Pir'Oth Ix's Super State (本気ノウェム Honki Nowemu?, lit. "Serious Novem"), also known as Imperator Ix Final Form or simply Imperator Ix in-game, is the Super State of Ix and the final boss in Sonic Chronicles: The Dark Brotherhood. He attained this form using the residual chaos energy from the Chaos Emeralds and/or Master Emerald in Nocturne.