Isshiki stared wide-eyed at Natsuo. "Natsuo, how...?
"Time and space ninjutsu, Flying Thunder God Technique." Natsuo shrugged.
Isshiki lowered his head subconsciously, and immediately saw a black mark of Flying Thunder God on his chest. Then, Natsuo left the mark when he launched his last attack before seriously injuring him.
"Wait a minute. Does this mean you could have stopped me sooner?" Isshiki immediately realized a fact. "Then why didn't you stop me then?"
With the speed of space-time ninjutsu, Natsuo could have easily stopped him at that moment. Why...?
"It's because..." Isshiki's expression suddenly changed.
"Oh, you guessed it." Natsuo showed a gentle smile. "Mainly, I didn't know where your dimension was... Also, if I defeat you I can obtain the young Ten-Tails in your possession."
"If I killed you without reaching this dimension, wouldn't it be unfair for the young Ten-Tails to be trapped here after all that effort you've put into cultivating him all this time?"
Isshiki's eyes were instantly filled with despair.
Natsuo raised his sword and cut Isshiki's limbs directly, then performed several sealing techniques to seal his chakra, his consciousness, and weaken his soul.
Then, Natsuo placed his palm on Isshiki's head and activated the Human Path to read his memories.
At that moment, Isshiki regained consciousness. "You already won! What else do you want to do?!"
"Evil Uchiha!" Ishiki roared almost madly, as the seals weakened his soul and his consciousness.
"Don't you understand the winner-take-all principle?" Natsuo said casually, at the same time increasing the force exerted by the Human Path.
He then began to quickly read the memory of him. Soon, a large number of images of memories and information came to his mind.
In the process, he saw many magnificent and strange scenes of the universe.
Natsuo saw Isshiki destroying a civilization of a certain planet and collecting those giant cubes.
On top of that, there is the scene of the Otsutsuki clan's home planet.
In the picture, there are many members of the Otsutsuki clan who are constantly entering and leaving the planet. In addition, there are also several Ten Tails roaming the planet.
He even saw several familiar figures. They were Momoshiki, Urashiki and Kinshiki.
But then Natsuo focused his attention on the memory when Ishiki and Kaguya were sent to plant the God Tree, they were kneeling in front of a member of the Otsutsuki clan sitting on a throne. And from Isshiki's memories he must be an elder of the clan.
He has the power to send clan members like Ishiki and Momoshiki into the vast universe to find suitable planets to plant the God Trees.
"There are actually six of them. Plus two Grand Elders..." Natsuo suddenly felt that the Naruto Series Universe was not as simple as it seemed and felt an enormous pressure on him.
So far they haven't taken the Shinobi World seriously, but once they do, they only need to send one Elite member of the clan and they may not defeat him, but the Shinobi World may be destroyed.
Natsuo finished reading Isshiki's memory, then manipulated his soul so that it wouldn't disperse, before activating one of the seals on his body so that the soul would stay inside Isshiki's body for a while longer.
Natsuo suppressed his turbulent emotions, then began to think carefully.
Although the Otsutsuki civilization is really powerful, it is impossible for them to reach the shinobi world immediately.
Especially Elders and Grand Elders are even less likely to easily leave the Otsutsuki clan's home planet.
So there is no need to worry about them at all.
Additionally, due to its long lifespan, they use as a unit of time the period it takes for the God Tree to generate a fruit.
Considering that a thousand years have passed since Isshiki and Kaguya arrived, it is only necessary to face the attack of Momoshiki and the others who will arrive in a few years. Then the shinobi world will have another thousand years before the Otsutsuki clan turns its attention to the shinobi world, enough time for Natsuo to overcome them with the help of the system.
Even if something unexpected happened, now the Otsutsuki clan is preparing for the collision of Universes.
Apparently when two universes get 'close' enough, the dimensional barriers that separate them will begin to weaken and allow powerful beings from both universes to invade the other's Universe, until one side is defeated. The more powerful beings of the enemy Universe are killed, the more easily the winning Universe can absorb the other Universe, thus raising its energy level.
