Percy, and everyone else, thought that Percy was the most powerful demigod. Emphasis on thought. Turns out one average evening on the 23rd of June, Percy was at some boarding school in Washington Dc scoping out for any potentiol demigods. And he got what he went for. In his fourth lesson he was seated next to a girl his age woth black hair and dark eyes. She had pale skin which complimented her dark hair and eyes