Boruto world.
It is now one year into the storyline, and Boruto is thirteen years old.
At this point, Kawaki has already escaped from Kara and been taken in by Konoha.
Isshiki headed to Konoha to demand Kawaki, only to be refused by Naruto and Second Pillar.
Consequently, they engaged in battle within an alternate dimension.
Facing a Naruto and Second Pillar who were even more powerful than in the original plot, Isshiki activated the second stage of his Karma while using Jigen's body. Although he dominated Naruto and Second Pillar, beating them severely, Naruto had mastered the Flying Thunder God technique, and Second Pillar had adapted to using Rinnegan abilities without the actual eye.
With their strength greatly increased, Naruto and Second Pillar managed to hold out until Jigen's body began to break down. Realizing this "vessel" could no longer be used, Otsutsuki Isshiki retreated to the alternate dimension where Kara was based to heal.
However, due to the betrayal and schemes of Amado and Kashin Koji during his resurrection plan, Isshiki's plans were forced into disarray.
"Haha, it seems the Hokage and Sasuke have dealt you quite a blow.
To think they forced you to reincarnate so quickly, Otsutsuki Isshiki!"
Kashin Koji watched the transformed Otsutsuki Isshiki with a cold sneer.
Like other Otsutsuki, Isshiki wore an elegant, slim-fitting white long-sleeved tailcoat and loose black trousers that often covered his bare feet.
His sleeves bore patterns matching his tattoos.
Isshiki had pale skin and grayish-white hair.
A long, curved horn grew from his head to the back of his skull, resembling a crown.
He had only one eyebrow on his forehead, positioned above his right eye.
His right eye possessed his unique dojutsu: a golden wheel-like pattern with eight triangles surrounding the pupil.
His left eye was a Byakugan. Furthermore, his hair, right eyebrow, and beard were all grayish-white with an unusual jagged pattern, and he had a vertical row of magatama tattoos on both his chest and back. His fingernails and toenails were all black.
Otsutsuki Isshiki glanced at Kashin Koji with an expressionless face.
His golden Rinnegan on the right flared with light.
[Daikokuten]
Kashin Koji was killed in a single move, instantly crushed into the ground by a massive stone pillar that had been summoned.
"A pity!"
In the end, Kashin Koji still managed to escape the area using the Reverse Summoning Technique.
"It seems Isshiki is coming to Konoha now; he has fully reincarnated into Otsutsuki Isshiki using Jigen's body.
His power is even greater than Jigen's was before.
This time, I'm afraid we're truly in for a bitter fight!"
Naruto said with a wry smile.
Previously, when Jigen hadn't fully reincarnated, he and Sasuke could barely hold their own against him by working together.
But now, it was hard to say.
Although Second Pillar's expression was grave, he looked much better than Naruto.
A confident smile appeared on Second Pillar's face: "Don't worry, I still have a trump card I haven't used. We aren't without a chance of winning."
Hearing Second Pillar's words, Naruto was somewhat surprised. Although Second Pillar's strength had improved significantly, it was only slightly better than his own.
Just as he used to be stronger than Sasuke, their strength was roughly equal.
Naruto asked curiously: "Sasuke, what is your trump card?"
Second Pillar smiled and did not answer Naruto's question, instead saying: "For this battle, bring Boruto along."
"What!"
"You aren't trying to tell me that your trump card is Boruto, are you!
Sasuke, what kind of joke are you making!
Although Boruto's strength has improved quite a bit, he's only reached the level of a master, equivalent to the Five Kage.
How could he possibly be your trump card?
I don't agree to this!"
Naruto refused point-blank.
Second Pillar had expected Naruto to say this and began to explain: "Boruto doesn't just have Momoshiki's Karma; he also carries the Karma of the three brothers—the Sage of Six Paths, the Hyuga Ancestor, and the Ancestor of Sage Arts. The power within Boruto's body exceeds your imagination.
Besides, I'm not asking Boruto to participate in this fight.
I just want to use Boruto to summon the Ancestor of Sage Arts, Otsutsuki Tatsuten."
"If that's the case, then I must participate in this battle."
Hearing Second Pillar's words, Boruto broke into a happy smile.
He had long wanted to help his father and Sasuke.
But Naruto did not think the same way; if it were truly that simple, Sasuke would have mentioned it long ago, not just now.
Naruto looked at Sasuke with a serious expression and said, "Sasuke, this matter isn't that simple, is it?"
Seeing Naruto's expression, Sasuke nodded earnestly and said, "That's right. Summoning the Ancestor of Sage Arts, Otsutsuki Tatsuten, is naturally not that easy.
