Vampires. For them taking over the human world was easy. They've ruled the 50 states of America as separate kingdoms for 77 years now, and the vast majority of the human race has been enslaved since then. I've heard rumors, mere whispers, in the many slave quarters and auction houses I've seen in my short 18 years. Rumors of a free kingdom in the north, but I've never had the chance to run, but I will, the first chance I get. I will run