defined Titanomachy on Ivory-Tower: War of the Titans , was the ten-year series of battles fought in Thessaly between the two camps of deities long before the existence of mankind: the Titans, based on Mount Othrys, and the Olympians, who would come to reign on Mount Olympus. This Titanomachia is also known as the Battle of the Titans, Battle of Gods, or just The Titan War.