Clash of the Titans (1981 film) be sacrificed to the Kraken on pain of Joppa's destruction. Perseus seeks a way to defeat the Kraken, but Pegasus is captured by Calibos and his men. Zeus commands Athena to give Perseus her owl Bubo; but she orders Hephaestus to build a golden replica of Bubo instead, who leads Perseus to the Stygian Witches. By taking their magic eye, Perseus forces them to reveal that the only way to defeat the Kraken is by using the head of Medusa, who lives on an island in the River Styx at the edge of the Underworld. The next day, the group
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