The Carpathian vampire

... They have trapped your soul in darkness and since then a demon dwells in your body.When he spoke demon she writhed her claws getting long and her hair sprouting fast. Within seconds she became a huge black cat.Philip saw everything horrified. He backed away as the cat attacked him with huge, sharp claws, letting out a thin meow that chilled his blood in his veins.The cat fled into the darker room of the house and disappeared.