Medusa and a ketos, which is a huge sea serpent. he turned it
stone with Medusa head to save the princess Andromeda
How did Athens kill Medusa?
Athens did not kill Medusa, Athens is a city in Greece. Medusa
was killed by the hero 'Perseus' with the help of Athena and his
brother Hermes. He killed Medusa by using a shield to see her
reflection. This was because staring at Medusa would lead to being
paralyzed in stone. He cut her head off and proceeded to use her as
a weapon.