<Tr> <Th> Species </Th> <Td> Demon </Td> </Tr> <Tr> <Th> Gender </Th> <Td> Female </Td> </Tr> <Tr> <Th> Abilities </Th> <Td> Demonic pacts Demonic possession Energy rays Invulnerability Occult knowledge Superhuman strength Telekinesis Teleportation </Td> </Tr> <P> Lilith is a fictional character on The CW Television Network's drama and horror television series Supernatural . The series' writers conceptualized her as a dangerous new adversary for series protagonists Sam and Dean Winchester to face, introducing her to stabilize the story arc in the third season by giving demons a new leader in the wake of the death of the villainous Azazel and maintaining her as the primary antagonist until the conclusion of the fourth season . During the third season, Lilith tries to kill Sam and Dean, ordering for their deaths at the hands of her minions . Early in the fourth season it is revealed that her goal is to free her maker, the fallen angel Lucifer, from his imprisonment in Hell . The protagonists' attempts to thwart her plan is the main plot of that season . </P>

What does sam have to do to kill lilith