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
Perseus with the Head of Medusa 1554, Michelangelo’s "David", Bandinelli’s "Hercules and Cacus", and Donatello’s "Judith and Holofernes" were already erected in the piazza. The subject matter of the work is the mythological story of Perseus beheading Medusa, a hideous woman-faced Gorgon whose hair was turned to snakes and anyone that looked at her was turned to stone. Perseus stands naked except for a sash and winged sandals, triumphant on top of the body of Medusa with her snakey head in his raised hand. The body of Medusa spews blood from her severed neck. The bronze sculpture and Medusa’s head turns men to stone and is