Ch. 61The Birth of the [Shadow Spiral]!
Shimura Danzō investigated Nara Kaikei and considered recruiting him into Root, while Kaikei spent two days training and independently developed the Rasengan. He then fused it with his shadow techniques to create the A-Rank Shadow Spiral.
- Hiruzen Sarutobi questioned Shimura Danzō about recruiting Nara Kaikei and warned him not to expect an easy recruit.
- Shimura Danzō ordered Root to gather information on Kaikei and considered awakening darkness in him to bring him into Root.
- Nara Kaikei used Shadow Clones and his Chakra Crystal to master the Rasengan.
- Kaikei began combining the Rasengan with Shadow Piercing Bullet and developed the Shadow Spiral, which could shift between shadow and tangible states.