Arc 7Madara’s Fall and Yū’s Departure
Namikawa Yū stopped Uchiha Madara’s attempt to gather the Tailed Beasts, then left the Ninja World after arranging for the Federation to continue without him. Back in Konoha, he helped expose Orochimaru’s experiments and weaken Shimura Danzō’s control of Root.
- Uchiha Madara took Shukaku from Sunagakure, but Namikawa Yū confronted him and later joined the assembled villages to defend the Three-Tails in Kirigakure.
- Namikawa Yū and the revived Kage fought Madara, and Yū used his awakened Karma to defeat him, kill him, and take his Rinnegan.
- Namikawa Yū consumed Madara’s corpse, sealed Black Zetsu away, and stepped down as Federal Leader as the villages prepared to choose his successor.
- Uchiha Akira won the Federation leadership contest, and Namikawa Yū revived the Senju brothers and others before entrusting the Rinnegan to Senju Hashirama and Uzumaki Mito and leaving the world.
- After returning to Konoha, Namikawa Yū supported Namikaze Minato’s rise to Hokage and investigated Orochimaru’s experiments, discovering that Konoha ninja including Yamato were being used as subjects.
- Namikawa Yū gave Minato evidence linking Shimura Danzō and Root to Orochimaru’s work, then fought off Orochimaru when he attacked and helped reveal Orochimaru’s crimes.
- Minato appointed Uchiha Yakumi as Root’s deputy leader and ordered Danzō to remove Root’s cursed seals, weakening Danzō’s authority.