Bloodline Purification, the Immortal Mangekyō Sharingan

"Is this all it takes?"

Uchiha Setsuna asked uneasily.

It was a quiet secret chamber, temporarily created with Earth Release ninjutsu for the purpose of purifying Uchiha Setsuna's bloodline, ensuring that the Mangekyō Sharingan he had awakened would not go blind.

From the Warring States Era until the successful establishment of the Ninja Villages, Uchiha Setsuna had tried to reduce the number of battles he fought as much as possible. On one hand, he did not want to contribute too much to Konoha. On the other, he had to consider that excessive use of his ocular power would cause his eyes to go blind.

Uchiha Jobu nodded. "That's right. Next, I'll activate..."

Uchiha Jobu's eyes closed and opened again. His pitch-black pupils instantly transformed into Rinnegan covered in mysterious patterns. Then, an immense amount of chakra—something ordinary ninja could never imagine—suddenly expanded outward from his body with overwhelming force. Three tomoe began revolving around the surface of the Rinnegan.

Sensing that the ocular power in his eyes seemed off, vastly different from when he had previously activated the Nine-Tomoe Rinnegan, Uchiha Jobu did not immediately purify Uchiha Setsuna's bloodline. Instead, he first condensed a water mirror with Water Release ninjutsu. When he saw the Three-Tomoe Rinnegan reflected on its surface, his expression darkened.

Uchiha Setsuna noticed that something was wrong and immediately saw Uchiha Jobu's dark expression. He said, "Is my body too weak? That makes sense. A frail, aged body like this may not be able to withstand your power."

"Since my bloodline cannot be purified, even if my Sharingan eventually loses its light, I can still continue fighting for the Uchiha for several more years. Don't worry too much about these eyes losing their value."

Uchiha Jobu's expression became extremely ugly. Although he had already guessed what was