"Daughter of Poseidon: (a Percy Jackson fanfiction) - Chapter 1: I meet my brother" by sidiorio - "Isabella DiOro was born 2 years after the legendary Percy Jackson. Poseidon had hidden her in his un…"
Adriatica. No last name. OTP with Nico. Percy's forgotten sister, hidden away at birth. Sally thinks she was dead but Poseidon had hidden her for safety because he had a soft spot for his little girl. She has the Roman side powers.
Hey! I'm a Demi god, daughter of Poseidon! Granddaughter of Hecate, can work magic to an extent but I'm mainly a chemist. (Ya child of Poseidon aren't all like Percy, we vary a lot... Just ask my siblings on dis board)