Thanatos and Sisyphus

In the myth of Thanatos and Sisyohus, Thanatos comes to take Sisyphus' soul, but Sisyphus binds and hides him. When Ares notices that no one is dying during a battle, he comes to take Thanatos back When he sees that Thanatos has been bound by Sisyphus, Ares takes Sisyphus to the Underworld and frees Thanatos. Hades comes and sends Sisyphus to the Fields of Punishment, and invents a new punishment just for him. This punishment is to roll a boulder up a hill for all eternity, an never get it to the top.