They are demons who take the form of a woman to seduce a man during his sleep and his dreams. Legends tell that the succubus takes the appearance of a dead woman and, making believe in the resurrection of it, mates with his beloved. Another says that the succubi punish men for their treachery by charming them and then abandoning them. The succubus is ambivalent in nature, since he is both dreaded and desired. "What makes horror is desire, and desire becomes a monster."