Harry finally turns 17 and has now been granted his inherits.
On his 11th birthday Harry learns that not only is he a wizard, someone has made a video game of his life.
During the fight at the Department of Mysteries, Harry gets taken for the ride of his life.
When would be one of the worst points in time for an over-powered Harry to return to his past? During the Trial before the Wizengamot! Time-traveling Harry reworks Year 5. Harry/Hermione/Luna/Padma
The Witches of the world have a Secret, of course poor Harry is stuck in the middle. Post Goblet of Fire.