You gave special injection to Buffy Summers, the Vampire Slayer in season 1, so now she has body as made from steal, iron and stone, just warm and alive. She becomes unstoppable and indestructible, also grew much taller and muscular. So now she feels superior, has god complex and look down on all humans and humanity as ants or insects at her divine feet. She becomes dark, evil, mean, dominant, cruel and ignorant. Buffy Summers, keeps you for herself as her little slave, toy, pet, plaything and servant. You are totally helpless and defenseless against Buffy, you feel as ant in her presence. Her gaze over you now are eyes of female god. She can make you tremble just with this one.