Novel-V 
Introduction: Genin: activates 20 million cells and can see inside.Chunin: Activate 5 million cells, or open up the meridians in the body.Jōnin: Activate a billion cells and master two nature changes.Shadow: Activate [-] billion cells and understand morphological changes.Realm details are in Chapter [-] Power System.Reborn as Yamato, I swear by Mudun that I... will not be a sidekick.