Arc 9Hokage and the Allied Forces
Issui defeated Kakuzu and Hidan, confronted Akatsuki, and helped save Konoha from Pain before becoming the Sixth Hokage. At the Five Kage Summit, he helped form the Allied Shinobi Forces, defeated the Fourth Raikage in a spar, and faced Obito as he declared war.
- Issui led Shikamaru and Kiba to defeat Kakuzu and Hidan, then rejected Konan’s offer to join Akatsuki and forced her to accept his Soul Seal.
- After Jiraiya’s death and Akatsuki’s attack on Konoha, Issui fought Pain, persuaded Nagato to abandon his plan, and sealed Nagato’s soul after he revived the village’s dead.
- With Tsunade unconscious, Issui won the Fire Daimyo’s appointment as Sixth Hokage over Danzo and Kakashi, then promised to protect Konoha.
- Issui attended the Five Kage Summit with Hashirama Senju and Tobirama Senju, urging the Kage to unite against Akatsuki and establish the Allied Shinobi Forces.
- Issui fought the Fourth Raikage at the summit and won after using ice, Genjutsu, and Twin Dragon Ice Storm, earning the Raikage’s respect.
- Issui voted for the Raikage to lead the Allied Shinobi Forces, and Ōnoki cast the deciding vote for him.
- Obito appeared at the summit, identified himself as Uchiha Madara, declared the Fourth Shinobi World War, and fought the Kage as Issui attacked him with Amaterasu’s black flames.