‘Besides that…’There was something he had to do.

“I have a condition.

”“C-condition?

”Her eyes were trembling in fear.

KangWoo kept talking calmly.

“Become my subordinate.

To be more precise, a familiar spirit.

”With a demonic monster like a Halcyon, it didn’t matter how much demonic energy he had, he wouldn’t be able to use the Authority of Subordination on her.

That wouldn’t be a problem if Halcyon wanted to become his subordinate.

If that were the case, the chances of the Authority of Subordination succeeding increased greatly.

‘This is why I took the time to do all of that.

’If he took her out in her current state, she’d immediately realize that it wasn’t just KangWoo who didn’t find her disgusting.

From her point of view, the number of saviors would greatly increase.

All the emotions that she was currently feeling would probably decrease as well.

‘Before that…’He needed to make things sure.

He needed to put the chains called the Authority of Subordination on her—one that could make her not able to go against his orders.

“Familiar… spirit?

”Halcyon’s eyes widened.

She nodded without hesitation.

“Y-yes!

I, I’ll do it!

I… I’ll become your familiar spirit!

”“…”He wasn’t sure if she said that while knowing what becoming a familiar spirit meant.

In the cases of Balrog and Lilith, it was different—they weren’t chained by the Authority of Subordination.

Kim ShiHoon and Echidna were chained to it, however.

‘Those two…’They couldn’t go against his orders.

He couldn’t give them any order that went against their survival instincts, but besides that, they couldn’t go against his orders.

For example, he’d controlled Kim ShiHoon numerous times.

‘Well, I guess it doesn’t matter.

’It didn’t matter to him if she knew what a familiar spirit was or not..

A scammer didn’t need to think about what would happen to the person signing the contract.

‘…Although I’m not a scammer.

’At least he hadn’t lied to her.

It was true that he found her beautiful, and the condition for him to take her was to turn her into his familiar spirit.

Who would dare to call him a scammer?

“Good.

”KangWoo extended his hand and touched Halcyon’s shoulders.

Demonic energy rose from within him.

‘Authority of Subordination.

’Whir-!

An immense amount of demonic energy flew out of him.

The demonic energy was so thick that it didn’t feel like a liquid and flowed into Halcyon’s body.

Halcyon closed her eyes and accepted the demonic energy without offering any resistance.

A chain was put on her soul.

Ting-[The target has accepted the ‘Authority of Subordination’ without offering any resistance.

][The chances of the ‘Authority of Subordination’ working on the target have been slightly increased.

][The Authority of Subordination has succeeded.

‘Halcyon’ has been registered as your Familiar Spirit.

]‘Good.

’He felt that his soul was connected to her.

A smile appeared on KangWoo’s face.

He had gotten another important ally that could face an archduke after Balrog and Kim ShiHoon.

“Ah, aah.

”Halcyon let out an exclamation while holding her chest.

KangWoo looked at her as she was trembling.

‘She really doesn’t have a chest.

’It was enough to make him think that Echidna’s chest was quite big.

He shrugged his shoulders and turned around.

‘That’s none of my concern.

’It wasn’t that he liked flat chests—just like any other man, he liked glamorous bodies, but it didn’t matter if Halcyon was flat or big-chested.

‘I already belong to someone.

’He couldn’t help but smile after thinking about Han Seol-ah.

He already had a perfect woman like her, so he did not need anything else.

“Th-thank you.

Thank you.

Sniff.

”Halcyon cried.

KangWoo made a complex expression.

It felt weird being thanked for having turned her into someone that couldn’t go against the orders of her owner.

“Well… let’s leave presentations for later.

”There was another important thing that had to be resolved.

“There are a few things that I want to ask.

”“Ask…?

”Halcyon tilted their head.

“How did you get here?

”“Ah…”Halcyon looked around.

She kept talking in a low voice.

“I… I’m not sure.

My memories before getting here… are fuzzy.

”“Your memories are fuzzy?

”“Yes, yes!

”KangWoo narrowed his eyes.

She couldn’t lie because of the Authority of Subordination.

“Since when are your memories fuzzy?

”“That… It… it hasn’t been that long.

A-about a year?

