WE NEED FOUR MORE! FRANK, HAZEL, PIPER AND JASON. Seven half-bloods shall answer the call, To storm or fire, the world must fall, An oath to keep with a final breath, And foes bear arms to the Doors of Death

Percy Jackson, son of Poseidon
Annabeth Chase, daughter of Athena
Jason Grace, son of Jupiter
Leo Valdez, son of Hephaestus
Frank Zhang, son of Mars and legacy of Poseidon
Piper McLean, daughter of Aphrodite
Hazel Levesque, daughter of Pluto
Extra: Nico di Angelo, son of Hades
Reyna Ramierez Arellono, daughter of Bellona