 Awareness and perception of the Chaos Gods and their Daemons serves as the basis of numerous faiths and religions in the setting, both human and alien in origin.Knowing followers of the Chaos Gods, though rare, refer to their faith as the Primordial Truth, or the Primordial Annihilator.Humankind's continuing biological and psycho-spiritual evolution includes the gradual development of widespread Warp-related psychic abilities that will make the species far more susceptible to Chaotic influence; united under the Imperium of Man, the Emperor seeks to protect all of mankind by using faith in the Imperial Truth as a shield.