Rise of Hadrian D Pendragon (Book 1)

(Cross Posted on Ao3)(Rated M) Hadrian is sent back in time where he has to relive his whole life starting with the first year of school at Hogwarts. Now equipped with the foreknowledge of what's to come, can he change some things to make things better in the future or Will he fail at what he's planning? After all he's going to be King of the Pirates. That's just a fact.