Greek Mythology: Metamorphosis Metamorphosis is a key element in Greek mythology. This ability to change shape or form is a major development in the stories of Arachne, Zeus, and Daphne. Almost all of the gods had the power of metamorphosis. The first story was the one of Arachne. Arachne was a mortal, who was a great weaver. She was the best of all the mortals. She even thought she was as good as one of the gods. Nobody was as good as the gods at anything. She thought she was as good as the god Athene. Athene was the god of arts. When Athene heard Arachne say she was better than her, Athene challenged Arachne to a contest. The winner would chose the loser