I… I’m not exactly sure.

I… I’m sorry.

”She lowered her head as if she’d committed a capital crime.

‘A year ago…’It wasn’t a short time, but it wasn’t long for demons and demonic monsters—beings that had eternal life.

KangWoo tried to remember the past.

If it was a year before, it was about when Balrog had been summoned to Earth by the Demon Cult.

‘If her memories became fuzzy at that point…’There was one thing that he could think of.

“There’s nothing you can remember?

”“N-no.

That’s not it.

Although a little, there are a few things that I can remember.

”“Tell me everything you can think of.

”“Hmm… I don’t remember well… B-but I was walking toward somewhere.

”“You were going somewhere?

”“Yes.

It was as if I was under hypnosis… I felt that I had to go somewhere.

Th-that’s why I kept walking toward somewhere.

”“And you were already here when you noticed?

”“Y-yes!

Th-that’s right!

When I came back to my senses, I was already here!

”“…”KangWoo remained silent.

He turned his head toward Balrog, who was puking beside him.

“Balrog, since when did ancient demonic monsters begin acting strange?

”[About a year ago… From that point, the ancient demonic monsters began moving out of their nests.

]“What are the confirmed ancient demonic monsters?

”[Vulcatus, ouroboros, raksasha, of course, Halcyon, and…]Balrog hesitated for a moment.

[We’ve also confirmed that Behemoth has moved.

]* * *“…”Behemoth…The king of demonic monsters and father of Archduke Leviathan.

Even KangWoo hadn’t heard many things about him.

‘If Behemoth comes, things might get troublesome.

’Leaving other ancient demonic monsters aside, not even KangWoo could take Behemoth lightly.

‘Her consciousness became fuzzy, and she was going somewhere…’And when she came back to her senses, she was already there.

He began organizing what he’d heard from Halcyon.

“…”KangWoo frowned.

‘I don’t know.

’He lacked information.

“Do you remember why your consciousness became fuzzy?

”“I… I’m not sure.

It… it was too sudden…”“Do you know something about other demonic monsters like Behemoth?

”“I… I’m not sure.

I’ve never seen him.

I… I’m sorry for not being of help!

”Halcyon was crying while saying, ‘Please, don’t abandon me’.

KangWoo placed his hand on top of his forehead.

‘Something is going on.

’He wasn’t sure if that had happened at someone else’s influence or not, but after the archdukes and he disappeared from Hell, something began to change.

“Damn it.

”A short curse left his mouth.

After clearing up Satan, he thought he could finally relax, but he ended up hearing ominous information.

‘Although I already knew that.

’He already knew that ancient demonic monsters and Behemoth had begun moving strangely, but he hadn’t thought that much about it because it was something that was happening in Hell.

The situation had changed.

He wouldn’t care if it was something that was happening in Hell, but if it were on Earth, that was a whole other story.

“How annoying…”The biggest problem was that there wasn’t anything he could do.

He had no way to go to Hell, so there was no way to find the culprit.

Not only that, but there was no way to stop the things that were happening.

“Balrog, is there a way to contact Hell?

”The Demon King’s army was still in Hell.

Since Balrog and Lilith had disappeared, he wasn’t sure what had happened to them, but he was sure they hadn’t been eliminated easily.

[There’s none.

]Balrog shook his head.

KangWoo sighed.

‘I guess the only thing I can do is wait.

’He wasn’t sure if it was something that could be solved by waiting.

“Let’s go back…”KangWoo turned his body after thinking about it for a while.

He couldn’t see any solution at the moment.

‘The only solution…’Was to keep finding the ancient demonic monsters that appeared in gates and kill them.

‘I’m sure it won’t be as easy as with Halcyon.

’She was the exception.

In the case of other ancient demonic monsters, there probably wouldn’t be a solution unless one of them died.

“Tsk.

”He clicked his tongue.

‘I guess there’s nothing I can do.

’It seemed like the only thing he could do was deal with them as they began appearing on Earth.

‘I need to increase my ability to control demonic energy faster.

’Since it became like that, the best solution was to devour the ancient demonic monsters through the Authority of Predation and increase his strength.

To do that, he needed to surpass the barrier of 150.

