1-The Dementor. If you don't know what a Dementor is , it is a guardian of Azkaban in Harry Potter. Well when they `kiss` you then your soul is sucked out. Edward is always saying how he doesn't want to risk Bellas soul. Well when a Dementor kisses you, your not YOU anymore. Vampire are still them, they can love, they can think and learn. Well people kissed can't.There fore vampires have souls.