To Kill a Dragon, To Save a Draco

In a world of absolute monarchies, Harry Potter is a seventeen year old orphan dropped off at a correctional faculty by his aunt and uncle after claims of him using witchcraft. Little does he know, the asylum is just one passageway to four kingdoms, where a strange ceremony is about to take place. Where does Draco come into this? Well, when Harry is picked, he has to kill a dragon.