"Alright, stop overthinking it. I'll accompany you to conduct the experiment!"
Uehara Naraku retracted his wings with a smile and said, "With me here, even if your experiment fails, I can save you."
"Yes, thank you, Lord Naraku!"
Yakushi Kabuto nodded seriously and said, "Then allow me to prepare some materials for myself, since I've already thought of how to transplant the Kamui Sharingan and the First Hokage's cells into myself during the journey."
"Oh?"
Uehara Naraku immediately became curious.
As a disciple of a bona fide scientist, Yakushi Kabuto's method of transplanting Hashirama cells is more stable and safe compared to Nagato and Karin's experiments.
Moreover, Yakushi Kabuto doesn't need to awaken the Wood Release. In fact, he believes he doesn't have the aptitude for it. He only needs the chakra of Hashirama cells to reduce the consumption of the Sharingan.
Yakushi Kabuto cleverly cultivated the Hashirama cells into the shape of a human face and placed the Kamui Sharingan into the eye socket of the face, carefully waiting for their stable fusion, then began to add various miscellaneous things like the optic nerves inside the face.
Perhaps because Uehara Naraku could give him a lot, Yakushi Kabuto didn't plan to use the Sharingan to replace his own eyes. He likes to add things to his body rather than take his own things away.
"Will this work?"
Uehara Naraku raised his eyebrows and said, "If Kamui's strongest phasing ability to evade attacks can't be used, its utility will be greatly reduced... No, it seems like it can't be used now either, since the Four-tailed Jinchuriki is still inside!"
Yakushi Kabuto chuckled and shook his head, looking at Uehara Naraku as he spoke, "Lord Naraku, please don't worry. I'll make proper arrangements. I'll figure out a way to imprison the Four-tailed Jinchuriki..."
"Alright!"
Uehara Naraku still greatly trusts Yakushi Kabuto's intelligence.
The problem is that this experiment seems to take a long time. Yakushi Kabuto, to be absolutely sure and to maximize the power of the Kamui Sharingan, continuously makes adjustments to it.
Even Karin, his assistant, is a bit puzzled.
Not to mention Uehara Naraku, who's a dummy in science.
Half a month's time.
Uehara Naraku watched the face made from Hashirama cells still in cultivation and could no longer wait: "Give me an accurate answer, how much longer do you need to complete this?"
"About ten years or so."
After Yakushi Kabuto said that, he saw Uehara Naraku's somewhat difficult expression and instinctively changed his words: "Cultivating for at least five years..."
Uehara Naraku tapped on the experiment table: "Can you tell me the experiment principles? Why can't you directly fuse Hashirama cells into your body and then transplant the Sharingan? Regardless of the problem, I can help you resolve it!"
"..."
Yakushi Kabuto looked at Uehara perplexedly.
The issue is, if he explains the experiment principles to Uehara Naraku now, would this superior understand?
However, as a qualified subordinate, regardless of whether the superior can understand or not, Yakushi Kabuto still has to explain: "The chakra needed by the Sharingan far exceeds what I possess, and even after transplanting Hashirama cells, my physique may not withstand the consumption of the Sharingan. It would be easy to end up in the situation of Konoha's Copy Ninja Kakashi..."
Everyone knows about Hatake Kakashi's problem.
Because he doesn't have the Uchiha physique, he can't deactivate the Sharingan.
Therefore, Kakashi's chakra has never been abundant, often having to meticulously plan battles to use a C-Class Ninjutsu at the perfect moment...
Yakushi Kabuto definitely does not want that!
Uehara Naraku forcefully tapped the experiment table and asked in a deep voice, "Is there no other way? By the time you finish this experiment, I'll probably have already eliminated Uchiha Madara..."
Dammit!
Waiting four or five years, how could he!
The Three-tailed from the Hidden Mist Village will revive in at most two years, even if Uehara Naraku can control the Akatsuki organization to collect the Tailed Beasts at a certain pace, he doesn't have the patience to wait!
Instead of waiting for Yakushi Kabuto to fully become like Uchiha Obito, it'd be better to directly manipulate the reanimated Uchiha Obito to continue working!
"How about this?"
Uehara Naraku raised his eyebrows, activating his minimal scientific knowledge: "You could try to make a White Zetsu into armor, wear it on your body, and then transplant the Sharingan onto the White Zetsu. You can find a way to control the consciousness of this White Zetsu..."
"..."
Yakushi Kabuto was silent for a moment, then pushed up his glasses and slowly raised his head to look at Uehara Naraku: "Has Lord Naraku really never been involved in biological experiments?"
"Are you mocking me?"
Uehara Naraku stood with arms crossed, looking at Yakushi Kabuto with a half-smile: "Is the method I proposed unfeasible?"
"No, it's an extremely genius idea."
Yakushi Kabuto nodded seriously, and then explained in a deep voice: "Although the principle sounds quite naive... No, very concise, I indeed have a similar method."
Uehara Naraku: "..."
Was Yakushi Kabuto just mocking him?
Yakushi Kabuto didn't know what Uehara Naraku was thinking, but slowly clenched his fists: "This was the method I intended to use when transplanting Orochimaru-sama's cells. Now perhaps it can be initially used on White Zetsu, this method can be applied by analogy."
Yakushi Kabuto once attempted to seal the cells of Orochimaru, Kidomaru, and others onto his body. Those cells and chakra even allowed a new Orochimaru to manifest within him, thus enabling Yakushi Kabuto to use all of Orochimaru's Ninjutsu.
During the historical Fourth Great Ninja War,
Yakushi Kabuto continuously manifested semi-bodies of many people on his body, releasing the ninjutsu they mastered, showing he'd had this intention long ago.
Perhaps due to this thought, Yakushi Kabuto's experiment progressed very smoothly. He erased the consciousness of a White Zetsu and sealed its body within his own.
When Yakushi Kabuto needed to use White Zetsu, he would release it, wrapping his body like armor.
On this White Zetsu, it bore the Wood Release from Hashirama cells and the Kamui Sharingan.
Yakushi Kabuto wore the body of White Zetsu, hiding his true body within, slowly clenching his fist: "Wood Release, Mangekyo Sharingan... The experiment seems to be progressing more smoothly than I imagined."
"Can your true body use Kamui?"
Uehara Naraku frowned and asked, "What if someone attacks, penetrates through White Zetsu's body, and injures you?"
"This White Zetsu is a part of my body."
Yakushi Kabuto shook his head, and the White Zetsu on him swiftly flowed over his body like liquid—these were cells of White Zetsu moving!
As these cells rapidly moved, they gradually revealed Yakushi Kabuto's true appearance, and those White Zetsu cells quickly poured into Yakushi Kabuto's chest and abdomen.
However, on Kabuto's chest and abdomen, there was a patch of white, with a Sharingan grown on it.
It looked somewhat creepy.
After Uehara Naraku touched his chin, he nodded and said: "If it weren't for the eye on your chest being too creepy, and the experiment being so… something, I'd almost want to make a White Zetsu cloak for myself."
"I can prepare a stronger one for Lord Naraku..."
"No, thank you."
Uehara Naraku quickly shook his head and sighed: "If there's a chance, how about you make me a mech instead!"