Materialization to Void and Fusion with White Zetsu

The hereditary situation of the Divine Tree seemed extremely unstable. Ever since Kaguya Otsutsuki ate the Divine Tree Fruit and awakened the Rinne Sharingan, among her two sons, her youngest son Hamura Otsutsuki steadily inherited the primary power of the Otsutsuki Clan, the Byakugan, and passed it down through the generations.

However, her eldest son Hagoromo Otsutsuki regressed into a Rinnegan without tomoe, and the Sage of Six Paths' son Indra also regressed into the Eternal Mangekyo Sharingan. The Sharingan afterward regressed even further to the point where awakening the Mangekyō Sharingan was the absolute limit, and this kind of Mangekyō Sharingan could not even recover its dojutsu power, turning into a flawed Sharingan.

From Kaguya Otsutsuki to the Sage of Six Paths, from the Sage of Six Paths to Indra, and from Indra to the present Uchiha Clan, it all demonstrated that the power inherited from the Divine Tree was constantly regressing. If one wanted to reach the height of Kaguya Otsutsuki's Rinne Sharingan once again, one had to constantly complete these regressed abilities.

As Minagawa Uchiha, who was born into the Uchiha Clan, fusing with White Zetsu was an imperative task.

According to what he knew, there was a certain means of mutual communication among White Zetsu. To avoid exposing himself in front of Obito Uchiha and Black Zetsu, Minagawa Uchiha not only chose the fusion location deep in this forest far away from the clan land, but he also used the Transformation Technique for disguise. Even so, he still felt uneasy, releasing Mangekyō Sharingan dojutsu power all along the way to envelop himself and White Zetsu, carrying out interference and shielding, not daring to let a single mistake happen.

Next will be a relatively risky move. For safety's sake, I had better set a delayed Izanagi first. If everything goes smoothly, I'll cancel the trigger; if any mistakes occur, I'll still have a chance to do it over.

Thinking of this, Minagawa Uchiha recorded his current state using Izanagi, setting it to trigger in one day, and then took out a Soldier Pill, preparing to restore himself to his peak.

Time slipped away quietly, and Minagawa Uchiha adjusted his state to the best. Compared to the previous fusion experiment on rabbits, this fusion with himself would undoubtedly consume more chakra and dojutsu power, and it would inevitably expend more energy in terms of precision.

Actions speak louder than words. Since he had made his decision and still had a backup plan, Minagawa Uchiha no longer acted timidly. He directly activated the Mangekyō Sharingan, picked up White Zetsu, and the large pinwheel in his eye sockets spun continuously. In an instant, Minagawa Uchiha and the White Zetsu in his hand disappeared from the spot.

Arriving in the Dream Space, Minagawa Uchiha's chakra was also more than half consumed. One could imagine that merely using Materialization to Void on an average-strength White Zetsu who put up zero resistance had drained Minagawa Uchiha—whose chakra volume had been elevated to the quasi-kage level after activating the Mangekyō Sharingan—to such an extent. The freakish nature of this dojutsu was evident.

Yet the good news was that the chakra required for Minagawa Uchiha to virtualize himself did not consume nearly as much.

This forced Minagawa Uchiha to hurriedly stuff a couple more Soldier Pills into his mouth. After swallowing the Soldier Pills, he began to study White Zetsu by utilizing his absolute mastery over the Dream Space.

So this is White Zetsu? Even the internal organs have disappeared! This kind of cellular structure is simply a miracle, perfectly combining the advantages of animal and plant cells. It has chloroplasts without cell walls, and possesses not only centrosomes but also vacuoles. There are even plasmodesmata between cells!

Could this be the reason why Hashirama Cells can proliferate infinitely and possess formidable vitality? Or is it because this cell is closer to the Ten-Tails?

With the help of his mastery over the Dream Space, Minagawa Uchiha meticulously analyzed the special features of White Zetsu's cells and understood why this kind of cell was so powerful. Therefore, Minagawa Uchiha no longer hesitated, directly summoning one of White Zetsu's palms and preparing to begin small-scale fusion.

Although the process looked extremely crude, situated within this Dream Space completely controlled by Minagawa Uchiha, he was fully aware of every single change. Under this absolute control, the cells of the two began their path of devouring and fusion.

In this dream world different from reality, the two palms slowly merged into one, turning into a chubby hand. Although they had integrated on the surface, the respective cells inside acted as if infinite potential had been activated, attacking one another.

Minagawa Uchiha hurriedly used his authority to manipulate the Dream Space, initiating guidance on the two sides to suppress their repulsiveness as much as possible and enhance their adaptability.

Time passed slowly, and the cells of both sides gradually adapted to each other, beginning to devour and fuse. Under Minagawa Uchiha's artificial intervention, this experiment—which usually required lengthy trial-and-error and mutual grinding to slowly achieve—succeeded with surprising speed.

In a short while, the first fused cell was born. With the first successful case, the other cells also seemed to have found the key point for mutual fusion, completing the fusion and evolution of all cells even faster than before.

The newly fused cell not only retained all of Minagawa Uchiha's previous genetic traits, but it also perfectly integrated the power of White Zetsu's cells, thereby bursting forth with astonishing vitality.

This was not the end. These cells were intricately connected to each other, actively transmitting information and energy to one another. Then, these cells very rapidly began to devour and assimilate upward into the cells on the arm that had not yet been altered.

Those devoured and assimilated cells seemed to lack sufficient energy for themselves; in order to complete evolution, they began to draw vitality from other parts of the body. Seeing this, Minagawa Uchiha hurriedly used his authority to halt the process.

After a brief thought, he understood the reason. The reason the previous cells could successfully complete fusion and evolution with each other was because they were pairwise fusions from the start, requiring no extra energy or matter to complete the evolutionary leap. But the new cells assimilated now lacked the replenishment of such energy and matter, and could only extract it from other parts of the main body.

This also reflected the terrifying nature of this cell. If there was not enough energy and matter replenishment, it would inevitably drain the main body's vitality completely. This was probably the reason why Hashirama Senju died early.

Minagawa Uchiha no longer hesitated, directly summoning the entire White Zetsu—which had lost a palm—over, casually extinguishing its feeble consciousness, and began the process of complete devouring and fusion.

The consciousness acting as the primary body, however, detached from the physical form, overlooking this cellular fusion and evolution from high above.

Releasing the restriction on the newborn cells on the palm, coupled with the newly introduced White Zetsu body, this fusion and evolution was completed very quickly. There was no visible change from the outside, but when Minagawa Uchiha's mind re-entered the body, he felt the surging vitality within.