Mars' prophecy: However, this is not the true prophecy, as it was lost along with the Sibylline books. Ella the harpy does recite a part of the prophecy while talking to Frank. Ella's prophecy: Hazel speculates that the second line was incomplete in that the shades were the ones that were drowned by Percy. Recently featured: Satyr | Nico di Angelo | The Mark of Athena | The House of Hades | Khione