Perseus shield. Perseus then proceeded to the Gorgons' cave. In the cave he came upon the sleeping Medusa. By viewing Medusa's reflection in his polished shield, he safely approached and cut off her head. From her neck sprang Pegasus ("he who sprang") and Chrysaor ("sword of gold"), the result of Poseidon and Medusa's mating. The other two Gorgons pursued Perseus, but, wearing his helm of darkness, he escaped. From here he proceeded to visit King Atlas who had refused him hospitality; in revenge Perseus turned him to stone. On the way back to Seriphos Island, Perseus stopped in the kingdom of
Clash of the Titans (2010 film) to the entrance into the Underworld. The men enter Medusa's temple lair while Io, being a woman and forbidden from entering, remains outside. Medusa kills most of the band, but Perseus finally manages to behead her by using his reflective shield to see her with his back turned. As he leaves the temple, Calibos appears behind Io and fatally stabs her. As Perseus and Calibos fight, Perseus accepts that he is a son of Zeus, picks up the Olympian sword, and stabs Calibos through the chest, which has restored him to his human form. With his last breath, Calibos urges