In some fanfiction and comics , it is said that some cosmic entity is protecting joker from being killed or reviving him. Once he possessed specter itself , which was an angel . Showing some powerful being is helping joker. Like Hulk gets power from one below all. Is this being will be in this story or not?

Can you make the world much more complex like, Dracula, veela queens, Merlin and morgana Icw having much more power Like one story I read where perenel flamel was head of a mages association Where all powerful mages of world come, she literally destroyed Grindelwald in seconds I mean mc is new to the world there should be more to the wizarding world Like china, India ,America having much stronger wizards both dark and light Or there should be association like hydra who want to control world Because a powerful mc is good But when he destroys more powerful villian than that is better Because voldemort just don't cut it , he is just mad with power , now if he absorb horcruxes and get brain like tom riddle that could be something And Grindelwald can also come back , like he promised a vow to Dumbledore that he will remain in prison till his death something Because the story is great , it has more potential as it is in infancy

You could give some deep reason for mc for doing this Like frogs manipulating the ninja world for their gain or something Like one story I read where sages and otsutsuki were long time enemy You can write it like frogs using ninjas as a shield against otsutsuki , instead of fighting themselves Because after this long fight if he back of then it will be disappointing And about being villian , sasuke ,garra , and others did this but still got accepted You can cut off the dimension from ninja world so they would never medle