Boom!!
The Mental Space was instantly divided into two colors.
The dark purple aura was like a wave, trying to drown the blazing crimson volcano.
"Who are you!"
"Why do you have such terrifying Chakra!"
"Why... do you know my name!"
Four-Tails sensed the extreme Yin chill contained in that Chakra. This feeling...
He had seen Indra in his youth, that ancestor of the Uchiha clan.
The purity of the Yin Release in this brat before him was already extremely close to Indra's back then!
That was the direct bloodline of the Sage of Six Paths. How could this brat...
Kagami Uchiha stepped directly onto Four-Tails' head, and his Spiritual Energy materialized into a gigantic Fuma Shuriken.
Humans did not regard tailed beasts as guardians, but as natural disasters—things to fear, dread, and seal.
Kagami Uchiha knew the truth, but he would not try to reconcile with the tailed beasts like Naruto had.
Because he knew very well that he himself was precisely the kind of person tailed beasts hated most.
He would not regard the tailed beasts as companions. He merely wanted to borrow their power.
The Fuma Shuriken spun at tremendous speed, carrying an extreme cutting force as it mercilessly slashed toward Four-Tails' neck.
"You damn brat! Don't underestimate me!"
"Lava Release—Flower Fruit Mountain!"
Four-Tails struggled desperately against the chains, releasing extreme heat throughout his body and forming a sea of lava.
Boom!!!
The lava exploded violently, forcibly blocking the enormous Fuma Shuriken.
But this stalemate did not last long. The cold and imposing Dojutsu Power continued to pour in until the Fuma Shuriken expanded to several hundred meters in size!
Boom!!
Four-Tails' body crashed to the ground, while the Fuma Shuriken pressed down bit by bit like a cutting wheel slicing through stone.
"An arch-enemy..."
Because he was borrowing Sukuna's Cursed Energy, the seal could not completely block him out, and he had also seen Kagami Uchiha's actions.
The Sharingan's basic abilities were similar to the Six Eyes, giving Sukuna a point of reference.
Still, Sukuna felt that even Gojo Satoru, who possessed the Six Eyes, would not have an easy time dealing with this monster.
Judging only by the energy he had witnessed, this monster was far stronger than Jogo, who possessed the same attribute.
Unlike the Six Eyes, which only appeared in one person per generation, this brat's clan had many people with these eyes...
Could this clan be the legendary divine clan?
Did they possess a special suppressive effect against evil spirits and Fierce Beasts?
Could the reason I came here be that the ancestor of this clan sealed me inside this brat's body?
Sukuna had never given up on escaping for even a moment as he pondered the information he had about Kagami Uchiha.
There was one point he had guessed incorrectly.
Under normal circumstances, the Uchiha's Three Tomoe were ineffective against tailed beasts.
Even if they evolved into the Mangekyō Sharingan, they might be useful against ordinary tailed beasts, but controlling the Nine-Tails was impossible.
The reason Obito had been able to control the Nine-Tails temporarily might also have been due to Madara's remaining methods.
The most important factor in using any power was still the user.
What restrained the Nine-Tails was Hashirama and Madara, not Wood Release and the Mangekyō Sharingan.
The reason Kagami Uchiha could suppress the tailed beast had already been revealed by the Nine-Tails earlier.
Dojutsu Power!
Dojutsu Power was also a form of Chakra, but it placed greater emphasis on Spiritual Energy.
The so-called Mangekyō was essentially an evolution formed after Spiritual Energy reached a critical point.
With Kagami Uchiha's current Dojutsu Power, he had already surpassed that point and could evolve into the Mangekyō Sharingan at any time.
He simply had not yet solved the Mangekyō's drawback.
Excessive use would lead to blindness.
Why could the Dojutsu Power of the Mangekyō not recover?
It was because the bodies of the Uchiha clan were too weak compared with the Mangekyō Sharingan.
Indra, the eldest son of the Sage of Six Paths, naturally had no such concern. His descendants, however, did not possess bodies capable of bearing the Sage's eyes.
Even Uchiha Madara could no longer bear the Rinnegan after growing old.
To prevent the Rinnegan from running dry—and also because he feared being drained by the Rinnegan—he had chosen Nagato, a Uzumaki Descendant, as the vessel for his eyes.
Based on Kagami Uchiha's estimation, he would need at least another year before his body could withstand the pressure of the Mangekyō.
The best option would be to capture White Zetsu as soon as possible and directly seize Uchiha Madara's research results, allowing himself to obtain Hashirama Cells.
