High Chancellor Ocato, an Altmer, held the seat of High Chancellor during the late Third Era, and during the Oblivion Crisis. High Chancellor aided the Hero of Kvatch and Martin Septim in bringing about an end to the Oblivion Crisis at the end of the Third Era. After the Oblivion Crisis, he can be found in the Imperial Palace. He rules Tamriel with the help of the Elder Council as a de-facto ruler in the absence of the Septim bloodline. He is always an essential Character.