Arc 2Sage of the Slug Forest
Naoki Senju won Orochimaru’s Wood Release scroll, helped uncover the Ryūmyaku, and gained Sage Mode after meeting the Katsuyu Sage and Hashirama Senju. He returned to the Land of Wind hideout just as Orochimaru revealed that Uchiha Itachi and Kakuzu were approaching with the Akatsuki.
- Naoki Senju defeated Orochimaru in their contest and received the Wood Release scroll, then studied its techniques while Guren joined his household.
- Naoki Senju, Tsunade, Shizune, Guren, and Kabuto Yakushi fled to the Land of Wind after Danzo exposed their hideout, and they discovered the ruined city of Rōran.
- Naoki Senju and Orochimaru found a vast sealing array containing the Ryūmyaku, which Orochimaru said the future Fourth Hokage had sealed.
- Naoki Senju summoned Katsuyu and traveled with Tsunade to Shikkotsu Forest, where the Katsuyu Sage tested his Wood Release and awakened his Sage Mode.
- Naoki Senju met Hashirama Senju through the chakra remnant in a branch, recounted Konoha’s history, and explained his plan to help Tsunade become Fifth Hokage and weaken the village’s leaders.
- The Katsuyu Sage said part of Otsutsuki Kaguya’s soul resided in the Ryūmyaku and advised Naoki Senju to reinforce its seal and consult the Toad Sage at Mount Myōboku.
- Naoki Senju and Tsunade returned to the hideout, where Orochimaru warned that the Akatsuki had destroyed three bases and that Uchiha Itachi and Kakuzu were coming after them.