Along with the mainland, the Kumu Islets were created when the Great Spirit was rendered comatose by the machinations of Makuta and toppled into the seas of Aqua Magna. As a result of this Great Cataclysm, Mata Nui's camouflage systems malfunctioned, causing an island to form over his upturned face. At some point, it seems, the islets splintered away from the bottom of the island.