After all, that is a summoning that transcends space and time; we are simply not in the same spacetime world.
Even if it succeeds, Boruto will need to recuperate for several months due to the massive chakra consumption.
That is why I never mentioned this technique.
But isn't this the only way we can defeat Isshiki now?"
Upon hearing Sasuke's words, Naruto fell silent, but in the end, he agreed.
Just as in the original events, Isshiki stated that he would leave Konoha if Kawaki were handed over to him, but he was unexpectedly refused by Naruto, who began to attack him with all his might.
Naruto entered Kurama Sage Mode directly.
By maintaining the Kurama Mode while simultaneously adopting the Sage Mode stance, the horizontal slit pupils of Sage Mode overlapped with the vertical slit pupils of Kurama Mode to form a Cross-Eye, possessing all the characteristics of both Kurama Mode and Sage Mode.
Bang! Bang! Bang!
The sounds of intense combat echoed through the sky. The two traded blows, but after about a dozen exchanges, Naruto was completely suppressed.
"Smack!"
Naruto was kicked away by Otsutsuki Isshiki.
He tumbled through the air several times before barely stabilizing his body, landing back on top of a massive boulder.
Although he tried his best to maintain the stability of his Kurama Sage Mode, the unprecedented pressure still caused a slight turbulence in his internal chakra.
Is this the power of Otsutsuki Isshiki?
Naruto muttered to himself, his eyes flashing with a resolute light.
He knew clearly that the current battle concerned the future of the entire Ninja World.
Taking a deep breath, Naruto readjusted his state and formed hand seals, rapidly recovering the chakra within his body.
He knew he could not rely solely on the power of Kurama Sage Mode; he had to find other ways to fight Isshiki.
Otsutsuki Isshiki watched Naruto coldly, though he couldn't help but feel a hint of admiration that a human could possess such powerful strength.
"Next, let me show you my true power," Isshiki whispered. His figure suddenly vanished from where he stood, and when he reappeared, he was already right in front of Naruto.
Naruto's eyes sharpened; he felt an unprecedented sense of crisis.
"Rasengan!" Naruto shouted, a massive blue energy sphere forming in his hand, which he smashed fiercely toward Otsutsuki Isshiki.
Otsutsuki Isshiki sneered and threw a punch, his fist colliding violently with Naruto's Rasengan.
Boom!
With a deafening roar, the entire sky seemed to be torn apart by this energy.
Naruto was forced back repeatedly by the powerful shockwave, while Otsutsuki Isshiki stood where he was, completely unmoved.
"Is this the extent of your full strength?" Otsutsuki Isshiki asked indifferently, his eyes filled with disdain.
Naruto did not speak, but his gaze became even more determined. He knew he hadn't lost yet; he still had greater power that he hadn't unleashed.
He took a deep breath and adjusted his state once more.
This time, he prepared to release all his power for a final showdown with Otsutsuki Isshiki.
[Daikokuten]
Suddenly, Otsutsuki Isshiki's golden Rinnegan [not sure what kind of eye this is, so let's call it Rinnegan for now] lit up, summoning a black cube to smash down onto Naruto.
[Flying Thunder God Technique]
Naruto hurriedly used the Flying Thunder God Technique to dodge the attack.
"Space-time ninjutsu? What a troublesome technique!"
Otsutsuki said with a cold expression.
Just then, Sasuke and Boruto appeared.
With the two of them working in tandem, Boruto used the space-time ninjutsu of his Karma to suck Isshiki into an alternate dimension, after which the three of them entered the alternate dimension together.
"Again and again, time after time!
This time, I will hold nothing back. I am going to kill you all."
An enraged Isshiki intended to wipe out the three people before him right then and there.
[Nine-Tails Tailed Beast Mode]
[Complete Body Susanoo]
Naruto and Second Pillar did not speak, immediately unleashing their ultimate techniques.
"Boruto, do you remember the jutsu I taught you?"
Second Pillar said to Boruto.
"I remember it, but this jutsu... it looks simple enough, but isn't the execution way too difficult?"
Boruto said with a wry smile.
"Let's go!"
The battle began.
Otsutsuki Isshiki's golden eyes widened violently, his pupils flashing.
He summoned several massive black cubes via Daikokuten, which plummeted from the sky and shattered the coordination between Naruto and Second Pillar, disrupting the Susanoo and the Nine-Tails beast transformation.
With a display of overwhelming taijutsu, he kicked Second Pillar straight into the rocks.
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