Senju, Uchiha Bloodline Fusion

"Fujima, is it truly necessary to use the eyes of our ancestors?"

Although Madara Uchiha felt some internal reluctance, he knew that if it were necessary to ensure his younger brother's safety, he would undoubtedly choose to do so.

"Yes, the ancient texts record that the eyes of close kin are required. If Uncle Madara and Uncle Izuna's vision were to fail, how could we continue to protect our village?"

"We have no choice but to use the ancestors' eyes. If we can successfully obtain the Eternal Mangekyo Sharingan, it will surely bolster the strength of our Konoha."

Senju Fujima frowned deeply as he looked at Madara Uchiha.

He knew that Madara Uchiha was already wavering, and he himself desired to obtain the Uchiha Clan's Sharingan to see if he might also awaken the Rinnegan.

If he could awaken the Rinnegan, he would at least be invincible in the ninja world—unless he encountered that freak, Ōtsutsuki Isshiki.

That was a character who could pin Sasuke and Naruto to the ground and rub their faces in the dirt. If even the two protagonists found him so difficult to deal with, how could he, who hadn't even reached the level of the Six Paths, hope to stand a chance?

Upon hearing Senju Fujima's words, Madara Uchiha was clearly tempted. After all, since awakening his Mangekyo Sharingan, his vision had indeed begun to deteriorate from frequent use.

Though he could still barely see clearly and it didn't affect his combat ability for now, he knew that if he were to go blind, he would lose all his power and become a cripple.

"Fine, I agree. I will be the first to experiment. If I can truly achieve the Eternal Mangekyo Sharingan, then we will let Izuna fuse with that power."

"My vision has indeed declined, and every time I use the Mangekyo Sharingan, I feel my sight gradually fading."

"If this problem can truly be solved, I am willing to try."

Madara Uchiha struggled internally; after all, these were the only mementos left behind by his father and his brothers.

But to protect Izuna, he had to make the choice to undergo the transplantation procedure for the Eternal Mangekyo Sharingan.

"Brother, this, this...!"

Although Izuna Uchiha had also felt his own eyes beginning to change, it wasn't as pronounced as Madara Uchiha's, and he hadn't considered the final outcome.

Seeing his brother agree to Senju Fujima's proposal, he felt a surge of shock.

"Izuna, to protect you and the village, anything can be sacrificed, even my own life."

"What are the eyes of Father and the others compared to that? They have already departed; let us use their remaining power to protect us!"

"This is also a form of their love guarding us, is it not?"

Madara Uchiha had made up his mind. He waved a hand at Izuna Uchiha and spoke with firm resolve.

"This, this...!"

"Sigh...!"

Izuna Uchiha knew that once his brother had made up his mind, it was difficult to change, and in the end, he could only choose to agree.

"Good. Then, Uncle Madara, go retrieve the Sharingan, and we shall begin the surgical research."

"Also, bring a few extra pairs of Three Tomoe Sharingan. If Father is also to awaken the Rinnegan, I wonder if having a pair of Three Tomoe Sharingan might increase his chances of success."

What Senju Fujima needed to do now was to help both of them awaken the Rinnegan—and if he could awaken it himself, that would be even better.

Therefore, he asked Madara Uchiha to bring more pairs for research. This was their secret, and it could not be known by others.

"Very well, I understand."

"Izuna, go and retrieve the eyes of Father and the others, and bring three additional sets of Three Tomoe Sharingan."

Madara Uchiha nodded slightly, then spoke to Izuna Uchiha.

"I understand, Brother."

Izuna Uchiha had no choice but to turn and leave the office, heading back to the clan compound to retrieve the eyes.

Two months after the founding of Konoha, all the nations saw the results and followed suit, establishing their own ninja villages.

The Land of Lightning gave birth to Kumogakure, with its leader styling himself as the Raikage—the First Raikage.

The Land of Water gave birth to Kirigakure, with its leader styling himself as the Mizukage.

The Land of Wind gave birth to Sunagakure, with its leader styling himself as the Kazekage.

The Land of Earth gave birth to Iwagakure, with its leader styling himself as the Tsuchikage.

They were all the first generation of Kage. Suddenly, a frenzy of village-building swept across the entire ninja world, and countless smaller nations followed suit.

Back in Konoha, Madara Uchiha and Izuna Uchiha had also seen some success in their research into the Eternal Mangekyo Sharingan.

"I feel my vision has become sharper, and my ocular power is becoming increasingly abundant. I suspect the Eternal Mangekyo Sharingan is not far off."

Madara Uchiha felt the power surging within his eyes, nearly intoxicating him; such strength was truly immense.

However, because Tajima Uchiha's eyes were only at the peak of the Three Tomoe level, the speed at which Madara Uchiha could convert them into the Eternal Mangekyo Sharingan was slowed, and he could not achieve the Eternal Eye immediately.

"Brother, my eyes are the same. I can feel a more powerful force awakening."

