Arc 4Sage Mode and the Iwa Front
Orochimaru brought Tsunade back to Konoha, developed a powerful Sage Mode, and headed for the Iwa Front as war spread and Madara confronted him. After their battle, Orochimaru continued onward and fought Roshi, while Obito awoke in Madara’s hideout.
- Hiruzen Sarutobi appointed Orochimaru chief examiner for the Chunin Exams, where Orochimaru’s squad won the team battle and Kakashi defeated Might Guy in the individual final.
- Orochimaru investigated Sage Art and the First Hokage’s Cells, then recruited Tsunade by helping her settle her debts and arranging Kumogakure’s support against Iwagakure.
- Tsunade returned to Konoha with Orochimaru, and they began developing a human-compatible Sage Art using the Mind Transfer Jutsu and First Hokage research.
- Orochimaru achieved a near-perfect Sage Mode after his first attempt at absorbing Natural Energy nearly petrified his body, then received Ryūchi Cave Sage Art scrolls from Tagorihime.
- Danzo maneuvered Hanzō into opposing Iwagakure and plotting against Akatsuki, while Madara prepared to confront Orochimaru as he approached the front.
- Madara and Orochimaru fought with genjutsu, Sage Art, Susanoo, and the Eight Gates, ending in a devastating clash that left Orochimaru injured and Madara’s transformed body crumbling.
- Obito awoke in Madara’s underground hideout after asking Rin to give his Sharingan to Kakashi, while Orochimaru continued onward and defeated Roshi’s challenge with a Sage Art waterspout.