author just don't give up on fanfic, author naruto had a lot of potential as the reincarnation of ashura, how to gain cells from the first hokage and awaken mokuton, use sasuke's chakra to unlock rinnegan and much more
author the best powers to give the mc are jujutsu kaisen, they are powers that match the naruto world, hanabi and are very good as a novel. The powers the MC could have, six eyes, unlimited, ten shadows, dismantle and cleave
I agree, I had so many expectations, imagining him controlling a bunch of kaiju and doing a lot of things, but in the end it turned into a generic cultivation