Starting at the end of book 7, not everything is the same as cannon. After discovering his new power Harry tries his best to finish the war against the Dark Lord. What is he willing to do to make things right? This is a writing exercise and not an actual "original" fanfiction so let's say this is a fanfiction of fanfictions.
Everything starts on chapter 35 of the Deathly Hallows. After his talk with Dumbledore and all the discoveries about the Hallows, Voldemort and the bond that unites them, Harry is brought back to his eleven year old self. Will he be able to amend all the mistakes made by the adults and by himself? (Writing execise, english is not my native tongue)