Chapter 12: The Power of the Mangekyō Sharingan

Ryuu ignored Geto standing below. Right now, he was focused entirely on his Susanoo.

As expected, it wasn't complete yet.

If he compared it to the Susanoo from Naruto, he was only at the third-stage—"Incomplete Humanoid Susanoo". His real body was still visible inside its chest cavity.

At its final form, Susanoo would become a colossal tengu-like warrior, towering over mountains, with its user seated safely inside the jewel on its forehead.

But achieving Perfect Susanoo required something greater—the Eternal Mangekyō Sharingan.

Still…

To be able to manifest this level of Susanoo immediately after awakening his Mangekyō?

That alone was more than enough to satisfy Ryuu.

He focused his cursed energy, channeling it directly into Susanoo's massive blade.

Then—he swung.

A single sword strike tore through the air.

SHING!

The massive cursed worm—nearly a hundred meters in size—was sliced in half instantly.

As its cursed energy dissipated, Ryuu felt it flood into his eyes—his Mangekyō greedily absorbing the negative emotions left behind.

A realization struck him.

In this world of jujutsu, as long as there was a steady supply of curses, he didn't need to worry about the usual Mangekyō blindness or the need for a second pair of Sharingan to evolve into Eternal Mangekyō.

This world's cursed energy mechanics had eliminated that drawback.

He smirked.

Looking down at Geto, Ryuu noticed that he had stopped summoning more spirits.

So, he's ending it here?

What a shame.

This rapid, side-effect-free power-up was far too addicting.

But it seemed the fight was over.

Ryuu deactivated his Mangekyō, allowing Susanoo to gradually dissolve into pure cursed energy before vanishing completely.

---

"...You're ruthless."

Geto sighed dramatically, walking forward.

"That first-grade cursed spirit had been with me for years."

Then, his tone shifted, now filled with genuine curiosity.

"But those black flames and that colossal warrior in armor... those were your evolved eye's abilities, weren't they?"

Ryuu nodded.

Amaterasu. Susanoo.

And—his control over Amaterasu was even greater than what Sasuke Uchiha had in Naruto.

He could shape and manipulate the black flames with ease.

It reminded him of Shin Uchiha, a rogue experiment of Orochimaru's, who had no direct ties to the Uchiha bloodline yet could wield multiple Mangekyō abilities without blindness due to his enhanced genetics.

This world's curse energy system was functioning similarly for him.

Ryuu could feel it.

His Mangekyō had more to offer.

This wasn't the limit.

If he continued to evolve, he might unlock even more abilities, breaking past the usual one-technique-per-eye restriction.

But that was a matter for another time.

For now—

Ryuu turned to Geto.

"Well? What's my assessment?"

Geto grinned.

"You handled a first-grade curse effortlessly."

He crossed his arms, his voice dripping with satisfaction.

"There's no doubt about it, Ryuu-kun—you're already a first-grade sorcerer, maybe even beyond that."

Of course, Geto could have been more precise.

But Ryuu had been too aggressive.

Geto had no intention of sacrificing more first-grade or special-grade curses just to push the limits of Ryuu's strength.

Those were valuable assets.

Still…

Today had been nothing short of a miracle.

Just half an hour ago, Ryuu was barely second-grade.

Now?

He had jumped directly to first-grade, displaying unprecedented abilities.

Even though Geto had assisted in his growth, that kind of rapid evolution was unheard of.

...A sorcerer whose power increased through negative emotions.

Geto's gaze sharpened.

If Ryuu absorbed the full extent of his resources, just how strong would he become?

Could he surpass even—

Gojo Satoru?

No.

The Limitless and the Six Eyes were too deeply ingrained in jujutsu history.

And Gojo's domain expansion was unmatched.

But still…

Geto tapped his fingers against his chin.

Ryuu had potential.

And potential was always worth investing in.

"Well then…"

Ryuu smirked.

"I owe you for this, Geto."

For once, Geto didn't brush it off with the usual line about sorcerers being one family.

Instead, he simply chuckled.

"Glad to hear it."

###

"Lord Geto!"

A pair of excited voices rang out.

From a distance, Nanako and Mimiko came running toward them.

"Ah, right."

Geto smiled and gestured toward Ryuu.

"Let me introduce you to my family."

Aside from Nanako, Mimiko, and Shion, more figures had gathered—drawn in by the immense battle earlier.

Ryuu barely recognized them.

Aside from Nanako and Mimiko, the rest of Geto's followers were completely unfamiliar to him.

But from the way they were staring at him—

Their expressions ranged from curiosity to outright fear.

"Lord Geto, who is this guy?"

One of them finally spoke up.

The aura he emitted was nothing like theirs.

"Ah, allow me to introduce you."

Geto grinned.

"This is Ryuu."

He gestured toward him with an exaggerated wave.

"My temporary partner."

"In fact, he might even teach here part-time. So let's all get along, shall we?"

Ryuu said nothing.

He had no intention of sticking around long-term.

Yes, he owed Geto a favor.

But helping him with something insane like wiping out all of humanity?

Or going up against Gojo Satoru?

Not a chance.

Still—

For now, he let Geto's words slide.

The cult members, after hearing Geto's introduction, nodded in agreement.

"Shion," Geto called out.

"Clean up the arena."

"Understood, Lord Geto."

Shion gave a short bow before leading a few of the followers away.

Geto then turned back to Ryuu.

"It's getting late, Ryuu-kun."

He smiled.

"Care to stay for dinner?"

Ryuu glanced up.

The sun was already setting.

"...No."

He refused immediately.

Tomorrow was Monday. He still had school, and there was a certain black-stocking-wearing senior who might be waiting for him back home.

No way was he wasting more time here.

"That's a shame."

Geto sighed dramatically.

"Ah well. I suppose I'll see you next time, then."

He watched as Ryuu walked off into the distance, leaving the mountain.

As soon as Ryuu was out of earshot, one of Geto's followers approached him.

"Lord Geto… is he really your partner?"

The follower frowned.

"He seems too wary of us."

Geto smiled.

"Of course he is."

"Think about it—he only recently became a sorcerer. Not too long ago, he was just a… well, you get the idea."

"Naturally, he's cautious about a group like ours."

"...Then, do you think he'll join us?"

An elderly cult member spoke up.

If Ryuu defected from Jujutsu High and sided with Geto, they would gain a massive advantage.

A potential special-grade sorcerer on their side.

But—

Geto shook his head.

"Who knows?"

He chuckled.

"After all… true family is earned."

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