"I'm the Slayer. Slay-er. Chosen One? She who hangs out a lot in cemeteries? Ask around. Look it up: 'Slayer comma The.'"" -- Buffy, "Doomed"" As long as there have been vampires, there has been the Slayer. One girl in all the world, to find them where they gather and to stop the spread of their evil and the swell of …