Vol. 4The Rinnegan and Isshiki
Rikusei helped expand the Ninja Nation, awaken the Rinnegan, revive Kaguya, and prepare for the Otsutsuki threat. The volume ended with Isshiki advancing on Rikusei after Rikusei returned from the world of illusion and struck his statue.
- Rikusei broke free of Naori’s Izanami and proposed a shinobi cultivation ground after learning Sage Jutsu at Mount Myoboku.
- Madara asked Rikusei to help revive Kaguya, while Alliance candidates faced Ryūchi Cave’s trials amid the growing threat of intelligent sea beasts.
- Rikusei and Tobirama revived the Sage of Six Paths, who explored the modern Shinobi World and set out to reunite with his family.
- Naori and Mao renewed their rivalry over Rikusei as the Ninja Nation expanded and Sage Jutsu trainees returned.
- Rikusei awakened the Rinnegan during experiments at the Rōran Tailed Beast Farm, but suffered severe damage and temporarily lost it.
- Madara and Hashirama reshaped the Land of Water while Hagoromo discovered Dragon Palace beneath the sea.
- Madara and White Zetsu revived Kaguya, who explained the Otsutsuki threat as the shinobi prepared to face Isshiki.
- Isshiki sealed Madara and Tobirama, absorbed Rikusei’s Super Shinra Tensei, and was struck by Rikusei after he returned from the world of illusion.