Hogwarts Dances with Dragons

Summary: A lost dragon has fallen to Hogwarts, death incarnate, bringing the story to an end... and the Dark Lord will learn what true power is!Alvin Lostin Darknight.A dragon slayer mage who devours dark magic, soul fire, and the power of death, the natural enemy of dark wizards. "Dark wizard? I hit the dark wizard! Neville! Go! Give Snape two slaps!" (Heaven: Harry Potter, Fairy Tail...)