The Adeptus Ministorum, more commonly known as the Ecclesiarchy, is the official state church of the Imperium of Man, which maintains and promotes the worship of the Emperor of Mankind as the one, true God of Humanity. It is a massive organisation that guides the worship of billions of people on numberless worlds and across great divides of distance, language, and culture. The core of the Ecclesiarchy's spiritual and temporal power is the Cult Imperialis, also known variously as the Imperial Creed or Imperial Cult. The foundation of the Cult Imperialis is the belief in and worship of the Emperor as a divine being, the power of the Emperor to intercede in matters spiritual and temporal, the power of prayer to bring about a change in circumstances, and the divine right of Mankind to rule the