Arc 23Return to Konoha
After consolidating his hidden base and returning to Konoha, Senju Chen confronted the truth behind Hatake Sakumo’s supposed death and began reforms in the village. The arc ended with Tsunade demonstrating that Chen had restored Maruboshi Kosuke’s lost foot to the Elders.
- Senju Chen exposed Tsukiki as the spy Yamano and brought Mei Terumi, Chōjūrō, Zabuza Momochi, and other gifted youths to his hidden base for training.
- Senju Chen expanded the base’s trainees and operations, then sent Zabuza Momochi and Haku out as a field team.
- Senju Chen returned to Konoha, reunited with Tsunade and the Uchiha family, and watched Naruto Uzumaki and Sasuke Uchiha’s close friendship.
- Senju Chen proposed Ninja Academy and medical reforms to Tsunade, and revealed to Kakashi that Danzō had framed Hatake Sakumo and that Sakumo was alive undercover as Fang.
- Senju Chen arranged for Kakashi to reunite with Sakumo at the Land of Waterfalls base, while Tsunade prepared to restore Sakumo’s public reputation through declassified records.
- Senju Chen announced the Purification plan to Public Security Department leaders and ordered senior officers to undergo further training.
- Tsunade examined Maruboshi Kosuke’s restored left foot and confirmed its fusion, sensation, and chakra flow were sound.
- Tsunade presented Kosuke’s restored foot to the Council of Elders, where Kosuke demonstrated its strength and Tsunade credited Senju Chen.