Banished from Argos ahead of he was born (on account of an ominous prophecy), Perseus grew up on a remote island. When he arrived of age, he was sent to get rid of the Gorgon Medusa, a monster whose gaze turned all who seemed on her to stone.This angered Poseidon, the supreme god of the sea. To punish Cassiopeia, Poseidon despatched a sea monster (