Why Was Medusa Killed?

When Medusa had an affair with the sea god Poseidon, Athena punished her. She turned Medusa into a hideous hag, making her hair into writhing snakes and her skin was turned a greenish hue. Anyone who locked gaze with Medusa was turned into stone. The hero Perseus was sent on a quest to kill Medusa.

Why did Medusa get killed?

Perseus was guided by the god Hermes and the goddess Athena on his journey. It is said that Athena helped in the killing of Medusa because the girl had been willing to have her beauty compared to Athena.

Why did Perseus kill Medusa?

Because the gaze of Medusa turned all who looked at her to stone, Perseus guided himself by her reflection in a shield given him by Athena and beheaded Medusa as she slept. He then returned to Seriphus and rescued his mother by turning Polydectes and his supporters to stone at the sight of Medusa's head.