Hundreds of years after the Forgotten War, a group of Echidnas left Albion to create a colony and spread Echidna culture. Settling in Soumerca, they encountered the hostile native Felidae warriors, and most of the colonists chose to leave and settle elsewhere. Two castes remained behind to fight over the land, the warrior caste would come to be known as the Knuckles Clan, while the other group who were more advanced in science, became the Nocturnus Clan. Their leaders, Pachacamac of the Knuckles and Imperator Ix of the Nocturnus, initially cooperated, but Pachacamac eventually chose to wage war against the Nocturnus as well as with the Felidae. A three-way war then erupted between the three groups, with the Knuckles Clan focused on warfare while Ix and his clan continued to make great stri