In a flash, two days passed.
After deliberately resting, the fatigue accumulated from staying in the lab was swept away. Yakushi Kabuto adjusted himself to his best condition.
Because Orochimaru's sleeping time was not as long as planned, Yakushi Kabuto had extra nutrient solution left over, which was just right to use on himself.
After setting up the circulation device for the nutrient tank, Yakushi Kabuto took off his clothes and immersed himself completely in the light green solution.
Beside the nutrient tank, Orochimaru looked serious, a pair of golden eyes flashing with light, but his own aura was not revealed at all.
After skillfully controlling the Senjutsu Chakra in his body, he could now completely hide his aura, like the three snake princesses of Ryuuchi Cave, so that he wouldn't be smelled of cold bloodiness at first glance.
Orochimaru frowned and said, "Before the formal experiment, I will conduct a test. If you feel any discomfort, say it directly. Don't force yourself."
In the nutrient tank, Yakushi Kabuto, wearing a breathing device, nodded slightly, causing ripples in the light green solution.
"Senjutsu: Shape-Shifting Body!"
Seeing this, Orochimaru didn't say anything more, and directly formed hand seals. The flesh and blood of his chest and abdomen swelled slightly, turning into twisting tentacles.
Through the glasses and the solution, Yakushi Kabuto saw this scene and his eyebrows couldn't help but twitch.
Although he knew that Orochimaru-sama's strange tastes weren't just a day or two, with things like 'Great Snake Style Substitution Jutsu', 'Soft Body Modification', and 'Great Snake Summoning Technique'... his worldview was still being refreshed every time.
Tentacles, what new technique has Orochimaru-sama developed this time?
Seeing that Yakushi Kabuto's face was strange, Orochimaru licked his lips, didn't explain, and smiled casually.
A white tentacle reached into the solution and pierced directly into Yakushi Kabuto's chest, at the heart, where the Chakra meridians were most concentrated.
The two were connected by this tentacle, and through this channel, Senjutsu Chakra slowly poured into Yakushi Kabuto's body.
A cry of pain rang out almost at the same time. Yakushi Kabuto's face twisted, as if he was bearing an unimaginable weight.
He subconsciously gasped violently, the oxygen in the respirator was being consumed several times faster, and in the monitoring instruments, cell activity was also continuously rising.
Orochimaru nodded slightly. Although he didn't know the basis for the genie's judgment, his judgment was clearly correct. Yakushi Kabuto did have Senjutsu talent. At least, he was very compatible with Ryuuchi Cave's Senjutsu.
Being invaded by Chakra far stronger than his own, having a sense of burden was a very normal phenomenon, like Jinchuriki, only a few people in the entire ninja world could withstand it.
But after accumulating natural energy in his body, Yakushi Kabuto did not show any signs of petrification, nor did he lose his mind or go crazy. His Senjutsu affinity even exceeded Orochimaru's expectations, and he was now beginning to merge with natural energy.
This naturally had the effect of his painstaking control, but more of it was due to Yakushi Kabuto's own talent.
"Perhaps, this transplant experiment has a great chance."
Orochimaru licked his lips, slowly increasing the amount of Senjutsu Chakra, testing the upper limit that Yakushi Kabuto's body could withstand, and trying to manipulate his cells and Chakra.
Yakushi Kabuto suddenly felt that his heart no longer belonged to him, beating sometimes fast and sometimes slow, with a strange frequency.
Affected by the changes in heart rate, other organs also produced some abnormalities, as if a large stone was pressing on his chest.
This feeling was so painful and awkward that Yakushi Kabuto couldn't help but make a sound, "Orochimaru-sama... it's so uncomfortable..."
The voice was strange and hoarse, like it was being squeezed out from a crack in the door.
Orochimaru raised his eyebrows, stopped 'playing' with Yakushi Kabuto's body, and instead continued to try to control the Chakra.
No matter how well he understood the structure of the human body, compared to the body's self-regulation, his control was ultimately worse.
Yakushi Kabuto immediately breathed a sigh of relief. Although his body was still under Orochimaru's control, it was much better than before.
So he kept talking, giving feedback on his body's feelings, and Orochimaru's manipulation changed accordingly.
This process lasted for a full quarter of an hour. On Yakushi Kabuto's body, he figured out the range of Senjutsu Chakra, and to what extent he could control Yakushi Kabuto's body.
The tentacles slowly retracted, Orochimaru sat cross-legged, and began to recover the consumed Senjutsu Chakra through meditation.
In the nutrient tank, Yakushi Kabuto also closed his eyes and began to adjust to the discomfort in his body.
A moment later, Orochimaru stood up from the ground, tentacles probing out from his body again, piercing directly into Yakushi Kabuto's chest, circling an area rich in Chakra on his body.
Yakushi Kabuto's expression slightly condensed. He knew that the main show was about to begin. Having witnessed many Uchiha Clan transplant experiments, he knew the danger involved. Not daring to be careless, he was on high alert.
As expected, soon, the fusion solution of First Hokage cells was injected from the syringe.
The pain of the injection was not worth mentioning, but Yakushi Kabuto revealed his Byakugan, tears and mucus flowing, his whole body convulsing like a patient with epilepsy, splashing a lot of solution out of the nutrient tank.
"As expected, it's still so overbearing."
Orochimaru's expression was solemn. He had already used Senjutsu Chakra to define the scope of the First Hokage cells' action, but that strange erosion easily broke through the defense and directly affected Yakushi Kabuto's spiritual body.
Clearly it was just laboratory-grown cell tissue, uncontrolled, but the Chakra strength was even greater than his own.
How could human cells do this?
Thinking of this, Orochimaru's expression froze, and he suddenly thought of the creature he had captured that night at the genie's instigation.
"No way, the First Hokage should be a person, he has all the organs that people have... Tsunade is still his granddaughter..."
But this couldn't explain why, after the First Hokage cells went out of control, they would homogenize the experimental subjects into trees.
Wood Release alone couldn't explain it, just as magnetic style ninja wouldn't turn into iron sand after death.
Previously, Orochimaru had always put this question aside, explaining it with Senju Hashirama's own uniqueness, but now it seemed that he was even more special than he had imagined.
He told the genie his guess, and the genie stroked his chin, frowning,
"It's not impossible. Senju Hashirama is special. He has Ashura's Chakra, but he is stronger than the previous hosts. Perhaps it is because of his ancestral return..."
"No, it's not so much an ancestral return, but rather a perfect harmony between the Ootsuki clan's bloodline and the ninja world's bloodline... Tsk, tsk, time is really mysterious. Clearly he's a person, but he also has the characteristics of a tree..."
"Indeed."
Orochimaru also sighed in his heart, really wanting to see the living Senju Hashirama and have him lie on this experimental bed.
But time is irreversible, and who knows how long it will take to see another First Hokage in the future.
"Don't be so busy sighing, that Yakushi Kabuto is about to be killed."
The genie reminded, "Focus on this transplant experiment."
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