In the cave, Che prepared slides from the twelve cell tissues he had collected, comprising four beasts and eight humans. However, upon observation, their cell tissues had not undergone significant changes.
This suggests the problem likely lies with the filter size of the Sealing Technique, which involves the essence of Chakra and is something he cannot yet fully comprehend.
Nevertheless, it didn't prevent Che from transplanting White Zetsu Cells into himself based on the successful version that combined Wood Release, Yang Release, and Sage Art.
This way, Che's Chakra reserves should be able to double in a short period, reaching the level of a seasoned Kage, approximately fifty units.
Che could also use Wood Release with the help of White Zetsu's Wood Release Chakra. Although it wasn't Wood Release on Hashirama's level, with Che's proficiency in Water Release and Earth Release Chakra nature transformation, he could use White Zetsu Wood Release to comprehend his own Wood Release Bloodline Limit.
Perhaps once he activated his Wood Release Bloodline Limit, he could uncover the recessive genes of Wood Release, making it even more powerful then.
As for Yang Release Chakra, Che's own Yang Release level, due to his Medical Ninjutsu, was no lower than that of the secondary White Zetsu Cells' Yang Release.
It would likely be difficult to activate his own Senju Body recessive genes using White Zetsu's Yang Release; he should wait until he transplants Hashirama cells later.
Finally, there was the effect of this stigma absorbing Natural Energy. This was somewhat similar to Orochimaru's Earth Curse Mark; these Natural Energy would erode the human body, making people somewhat strange.
However, Che himself had some comprehension of Sage Art Chakra and Sage Mode, so stabilizing the Natural Energy absorbed by these White Zetsu Cells should not be too difficult.
Therefore, Che would not experience physical changes when using the Sage Art Chakra brought by the stigma, but increased physical prowess, reaction speed, and sensory abilities should all be standard.
This amount of Sage Art Chakra might not be enough to activate the Sage Body; even a secondary Sage Body likely couldn't be activated.
Che still had a long way to go to develop his own Sage Mode. He didn't plan to learn the Sage Mode of the Three Great Sage Locations; who knew if there were any hidden dangers.
Reina emerged from the secret room. She watched Che drawing Sealing Technique formations on the ground and began to observe with curiosity.
This time, Che wasn't drawing the elementary versions used for experiments; he was using the original version of White Zetsu Cells, so he naturally had to use the best for himself.
"Reina, seal the cave entrance with a Sealing Technique. Don't let anyone in. Don't worry if you see me in pain; it's a normal phenomenon."
Che instructed Reina to set up the Sealing Technique, while he repeatedly checked his Sealing Technique formation engravings for any issues.
As Reina covered the entire secret room with Sealing Technique, these were the results of her practice over the past few days, now coming in handy.
Creating a Escaping Rabbit Shadow Clone, Che took off his upper garment and sat in the center of the Sealing Technique formation, while the Shadow Clone held a test tube containing one portion of White Zetsu Cells, ready to begin at any moment.
"Begin," Che said to the Shadow Clone, then gritted his teeth, preparing to endure the pain.
The Shadow Clone performed hand signs, and Sealing Technique runes climbed from the ground onto Che's body, then formed an unusual Eight Trigrams Tai Chi diagram between his shoulder blades.
Then, the Shadow Clone used a Chakra Scalpel to incise the skin on Che's back, transplanting the White Zetsu Cells and quickly activating the Sealing Technique.
Neither engraving the Sealing Technique nor incising the skin was particularly painful, but as the White Zetsu Cells were transplanted and the Sealing Technique activated, Che felt what true pain was.
The White Zetsu Cells began to invade Che's cells along the area designated by the Sealing Technique. Perhaps because Che's cells were too powerful, this process was agonizingly slow.
Furthermore, Che's cells were no less fierce than the White Zetsu Cells. Once Che's cells were stimulated into ferocity, they began to devour the White Zetsu Cells in reverse.
A tug-of-war ensued, with both sides continuously battling within this small area, millions of cells being consumed.
When Che felt that this process might be both painful and prolonged, he decisively had the Shadow Clone knock him out. Although he still gritted his teeth and sweated profusely even while unconscious, at least he wouldn't be writhing unsightly on the ground.
Reina watched Che collapse onto the ground with great concern. After receiving permission from the Shadow Clone, she placed Che on a wooden bed and wiped his sweat with a towel.
Meanwhile, Che's Shadow Clone was writing experiment records. Che hadn't expected himself to be so unique; his own cells were fighting the White Zetsu Cells to a standstill.
Time passed minute by minute, and the battle between the two types of cells on Che's back still hadn't ended. There were trench warfare, infiltration, flanking maneuvers—it was endless.
Che's back skin color was also mixed, with Che's normal skin color and the pale skin color of the White Zetsu Cells intermingling.
It was still undergoing dynamic changes, and it hadn't ended even as dusk fell. However, Che's consumption was also significant; the war in this area consumed a lot of nutrients.
Fortunately, the Shadow Clone injected Che with a high-energy nutrient solution, preventing the struggle between the two types of cells from affecting Che himself.
A night passed. As dawn approached, Reina had not slept all night, taking care of Che the entire time, while the Shadow Clone periodically recorded something.
After a night, the war between the two types of cells was finally nearing its end. Che's back cells seemed to have undergone multiple reversions or evolutions due to their struggle with the White Zetsu Cells.
Now, they had completely gained the upper hand, and after devouring the White Zetsu Cells, combined with the reversion or evolution, Che's back cells had already activated the Wood Release Bloodline Limit and a degraded Sage Body's Senju Body.
Once they gained the upper hand, these rootless White Zetsu Cells were quickly besieged and devoured. Finally, the cells sealed in this area transformed into Che's evolved or reverted cells.
These cells were extremely active, almost possessing the essence of Hashirama cells. They constantly tried to break free from the Sealing Technique's restraints, but unfortunately, they were unsuccessful.
As Che woke up, these cells were even less likely to rebel. After all, they were his own cells, and they became docile once Che's Chakra flowed into them.
It was then that Che had time to feel the changes in his body. First, there was a surge in Chakra reserves, far exceeding the previously estimated fifty units, reaching nearly eighty units.
Furthermore, there were three strange types of Chakra surging: one was Yang Release Chakra with even more powerful nature transformation, and one Che guessed was Wood Release Chakra.
The last one was Sage Art Chakra. Now, the cells on Che's back seemed to have become a battery and converter specifically for stably absorbing Natural Energy and synthesizing Sage Art Chakra.
If these Sage Art Chakra were not used, they would seemingly accumulate slowly until they exceeded Che's control, causing Che's body to undergo Sage Transformation.
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