Heir of madness in naruto

this is a fan fiction work. I do not own anything from the original work. I only own the original character (s). I am also a novice writer and this is my first book so please help me in this adventure. do not have high expectations of this book as I can't garantie it quality or if I won't drop it.
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aegis Lester has always been a wild and troublesome individual in his world. from being a frail young boy to going against one race, destroying planets, competing with primordials being or coming from death multiples times, becoming a true intergalatical emperor. but when he faces an ambush from all the powerful beings at the same time, even he can't win. As he was going to lose his soul, he escaped by using a dangerous spell. Now in the shinobi world, our protagonist don't plan on staying still. how will it end up?