Harry potter and The Different Realm

Harry comes back to his original realm which he left when only fourteen and more than a half years old, two weeks before his birth and was changed into a vampire at the age of eighteen and became a powerful person but times has gone by he is now twenty eight and needs to go back to when he was fourteen to save the world joining true side of the war and needs to win it because that's his destiny and needs to complete for then the become a ruler of both realm and more C.W.