Yamato thought of many things in that instant. The already mysterious Captain became all the more terrifying in his mind. The Wood Release Experiment was taboo in the village; Konoha could not possibly have told Sunagakure about it, much less conducted it here. The only explanation was that the Captain and Sunagakure shared some unspeakable secret...
At that thought, Yamato's first instinct was to flee.
Yet all he heard was a sigh. A pair of Three-Tomoe Sharingan appeared in his mind, and everything went blank.
After successfully placing Yamato in the Experiment Chamber, Anyo began channeling senjutsu power through his body and pressed his hand against the glass of the vessel, monitoring Yamato's condition throughout.
No one in the world knew Hashirama cells better than he did. When he had reconstructed his body, the Wood Release Clone had played a decisive role. He had broken down its Hashirama cells with senjutsu, studied their vitality, and finally analyzed them for use in reconstructing his own body.
In fact, back then, Anyo could easily have absorbed the clone's Hashirama cells for his own use. Not only could he have mastered Wood Release, but he could also have greatly shortened the time needed to reconstruct his body, gaining the two clans' most fundamental powers in one stroke.
In the end, Anyo had abandoned that tempting idea. No matter how good someone else's things were, they were not his own. Incorporating Hashirama cells into his new body would indeed have brought rapid improvement in the short term, but in the long run, it would also have been a constraint. Yamato before him was one such example: his current strength as a jonin was already his limit. Reaching Hashirama's heights was impossible. That was caused by a physical deficiency and had nothing to do with