Arc 15Otsutsuki and Moryo
Ueno Kei joined the Allied Forces as new Otsutsuki enemies arrived, pursued Black Zetsu’s offer, and fought Moryo. The arc ended with Moryo weakened and Ueno Kei confronting him after he escaped the battlefield.
- Ueno Kei arrived at Allied Forces headquarters, learned of the battlefield’s dire situation, and agreed that Sasuke and Itachi would help fight Akatsuki.
- Itachi reunited with Sasuke, explained the threat posed by Kabuto and Obito, and persuaded Sasuke to deal with Kabuto first.
- Ueno Kei followed Itachi’s intelligence to the Land of Rainbow and discovered Momoshiki Otsutsuki, Kinshiki Otsutsuki, and Toneri there.
- Ueno Kei fought Momoshiki and Kinshiki, but they escaped after Black Zetsu opened spatial rifts and the Great Elder stabilized them.
- Black Zetsu offered Ueno Kei a deal, and Kei accepted it before setting out to confront Obito and prevent Kaguya Otsutsuki’s revival.
- Naruto and Killer B left the Cloud Ninja island, while the Allied Forces faced Obito’s tailed beasts and Uchiha Madara’s assault.
- Orochimaru offered Sasuke a way to learn the truth from the previous Hokage, while Itachi sent Kisame with supplies and a scroll for Ueno Kei.
- Ueno Kei fought Moryo, outwitted his creatures, and weakened him before Moryo escaped as black mist and reappeared in human form.