As agreed, Tsunade led them to the area where the patients were isolated. Only a small number of ninja guarded these places, but faced with Uchiha Yū's overwhelming strength, they could only surrender obediently. Those who resisted were all knocked unconscious.
Shizune was the only one busy inside the cave. In the area far from the lake, the natural energy was much weaker and would not affect the human body. Even though Shizune had been in close contact with them, no abnormalities had appeared on her body.
Combined with what Katsuyu had said during the battle, it was certain that the excessive natural energy had caused their bodies to mutate.
Uchiha Yū looked at the imprisoned patients. Their faces were twisted with madness as they roared and slammed against the bars, trying to escape the isolation ward.
"The natural energy has invaded them severely."
After examining them, Uchiha Yū frowned tightly and unconsciously lowered his head in thought. That single gesture made Tsunade suspicious.
The person before her was very similar to the brat who had once followed her around. Whenever he encountered a problem, he would unconsciously lower his head.
What am I thinking? Grass has probably grown over Uchiha Yū's grave by now. It's just a pity I didn't attend his funeral.
Uchiha Yū's death was no secret throughout Konoha. After all, on the night of the Nine-Tails' Attack, the final battle had been an assault by the Hokage's high-ranking faction against Uchiha Yū. In the end, he had died at the hands of the Fourth Hokage.
He had not noticed that habitual gesture of his while thinking.
As for how to gather the natural energy, it was not difficult for Uchiha Yū. The Curse Mark power currently used by Akatsuki had been created to develop and harness