The High Prophet of Truth, born Ord Casto,[1] and formerly known as the Minister of Fortitude, was the leader of the three Prophet Hierarchs that led the Covenant High Council during the Ninth Age of Reclamation, the central antagonist in Halo 2 and 3, and one of the main instigators of the war against humanity. In 2552, he plotted the ousting of the Sangheili from the Covenant, and replaced them with the Jiralhanae after the death of the High Prophet of Regret on Installation 05. After the demi