Anemoi four Anemoi and several minor wind gods are involved in the defense of Mount Olympus against Kronos (the Titan Cronus), the first series's chief antagonist. Both the Greek and the Roman forms of the Anemoi appear in Riordan's second series. Boreas is a central character in "The Lost Hero", and his children Khione, Calais, and Zetes continue to have important roles throughout the series. He resides in Montreal, and is described as "sturdily built...with dark purple wings" when in his Greek form, and as "taller and thinner" when Roman. "Notus/Auster appears in "The House of Hades" as a counselor of
HMS Boreas (1757) of action." Further, the sides of the vessel above the level of the deck were too low, leaving the crew exposed to enemy fire should "Boreas" run alongside an opposing ship. Boyle's concerns went unheeded, and "Boreas" was put to sea in early 1758. In April she assisted in the capture of the 36-gun French frigate "Diane". Boyle then sailed her to America on 21 June 1758 and she was subsequently involved in the operations off Louisbourg that year. "Boreas" shared in the proceeds of the capture of the merchantman "Foudroyant" and the schooner "Two Brothers", captured off Louisbourg. She