Would a minotaur become powerful if he cultivated the Small Universe and wore a Saint Cloth?
Would a fish-man become powerful if he learned chakra and used Water Style ninjutsu?
Would an orc become powerful if he mastered the Absolute Territory and used martial arts?
Still not strong enough? Then how about adding a Devil Fruit?
Still not enough? How about a Zanpakuto, too?
Still not enough? Here, take the divine authority of a god from Campione!, kid.
This is a serious, wildly imaginative book with an expansive scope. That's all.
This novel and its characters are entirely fictional. Any similarities are purely coincidental. Do not imitate.
