The Adeptus Ministorum, also known as the Imperial Cult, is a religious organization within the Warhammer 40,000 universe. It serves as the primary faith of the Imperium of Man, promoting the worship of the God-Emperor of Mankind. The Ministorum emphasizes devotion, piety, and the importance of faith in the ongoing struggle against the enemies of humanity. The organization is led by the High Lords of Terra and is responsible for spreading the Imperial Creed across the galaxy. It operates various institutions, including the Sisters of Battle, who are militant nuns dedicated to protecting the faith and combating heresy.