Chapter 37: Demon Slayer Blade, Part 9

The battle against Kibutsuji Muzan began.

Unlike in the original story, he hadn’t ingested Tamayo’s poison, so he was at full strength. I faced the culmination of his power and centuries of experience.

While most would be filled with dread, I felt exhilarated.

My heart pounded with anticipation, eager to clash with him.

I drew my sword from my inventory.

We charged at each other simultaneously.

Muzan’s arms morphed into elongated, writhing tentacles, reaching for me. I responded with my newly created Breathing Style.

[Demonic Breathing .Demonic Wave]

Powerful shockwaves radiated from my body, converging on Muzan.

My blade, empowered by the shockwaves, sliced halfway through Muzan’s transformed arms, but his flesh was too dense to cut through completely.

“It’s useless. No one can overcome my regeneration, except for Tsugikuni Yoriichi.”

Muzan’s arms regenerated instantly. I realized I would have to utilize everything I had learned to win this fight.

Muzan’s attacks were coated in his blood, capable of disintegrating the cells of anyone he struck.

“Why aren’t your cells disintegrating?”

Muzan was puzzled.

It was a valid question. Anyone struck by his blood-infused attacks would instantly die.

However, my regeneration outpaced the disintegration.

While it consumed more stamina than usual, my reserves were vast.

At this rate, I could fight for a week.

‘The problem isn’t me.’

I was immortal and could regenerate endlessly, so defeat was impossible. However, Muzan also possessed regeneration, with seven hearts and five brains that he could shift freely within his body.

Even if his head was severed by a Nichirin blade, he could regenerate from the point of severance. Decapitation was impossible.

Even Nichirin blades only slowed his regeneration unless wielded by someone of Yoriichi’s caliber.

And even if decapitated, he wouldn’t die.

He could even split his body into 1,800 pieces to escape, regenerating completely as long as 300 pieces remained intact.

I couldn’t lose, but could I win?

Victory seemed impossible without a new strategy.

‘Wait…’

An idea struck me.

A path to victory.

I retrieved an item from my inventory.

[Domain Creation Ticket.
Create a custom Domain powered by Magic Power and Internal Energy.]

The reward from clearing Jujutsu Kaisen.

I hadn’t needed it before, but now was the time.

A new Domain was the only way to defeat Kibutsuji Muzan.

‘That’s it.’

As I activated the ticket, I focused on a single image.

I only needed one type of Domain.

A Domain that granted infinite possibilities, capable of creating anything I could imagine.

[Celestial Domain]

It manifested as I envisioned.

My Domain, a realm of endless potential.

Limited only by my imagination.

Of course, there was a drawback.

While I could create anything, the effects applied to me as well.

For instance, if I created a fiery Domain, I would also be consumed by the flames.

This limitation was necessary. Otherwise, I would be invincible.

Imagine a Domain that instantly killed anyone who entered.

Therefore, I would create a specific Domain.

A Domain that suppressed regeneration.

“Domain Expansion Beyond Immortality”

An invisible barrier enveloped Muzan and me, trapping us within my Domain.

“What have you done…?”

Seeing his confusion, I unleashed the full extent of my power.

[Titan Transformation]

[Demonic Divine Art Protective Aura]

[Domain Expansion Beyond Immortality]

See next chapter