Arc 2Chunin Exams and Konoha Crush
Issui helped Hinata awaken her bloodline, defeated Zabuza, took Haku into his care, and became chief examiner for the Chunin Exams. After bonding with the dragons Christina and Fini, he oversaw the finals as Orochimaru launched the Konoha Crush and Issui confronted Baki.
- Issui guided Hinata through the bloodline optimization ritual, removing her Byakugan’s blind spots and awakening her ability to use Ninjutsu.
- Issui fought Zabuza in the Land of Waves, protected Haku, and persuaded her to live and help change the ninja world after Zabuza died.
- Issui and Hinata became engaged, and the Third Hokage appointed Issui chief examiner for the Chunin Exam preliminaries.
- Issui fought Orochimaru in the Forest of Death, escaped his Earth Prison Dome, and later oversaw the preliminary matches as Hinata and Naruto advanced.
- Issui trained Hinata while she confessed her love, then summoned Christina and bound her soul with the Ice Soul Seal.
- Issui also bound Fini, brought her to Konoha, and reassured Hinata and Haku as they adjusted to the dragon’s presence.
- Naruto defeated Neji in the finals, Kankuro forfeited to Shino, and Temari won after Shikamaru forfeited.
- Sasuke wounded Gaara before Orochimaru attacked the Third Hokage and the invasion began, while Issui trapped Baki in the Death God Encounter Technique.