Each word had torn incredibly at Sam's sanity. He was on his bed, laying there silently, frantic. The voice taunting him had come from behind him, seemed to be touching his whole body and ripping his mind apart, he dared not turn. Of course he knew instantly who it was. How could he forget him? How could he not know? Lucifer was basically carved into him. Angsty!Sam/ Slash /Samifer