Hercules and Cerberus:
This mythical creature was believed to have an eternal longing for fresh meat. This was the reason behind his being given the primary responsibility of ensuring that the souls that entered Hades remained there for fear of being torn to pieces. Hades' loyal watchdog was supposedly presented to King Eurystheus by Hercules. The story highlights that the king had given Hercules the task of capturing the guardian of Hades alive, without the use of weapons. Hercules sought Eleusinian Mysteries to enter and exit Hades alive. He was helped by Hermes to get through the entrance, and by Hestia, to get past Charon. Hercules managed to earn an audience with Hades, the God of the Underworld, and sought permission to take Cerberus to the surface. Hades agreed, but like King Eurystheus, did not permit the use of weapons. However, empowered by the magical Eleusinian Mysteries, Hercules was able to subdue Cerberus and drag the creature out of Hades, to Eurystheus. But, the frightened king begged Hercules to return the monster to the Underworld and released the muscular hero from his labors.