Arc 6Sage, Siblings, and the Three-Tails
Shinsei revealed Naruto’s parents, faced pressure from the Great Toad Sage and the White Snake Sage, and helped Sasuke confront his Mangekyō and restore his eyesight. The arc left Shinsei, Sasuke, Naruto, Sakura, and Tsunade departing for the Land of Water to aid Kirigakure against the Akatsuki.
- Shinsei stopped Sasuke and Minato’s fight, revealed Minato and Kushina’s identities, and learned that the Great Toad Sage had identified him as the unmarked sage.
- Shinsei helped Naruto meet Minato and Kushina, who revealed they were his parents from another world and said goodbye after sharing memories and chakra with their younger counterparts.
- Fukasaku explained the origins of Sage Mode, and Shima warned Shinsei that the White Snake Sage wanted Mount Myōboku to join forces against him.
- Shinsei learned that the Akatsuki planned to capture the Tailed Beasts and create the Ten-Tails, then spread intelligence about Nagato and the Rinnegan while strengthening Konoha’s defenses.
- Sasuke’s Mangekyō awakened when Fugaku struck him, and Sasuke used Kamimusubi on Mikoto before Shinsei fought him and brought him back from his violent rage.
- Mito helped Naruto face the Nine-Tails’ resentment, while Shinsei and Mito restrained him after he transformed and grew six tails.
- Shinsei and Orochimaru developed chakra-boosting cells, which increased Kakashi’s reserves and restored Sasuke’s eyesight after Shinsei injected him with a pale green solution.
- Shinsei guided the Nine-Tails into flattening mountains between the Land of Rain and the Land of Wind, then sealed Naruto’s transformation and departed with Sasuke, Naruto, Sakura, and Tsunade for the Land of Water.