Straight from the poll! Izuku was quirkless... until he ate a strange fruit that gave him a quirk! Now with a quirk, he will strive to become the greatest Hero! Strong Izuku, Izuku x harem due to poll. Slight One Piece x-over for just the devil fruit.

The Avatar has been lost for millennia after the death of Korra, with the art of bending forgotten to ancient scrolls. In an age of quirks, watch as Izuku becomes the new Avatar and brings back the art of bending in his hero academia.

After the final battle against Thanos and his selfless sacrifice to stop the Mad Titan, Tony Stark is reincarnated into a new world, similar and yet very different from his original. Now, as the Quirkless Wonder Izuku Midoriya, he will recreate his signature armor and once again become Iron Man. Now he just needs to get his Hero License. (Genius Izuku One for All) (IM/MY/MH)

It was Mei Hatsume who told Izuku Midoriya that he could be a hero, with her help of course. Desperate to have someone believe in him, Izuku decides that to realize his dreams, he'll need to make himself into a hero with the help of this odd girl. Together, these people once rejected for not fitting the mold will find themselves becoming the foundations of hero society.

Harry finds a dying ashen haired girl in his backyard being attacked by men in skeleton armor. He obviously swoops in and kills them saving the girl before taking her to his home to heal her. He didn't know the far reaching consequences this would have on him personally. This will start in Harry Potter world but ultimately take place in the Witcher for the most part.

A portkey accident lands Harry at the feet of something more terrifying than a dragon.

Harriet Potter knew she shouldn't have picked those three Hallows... but she did, and now, she's immortal, and the gods have a proposition for her : help the heroes of other universe to save her mother's soul. And to help her, they'll give her a tool : the Gamer's Ability. First stop : the Mafia World. fem!Harry, MoD!Harry, gamer!Harry