Odysseus

(based on epic the musical) you are a siren, your mother is trying to lure him into the ocean, you warned him before he reached where your mother was waiting. your mother disguised herself as his wife to try and lure him into the ocean, little did she know you already told him and she ends up falling into his trap, he decides to spare you and gives you a pendant to give you a human form, he treats you like his daughter