with the Hero Hercules, a fact Prometheus uses to justify his claims to love Heroes. He is sent to negotiate Percy and Thalia's surrender during the Battle of Manhattan, offering them the spirit of Elpis (goddess of hope). He flees after Kronos's defeat, sending a list of excuses to Mount Olympus. Hermes tells Percy that if Prometheus is smart, he won't show his face again for another few centuries. Selene/Luna - The Titan of the Moon and the sister of Helios. In The Titan's Curse, Apollo mentions that due to the neglect of the Romans, Helios and Selene were eventually forced to give up their roles to Apollo and Artemis before the two eventually faded from existence. In The Tyrant's Tomb, Apollo is surprised to learn that Ida is a legacy or descendant of Luna due to his belief that the Titan had faded long ago. However, Apollo remembers that he'd thought the same thing about Helios whom he had recently encountered in the Labyrinth after Medea had resurrected the Titan. Gigantes The Gigantes (also called the Great Giants) are giant-like beings that were made by Gaea and Tartarus to overthrow Olympus. They were previously defeated by the gods and Heracles during the Giantomachy. Each was meant to oppose a specific god. They can only be defeated by a god and demigod working together. Most of the Gigantes are described as being very tall with dragon-like legs and shaggy hair. Alcyoneus – A 40 ft. Gigantes with rust-colored legs whom Hazel Levesque almost resurrects during World War II. Hazel sacrifices herself to stop his resurrection, but she only delays it until the 1980s. Alcyoneus eventually rises in The Son of Neptune. He is invincible as long as he remains in his homeland which after his resurrection is Alaska. Frank, Hazel, and Arion drag him into Canada where Alcyoneus is decapitated by Hazel after being made vulnerable. He is the bane of Hades/Pluto. Clytius – A 20 ft. Gigantes with ash-colored legs. He opposes Hecate. Clytius appears in The House of Hades. He guards the living side of the Doors of Death in Epirus. He is defeated by Hecate, Jason, Leo, Piper, Nico, Frank and Hazel. Damasen – A 20 ft. peaceful Gigantes with red legs who appears in The House of Hades. He had been made to oppose Ares/Mars. Damasen had been exiled to Tartarus as he was peaceful not