Psycho is a skilled occultist, and uses psionic powers to traumatize and terrify those who stand in his way.
In the New 52 continuity, Doctor Psycho possesses psychic abilities including the regular telepathy, mind control, astral projection, telekinesis, levitation, projecting destructive blasts of psionic energy and creating psionic energy constructs such as armor, although Edgar has stated that he possesses every psionic power imaginable.