Headmaster Snape is discovered as a spy and stumbles into the Golden Trio's camp, injured and carrying nothing but an old journal, a map of the UK, and the Sword of Gryffindor. He demands Sanctuary from Harry, and so begins the strangest journey of Harry's life. Harry finds his mate, his purpose, and his destiny all in 4 short weeks. Creature!Harry, Sub!Sev, Dark!Dumbledore