"So this is the Tenseigan. As expected, it contains terrifying power." Obito spoke softly, his Three Tomoe Sharingan narrowing slightly.
Beside him, a patch of green aloe leaves emerged, and White Zetsu appeared at the same time. He said in a low voice, "That's right, this is the Tenseigan. But the chakra it contains is far too terrifying, so controlling it will likely be difficult. Without the bloodline of the Otsutsuki Clan and the Hyuga Clan, even touching it would be extremely dangerous."
"Oh... is that so?" Obito murmured as he leapt up and placed a hand on the Tenseigan, completely ignoring Zetsu's warning.
Yet the instant he touched it, his expression changed drastically. Naturally, no one could see it through his mask.
But as the Tenseigan's immense chakra erupted, the arm that had touched it immediately caught fire.
Obito hurriedly retreated and silently stared at his burning arm. Then, without hesitation, he cut it off.
No blood flowed out. Only white fluid dripped down, the same color as White Zetsu's body—the cells of Senju Hashirama.
"Looks like it really won't be easy to get my hands on it. Do you have any good ideas?" As Obito spoke, he stimulated the Senju Hashirama cells with chakra, and his severed arm regenerated at an extraordinary speed.
Black Zetsu glanced at him. After considering it for a moment, he said, "There is... According to Uchiha Madara's investigations and understanding before his death, there is an Ancient Ninjutsu capable of stimulating the Tenseigan and splitting its energy. Perhaps that would allow us to control it."
"What ninjutsu?" Obito asked softly.
Black Zetsu said gravely, "Ancient Ninjutsu is very complex. Even with the Sharingan, you wouldn't be able to copy or use it. But as Uchiha Madara's will, I can use it. Let me