Obtaining Hashirama Cells would not grant him the Rinnegan. That was exclusive to the son of the Sage of Six Paths, as Obito had already proven.
However, they would certainly greatly alleviate the side effects of the Mangekyō Sharingan.
Otherwise, at Obito's frequency of using Mangekyō techniques, even if Kamui consumed very little energy, it would still be useless. He should have gone blind long ago.
Of course, if some fatal threat arose, he could still distinguish which was more important between dying and suffering some bodily damage.
Simply put, he was suppressing his realm in hopes of making his breakthrough more perfect.
Moreover, he had another plan that might be able to solve this drawback...
Reverse Cursed Technique.
By manipulating Cursed Energy and converting it into positive energy, one could achieve a healing effect.
Converted into Chakra, that meant transforming Yin-attribute Chakra into Yang-attribute Chakra...
This theory was feasible, but it would certainly be far more difficult than simply reversing Cursed Energy.
The Four-Tails, being sliced by the Fuma Shuriken, let out a miserable roar and cursed furiously.
It was useless.
If he had not been sealed, he could still have fought Kagami Uchiha on equal terms. But now...
It was like two people, one holding a whip and the other tied up. This was never an equal battle.
A steady stream of Four-Tails Chakra was cut away and collected by Kagami Uchiha, while scorching currents of flame also spread across his body.
Tailed beasts were the materialized form of Chakra. After having a large amount of Chakra extracted, Four-Tails visibly grew thinner.
Kagami Uchiha could clearly sense that compared with the Chakra of ordinary shinobi, the Tailed Beast Chakra was on an entirely different level in both "quality" and "quantity."
In particular, the understanding of Lava Release contained within Four-Tails' Chakra gave him ideas for developing Lava Release after only this brief contact.
At that moment, a furious shout rang out through the empty Mental Space.
"Dismantle!"
Kagami Uchiha felt a powerful pressure trying to forcibly eject him from the Mental Space.
After taking one last look at the emaciated Four-Tails, he said indifferently:
"A red-haired gorilla shouldn't pretend to be the Monkey King."
"Goodbye, Four-Tails."
What did he mean, pretend...
My name was given to me by the Sage of Six Paths!
Why were you so hostile toward me!
Gah...
The principle of Genjutsu was mainly to interfere with another person's Chakra flow through Chakra, thereby affecting the target's five senses.
The reason a perfect Jinchuriki could not be controlled by Genjutsu was that when the Jinchuriki was controlled, the tailed beast would help break the Genjutsu.
Conversely, if the tailed beast inside the body was controlled, the Jinchuriki also had the ability to dispel the Genjutsu.
Kagami Uchiha's primary objective was to enter the Mental Space where Four-Tails was imprisoned. Genjutsu could not control Roshi for long.
The definition of a perfect Jinchuriki was reconciliation with the tailed beast inside one's body. Roshi had not achieved that.
However, his own Kekkei Genkai was Lava Release, the same as Four-Tails', allowing him to forcibly seize Four-Tails' power.
It was just like how Naruto had obtained Chakra after defeating the Nine-Tails for the first time.
It could be considered a slave turning over and becoming the master.
The instant he came to his senses, he noticed something abnormal within his body. When something seemed wrong, dispelling the Genjutsu first was certainly the correct choice.
Whoosh—
A plume of blue smoke reappeared atop the giant eagle. It was none other than Kagami Uchiha.
He looked down at Roshi, who had already dispelled his Tailed Beast Transformation.
It seemed Four-Tails would not be able to recover his Chakra anytime soon.
"You just now..." Aburame Shibi seemed to have thought of something. The scene from earlier had resembled a secret technique performed by a senior he had once seen.
"An incorporeal weak-point-free Spirit Transformation Technique!"
"Don't make it sound like I copied someone, Senior Shibi."
Kagami Uchiha turned to look at him. "That was such a good opportunity just now. Don't tell me you didn't attack him with your Kikaichū."
"Er..."
Aburame Shibi wore sunglasses and a face mask, which concealed his embarrassment quite well.
"Sorry, things happened too suddenly... Actually, you only disappeared for a few seconds..."
"No need to explain."
Clang—
Kagami Uchiha drew his sword and leaped down, charging straight toward Roshi.
"I'll deal with the Jinchuriki. Just stay there and watch."
"As a useless bystander."
Do not... look directly at the Sharingan.
After what had happened earlier, Roshi did not dare underestimate this Uchiha youth in the slightest.
No matter how unwilling he was, when faced with Kagami Uchiha flying toward him, he could only lower his head and avert his gaze.
It was as if he were stretching out his neck to be slaughtered.
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