Prophecy of War

A far more cunning Harry, who is ready to accept and embrace his Slytherin side -with mild kleptomaniacal tendencies- deals with the Department of Mysteries incident, and begins to prepare Britain for war. After all, no one said humans were the only ones with something at stake in this war, did they? Featuring Dumbledore being Dumbledore, Snape being Snape, and Luna being Luna. AU.