Medusa received help. He received a mirrored shield from Athena, gold, winged sandals from Hermes, a sword from Hephaestus and Hades's helm of invisibility. Since Medusa was the only one of the three Gorgons who was mortal, Perseus was able to slay her while looking at the reflection from the mirrored shield he received from Athena. During that time, Medusa was pregnant by Poseidon. When Perseus beheaded her, Pegasus, a winged horse, and Chrysaor, a giant wielding a golden sword, sprang from her body. Jane Ellen Harrison argues that "her potency only begins when her head is severed, and that potency
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