“C-can I really follow?

”“Yes.

”As he nodded, Halcyon began following him.

She smiled happily while grabbing the ends of his clothes.

‘I’ll probably have to explain things to Seol-ah as soon as I get there.

’KangWoo went in the direction of his house while making a confused expression.

* * *“Mr.

KangWoo’s new familiar spirit?

”“Yes.

”“Is it a case similar to Echidna…?

”“Well, yes.

”Although it wasn’t exactly the same, it didn’t change the fact that they were both his familiar spirits.

There was no big difference.

Han Seol-ah looked at Halcyon with great interest.

“Eek!

”Halcyon hid behind KangWoo.

It was similar to how Echidna first reacted.

“…”Echidna was looking at Halcyon with an expression that showed she was annoyed.

She grabbed KangWoo’s arm and spoke to Halcyon.

“KangWoo’s mine.

Don’t try anything funny, newbie.

”‘Are you a superior that prays on the newbies?

’KangWoo patted her while making a fake laugh.

“I’m going to make her sleep in my room.

“In Mr.

KangWoo’s room?

”“Yes.

Look at her state…”Halcyon was trembling, making a pale expression while holding onto KangWoo.

‘There’s also her personality issue.

’There was a certain characteristic of ancient demonic monsters…Just like cats, they liked to create a nest and stay there.

It was the first time she’d come to his house, so it was the time when she would probably be the most afraid.

“Ah, I see.

Then how about dinner?

”“We don’t need food.

”“Hmm… Then I’ll bring in a blanket and a pillow.

”“Thank you.

”KangWoo turned to Halcyon.

“Let’s go.

”“Ah… Yes, yes!

”As soon as he entered his room, Halcyon followed him.

After entering his room, her expression brightened.

“You should be tired, so let’s sleep.

”After the battle with Halcyon and everything they talked about, he was tired.

KangWoo lay the blanket on the floor so she could sleep.

Halcyon nervously looked at him.

“C-can’t we sleep together…?

”“Hmm?

”It was an unexpected proposal.

Halcyon quickly lowered her head.

“N-no!

I’m sorry.

I… I was presumptuous a-and said something strange!

I… I’m sorry!

”“…”KangWoo looked silently at her, who was crying as if she’d said something horribly wrong.

He sighed.

‘It isn’t that I don’t like the idea.

’If they asked him if he liked or hated the idea, the answer would probably be the first option.

Who would hate the idea of sharing the bed with a beauty like Halcyon?

‘I feel sorry for Seol-ah.

’He felt that he would be doing something wrong.

After thinking about it for a while, KangWoo spoke in a low voice.

“Only for today…”He’d made her his familiar spirit through the Authority of Subordination, so sleeping with her for one night was nothing.

‘After all, it’s just sleeping together.

’He wasn’t at risk of not being able to handle his desires.

If he couldn’t resist such a temptation, he wouldn’t have been able to handle the desires that a demon’s body brought.

“Th-thank you!

”Halcyon clenched her fists while making a bright expression.

He smirked at how innocent she looked.

Tap-.

=He turned off the light and lay on the bed.

“Hehehe…”Halcyon smiled while laying next to him.

While laying on the bed, KangWoo began thinking about everything that had happened that day.

‘Since it became like this, I can help but think that it’s too bad.

’If Balrog had reported things properly and he’d met Halcyon 900 years ago, maybe life in Hell would’ve been better.

‘Akiyama, you were right.

’He remembered the crazy Japanese Demon Cult member that had summoned Lilith.

‘There was romance in Hell.

’It was just that he hadn’t been able to find it.

Even in Hell, there was a hidden jewel.

“Hehe… Mr.

KangWoo.

”Halcyon approached him.

“Hey, don’t get too close…”Then…“Huh?

”He felt a strange sensation on his thigh.

It was something that made no sense.

It was something that shouldn’t be there.

‘What the fuck?

’KangWoo raised the blanket.

He lowered his head and looked at the hard thing he felt pressing against his thigh.

“Wait…”His face paled.

“You…”“What’s wrong?

”KangWoo kept talking, his mouth open in surprise.

“Were a man…?

”Boing.

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