Chapter 215: Mangekyō Sharingan
"What Status Do You Have to Dare Use the Same Name as the Monkey King?!"
The technique Immovable Wisdom King was something Uchiha Ren had developed long ago by drawing inspiration from Susanoo. It was meant to serve as a substitute for Susanoo itself.
Although Susanoo possessed overwhelming power, the burden it placed on the Mangekyō Sharingan was enormous.
Everyone knew that repeatedly using Mangekyō Sharingan techniques gradually deteriorated the user's eyesight until it eventually led to blindness.
Using Susanoo was equivalent to activating the Mangekyō Sharingan's ocular techniques in both eyes simultaneously, and that was only the most basic stage of Susanoo.
The Second Stage, Third Stage, and Fourth Stage imposed even heavier strain.
As for the Perfect Susanoo, it required the Eternal Mangekyō Sharingan to wield.
In the original timeline, after awakening his Mangekyō Sharingan, Uchiha Sasuke used Susanoo recklessly. Within only a few days, his eyesight had already deteriorated to the point of blindness.
Uchiha Itachi, on the other hand, treated Susanoo as his final trump card. His Mangekyō Sharingan lasted nearly ten years.
The difference between the two was obvious at a glance.
At the time, the Third Great Ninja War was still raging, and too many variables existed. Uchiha Ren could not guarantee he would never need to use Susanoo. Therefore, as a precaution, he decided to develop a technique that could replace it.
However, Immovable Wisdom King was not simply a giant formed by piling up flames.
If it were that simple, Ren could casually create a hundreds-meter-tall fire giant using flames alone.
Instead, Immovable Wisdom King was an ultimate ninjutsu Ren developed by combining the power of his Flame-Flame ability with chakra nature transformation and chakra shape transformation.
Its difficulty unquestionably reached S-rank.
Just like ninja missions, ninjutsu are generally divided into S, A, B, C, and D ranks.
However, this ranking refers to the difficulty of learning the technique, not its destructive power.
So claims like "Madara Uchiha turned a B-rank Great Fire Annihilation into an S-rank technique" are fundamentally incorrect. The power of a technique varies depending on the user—only the learning difficulty remains fixed.
The difficulty of Immovable Wisdom King was definitely S-rank, and if classifications like SS-rank or SSS-rank existed, it would undoubtedly reach SSS-rank.
Why?
Because the technique had become so complex that even Ren himself—the creator—still could not fully perform it.
Correspondingly, the power of Immovable Wisdom King was equally immeasurable, potentially even surpassing Susanoo.
Even in its current incomplete form, the flames composing its body had already reached a terrifying temperature of 200,000 degrees Celsius.
Simply standing there was enough to turn the surrounding land into scorched earth.
At such temperatures, even if its attacks failed to strike the enemy directly, merely approaching would be lethal.
Originally, when facing Rōshi, Ren did not need to use One-Slash Cremation.
A simple slash would have been enough to kill him.
However, Ren feared that under mortal danger, Rōshi might recklessly release the Four-Tails. Therefore, Ren incorporated Fūinjutsu into the attack, creating One-Slash Cremation.
The technique was inspired by something Ren had seen in his previous life—Gaara's Desert Layered Imperial Funeral Sealing Technique.
The principle was similar: while launching an elemental attack, special sealing formulas were embedded within it.
Ren simply replaced the sand with flames, and modified the sealing formulas so they could withstand Fire Release chakra.
"Earth Release: Rock Golem Technique!"
When Rōshi rushed toward Uchiha Ren, Huang Tu had already begun forming hand seals, ready to support him at any moment.
But when Huang Tu saw Rōshi charge headlong into the massive flaming blade—and fail to emerge immediately—he realized something was terribly wrong.
Internally, he cursed Rōshi as a reckless fool.
Even from this distance, Huang Tu could feel the terrifying temperature radiating from that blade.
And yet Rōshi had rushed straight into it without hesitation. If that wasn't recklessness, what was?
Despite his inner frustration, Huang Tu's hands never stopped moving as he quickly completed the technique.
A massive stone hand burst from the earth and grabbed toward Rōshi within the flaming blade, trying to pull him out.
But just as the stone hand was about to make contact, the previously fluid flame blade suddenly solidified, transforming into a golden-crimson greatsword.
The instant the stone hand touched the blade, it didn't even have time to exert force before the extreme heat roasted it into molten lava, which dripped down to the ground in liquid streams.
Huang Tu frowned.
In that brief delay, he had already lost all sense of Rōshi's chakra.
Ren spread the hand of the Immovable Wisdom King, transforming the golden-crimson blade back into flames and retracting it.
Rōshi's figure remained in midair.
But before his body could even fall—
A wave of scorching wind swept past.
His body instantly crumbled into fine ash, scattering into the sky.
Along with him vanished the Four-Tails, which had been sealed before it could even unleash its power.
Ren's expression did not change at all.
The death of the Four-Tails stirred not the slightest ripple in his heart.
Although they were all Tailed Beasts, Ren did not feel fondness for every one of them.
The Four-Tails happened to be one he particularly disliked.
If this were the Dragon Ball world, that would be another matter.
But this was the Naruto world.
What status did the Four-Tails have to dare use the same name as Sun Wukong, the Monkey King?
It even dared to call its dwelling Flower-Fruit Mountain and the Water Curtain Cave.
If it died, then so be it.
In a few years, it would revive anyway, so it wouldn't interfere with Ren's future plans.
Ren then turned his gaze toward Huang Tu.
Next, it was this man's turn.
The moment Huang Tu sensed Ren's gaze, every hair on his body stood on end. He immediately began forming seals at high speed.
"Earth Release: Earth Flow Wave!"
Rocks surged up beneath his feet, lifting his tall frame and carrying him forward like waves, allowing him to flee rapidly across the terrain.
After witnessing the previous exchange, Huang Tu knew he was absolutely no match for Uchiha Ren.
If he tried to confront him directly, he probably wouldn't last three exchanges.
The technique Ren was currently using clearly consumed an enormous amount of chakra.
Huang Tu's only hope was to stall and exhaust Ren's chakra.
Ren did not pursue immediately.
Instead, he controlled the Immovable Wisdom King, condensing flames into a bow and arrow.
Watching Huang Tu's retreating figure, Ren slowly drew the flaming bowstring, pouring most of the technique's power into the arrow.
Given the attack range of this arrow—
Even if Huang Tu used the Substitution Jutsu, he would have no chance of escaping death.
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