And according to the records of the Otsutsuki clan, Otsutsuki Shibai used the previous collision of Universes to steal part of the origin of the conquered Universe, which allowed him to break the limitations of the current Universe, thus elevating it to 'a higher dimension'. But due to his actions the will of the Universe retaliated, leaving him trapped within the limits of the Universe.
That is why the Otsutsuki clan takes the next collision of Universes very seriously. Since this is the opportunity for them to free Shibai from his restrictions and the Otsutsuki clan to take a step forward by freeing themselves from the limitations of a single Universe, being able to travel to other Universes without the need to wait for collisions to occur.
Whatever happens, the initiative seems to be in Natsuo's own hands for now.
Putting those thoughts aside Natsuo decided to first go see the Ten Tails. He held Isshiki in one hand and walked in the direction of where the Ten-Tails was according to Isshiki's memories.
The Ten-Tails lay silently restrained by the black rods. It is small compared to the gigantic and monstrous Demonic Statue summoned by Nagato.
Natsuo initially thought of feeding the Human-Human Fruit to the Ten-Tails and seeing if he could transform into a woman. But after reading Isshiki's memories he changed his mind.
The God Tree race is a species that evolved under the influence of the will of the Universe to help all species evolve in preparation for collisions between Universes.
But Shibai enslaved the race and now they are only used by the Otsutsuki clan. In retaliation, the God Trees modified their genes so that they could only generate a fruit when they consumed a member of the Otsutsuki clan.
Natsuo does not want to risk giving intelligence to a race that he considers the Otsutsuki to be food, and that can evolve infinitely, since technically he is also a descendant of the Otsutsuki clan. He at least he doesn't plan on doing so until he finds a way to completely control them.
Now Natsuo understands why in the Boruto Series when the God Trees gained consciousness they wanted to devour Naruto and the others, since they were the only 'Otsutsuki' nearby.
Natsuo directly threw Isshiki into Ten Tails' mouth.
The Ten-Tails also seemed to smell some food, opened its mouth wide, and then... ate Isshiki.
"Here we come." Natsuo narrowed his eyes slightly.
The Ten-Tails, who was originally like a monster, suddenly began to squirm. It began to grow roots in the ground, which expanded wildly, and a huge flower bud began to grow on top.
Natsuo's gaze easily caught that in the center of the cocoon, there was a Rinne Sharingan.
When the Ten-Tails consumed a member of the Otsutsuki clan, it would quickly grow into a God Tree. Then, the roots of the God Tree spread to all corners of the planet, absorbing the natural energy, after which they produce the Chakra fruit.
Of course, Natsuo didn't plan to deplete the planet's natural energy just to obtain a Chakra fruit.
However...
Natsuo looked under the God Tree, and there were countless traces of human figures that seemed to be dry, densely piled up under the roots of the God Tree. According to Isshiki's memories, over all these years, he had been feeding Ten Tails with countless shinobi.
After so many years of accumulation, it was enough for the God Tree to bloom and bear fruit.
Exactly as expected!
A purple fruit began to form...
Although Natsuo had not seen the fruit that Kaguya had consumed, according to Isshiki's memories, he understood that the fruit in front of him was even more perfect.
Because Kaguya had only fed the God Tree with half of Isshiki, while Natsuo had fed the God Tree with a full Isshiki.
With a slight smile, he took the fully ripened fruit and devoured it.
The fruit of the God Tree was rather an abstract concept. Although it looked like a fruit, it was actually a highly concentrated form of energy.
Just by lightly tearing its outer shell with his teeth, the fruit disintegrated into a glow and flowed into Natsuo's mouth.
The next moment, Natsuo felt a feeling of incomparable warmth everywhere in his body. Every cell in his body felt full of energy.
Their cells began to change rapidly and the new cells with greater vitality began to phagocytically devour the surrounding old cells that could not keep up with the pace of evolution and then divided rapidly to replace the devoured cells.
In a short period of time, Natsuo's body seemed to have been completely renewed. His skin became extremely white, soft to the touch and delicate, like that of a newborn. But in reality, that seemingly soft skin had incomparable resilience.
