Character profile
Shinnou
しっのうBiography
Shinnou is Amaru's teacher and a former ninja who presents himself as a healer devoted to saving lives. Fifteen years before the story, he saves Amaru from a severe illness and becomes accepted by her village, later demonstrating remarkable medical skill when the Sky Ninja attack.
Story spoilers
Shinnou's benevolent persona is a deception: he is affiliated with the Sky Ninja, uses a jutsu to fake his death, and previously sealed Reibi inside Amaru to gather Dark Chakra. He uses that power to create an “Ultimate Body,” but Naruto and Sasuke ultimately overcome and destroy him.
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