The Ix Empire, also referred to as the Corpse Empire, the Corpsian Legion, the Veiled One Empire, the Dark Empire, or simply The Empire is a powerful faction that rules most of the known multiverse. After Nihiltidax's Mystery Guild invaded the Xaterex System under the Shadowy One Skorpix, Nihiltidax's elite lord, Nihiltidax's Corpsians fought beside them. Nihiltidax, corrupting the Hand of Mata Nui and the Xaltrax Guardians from within, established the Veiled One Empire, and eventually "defeated" the Mystery Guild, allowing its members to join the Empire as commanders. After unleashing the Elimination Plague on the universe, which corrupted Matoran and killed Toa and Veythari, the Empire eventually conquered the entire Xaterex Multiverse Sector and most of the universe beyond during the Wa