Ignotus is the self-proclaimed 'Emperor of the Mystix'. Trapped behind a seal that could only be broken from the outside for many centuries, he plans to escape and take control of Mata-Nui. The last time he attempted to do so he was imprisoned with the Mystix until the day they might be freed.
Biography
At one point, Ignotus and the Mystix attempted to take control, but he was trapped in a hidden cave in Onu-Koro, until the day an outsider broke the seal.