 Unknown to the common citizenry, he is also the most powerful human (or humanlike) psychic, referred to as psykers, and is overall one of the most formidable psychics in the galaxy.Officially, the Imperium denies the existence of psychic phenomena, including its manifestations as witchcraft and sorcery, and punishes its belief as ignorant and superstitious; yet the Imperium is also dependent on psychic activity in order to achieve faster-than-light travel between its scattered dominions.The Emperor knows that psychic phenomena originate in The Warp, a parallel dimension reflecting the events of the material world at its most emotional.