"It seems the records in that ancient text are correct. Someone wants to use us to awaken the Rinnegan, and then possess our bodies in an attempt to release that so-called Celestial Maiden."

"I wonder who this person is, and what kind of strength they possess, to be able to incite wars in the ninja world for thousands of years."

"Such a person is terrifying. I do not know if our current strength is enough to defeat him."

Izuna Uchiha also felt his own Sharingan growing stronger, and he began to believe more and more in the events recorded in that ancient text.

Deep down, there was a fair amount of anger. Thinking of how Black Zetsu had actually incited a war and even wanted either him or his brother to die—this was simply unforgivable.

"I will not let you come to any harm. You are the only younger brother I have left, and I will certainly protect you well."

"If anyone wants to kill you, I will make sure they die first."

Madara Uchiha also harbored a great deal of fury in his heart. He never expected that someone would actually want to kill his brother. Everything happening now was confirming, step by step, what was recorded in the ancient texts.

They wanted his life or his brother's; such a person absolutely could not be left alive, no matter what.

"How have Hashirama's experiments been going lately?"

Madara Uchiha then looked at Izuna Uchiha and asked, as he was very eager to know the current results of Hashirama Senju's research and whether it could truly succeed.

"I went to check just a moment ago. The Three Tomoe that Hashirama transplanted transformed directly into a Mangekyo Sharingan due to the stimulation of his Senju bloodline. The specific abilities are not yet clear."

"Furthermore, after transplanting Big Brother's cells, the aura on his body has become increasingly powerful—at the very least, several times stronger than it was before."

"The things written in that book are being verified one by one."

"Brother, it is very likely that Hashirama can truly awaken the Rinnegan."

"When the time comes, if you and Hashirama both awaken the Rinnegan, I believe that two pairs of Rinnegan will definitely be able to kill that damned black thing."

Izuna Uchiha had just been to see him; Hashirama Senju's Mangekyo Sharingan had already been activated, and his physical strength was beginning to grow stronger at a rapid pace.

When the time came, Hashirama Senju and Madara Uchiha's two pairs of eyes would surely be able to kill Black Zetsu, and they would no longer have that scourge to worry about.

"Hmm, very good."

"As the final evolutionary form of the Mangekyo Sharingan, the Rinnegan must be even more powerful than the Eternal Mangekyo Sharingan we are about to awaken."

"I truly look forward to seeing what kind of abilities he will possess! Heh!"

A golden glint flashed in Madara Uchiha's eyes. He was already very satisfied with the current Eternal Mangekyo Sharingan, but what if it were the even stronger Rinnegan?

What kind of level could he reach? Now, he and Hashirama were already invincible in the world. After possessing the Rinnegan, it would surely make them even more powerful, perhaps even becoming existence akin to gods.

"Heh, with Brother saying that, I am looking forward to it even more!"

Izuna Uchiha sat with Madara Uchiha atop the Hokage Rock, looking down at the entire village, and smiled slightly.

"Heh, hahaha...!"

Madara Uchiha and Izuna Uchiha shared a laugh.

Inside the Konoha hospital, Senju Fujima had performed the surgery on Hashirama Senju personally. Among the Senju Clan, only Hashirama Senju and he possessed the most powerful medical ninjutsu, so he had handled the operation himself.

"Father, how do you feel?"

Senju Fujima looked at Hashirama Senju before him and inquired.

"I feel great, and my power has surged several times over. Even without using Sage Mode, I am now stronger than I was when I used it before."

"Moreover, this Mangekyo is truly powerful; each eye possesses unique ocular techniques."

"It is even more uncanny than Madara's eyes, heh!"

Hashirama Senju looked at Senju Fujima and smiled slightly. Feeling the unique ocular techniques within both eyes, he realized that the Sharingan was indeed a formidable set of eyes.

"Heh, that is good."

"Father, do you feel that the Uchiha bloodline within your body has stabilized?"

"If it is stable, I will increase the dosage of DNA I am injecting into you."

At the very beginning, Senju Fujima had not dared to inject too much of Madara Uchiha's bloodline.

After all, he did not want his old man to end up like the Madara Uchiha from the original records, with a face growing out of his chest—that would be truly hideous.

Therefore, his bloodline injections for Hashirama Senju were very slow, measured in fixed quantities each time, and he would only allow another injection and fusion after he had adapted and absorbed the previous one.

Although the speed was a bit slower, it was very steady and made it much easier to absorb and fuse.

"Hmm, it is about time; let us continue!"

Hashirama Senju nodded slightly, looked at Senju Fujima, and smiled.

"Alright, then I will inject it one more time and see if it has an effect."

Seeing Hashirama Senju confirm, Senju Fujima nodded quickly and inserted the syringe in his hand directly into his body.

"Father, that is about it. Get used to it, and let me know once you have adapted!"

"I will be heading off now, bye-bye!"

Soon, Senju Fujima had implanted Madara Uchiha's DNA into Hashirama Senju's body once again. After the injection was complete, it would be up to him to digest and absorb it on his own.