At the same time, a strange current of chakra gushed towards his eyes.
Natsuo waved his hand and an ice mirror appeared out of nowhere. Then, he could see the change in her eyes.
The left eye is still the Rinnegan, but the right eye has turned pure white, it was the Byakugan of the Otsutsuki clan.
"It seems that I have directly become a member of the Otsutsuki clan, huh?" Natsuo stroked his chin and smiled.
After checking the status of the God Tree, Natsuo decided to leave the God Tree in this alternate space. After all, no one could find the God Tree here.
He then activated the mark of the Flying Thunder God Technique that he had left near the ruins of the research base.
Once he returned, Natsuo expanded his perception and headed to the underground laboratory that had not been destroyed during the fight.
As soon as he arrived at the underground base, he heard a voice from the side.
"It seems like you won..." Amado spoke softly, with a calm expression. "No wonder you are considered the strongest shinobi in the world, you can even defeat that person..."
"Didn't you run away?" Natsuo raised an eyebrow.
When he and Isshiki were fighting in the snowy mountains, both of them avoided affecting this underground base to some extent. Isshiki was worried about breaking the vessels he had cultivated, and Natsuo had already considered the Kara organization to be his own industry.
But that was only to a certain extent.
With the strength of the two of them, the fight was like a world-changing earth-shattering.
"What's the point of running away?" Amado said calmly. "In the end, whoever wins will get everything."
He sighed softly. "If you are here, then Jigen..."
"He has died at my hands." Natsuo answered frankly.
Amado nodded, this was within his expectations. "I remember that the Uchiha clan has a department dedicated to technological research. I suppose you are also interested in Kara's research data..."
"I can offer them to you."
"If you are willing, I would like to become your subordinate."
"Oh, what do you want in return?" Natsuo looked at him as he smiled.
Amado had a calm expression: "My daughter is seriously ill. I have sought the help of the best medical-nin, Tsunade-sama, but she could not cure my daughter's illness."
"Can you save my daughter?" Saying this, there was a hint of hope in his eyes.
His daughter had not yet died from the disease, but she was close. And although Tsunade was known as the best medical-nin in the world, if she couldn't do anything, his only hope was to ask for help from Natsuo, who has proven to have strength incomprehensible to him.
"I can do it." Natsuo didn't care and nodded directly.
Amado's expression changed slightly, feeling that Natsuo's response was too quick and seemed a little unreal.
He even began to wonder if Natsuo had some other motive, such as promising to help him temporarily and then throwing him away.
"Don't worry, I'm serious." Natsuo could naturally sense his emotional changes and smiled. "Though my skill as a medical-nin is not at the top of the world, and I cannot guarantee that I can cure your daughter."
"But even if your daughter dies, I can bring her back to life."
"She wouldn't be the first person I resurrected."
Natsuo spoke frankly.
Sanzu Amado can be said to be the best scientist in the shinobi world, not at all inferior to Orochimaru. From another perspective, his value is greater than that of Orochimaru, who only wants to study topics related to biology.
Although the Kara organization seems weak at the moment and apart from Isshiki who showed up to save the situation, there doesn't seem to be any other experts...
But in the future.
Experts such as Kashin Koji, Delta, Deepa, and others will appear who have a power of at least Kage level.
And all of these experts are directly related to Amado.
A man like him, of course, must be recruited.
When Amado heard Natsuo's words, he relaxed a little, knowing that he was serious. However, he couldn't understand why Natsuo was paying so much attention to him.
But he knew it was time for him to prove himself.
"I'll prepare Kara's research data right away!" Amado said without hesitation. "Also, if she has time, Natsuo-sama, why doesn't she control the people inside this underground base?"
"Those who know about the existence of this base are the organization's main researchers, so they could be of great help."
Natsuo nodded with a smile on his face.
In reality, he didn't even need Amado to say it. Natsuo had not planned to let those scientists go.
However, Natsuo had something else on his mind. 'I'm a Otsutsuki now, so what kind of children can I have?' He had a look full of anticipation.
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