A 5 year old Harry receives help from an alternate self.
Just before First Year, Hermione falls into a trap and befriends Fleur in a Diagon Alley shop. Shortly thereafterward, Hagrid buys Harry a very different pair of pets. AU, H/Hr/Fleur/Luna. Mild inn...
Harry escapes the summer before his fifth year, and comes back with a different attitude.
AU Justice League/ Harry Potter crossover Harry gains the power of Oa