Although modern culture laughs at the mere mention of "the devil" and "hell" while simultaneously indulging deeply in them via popular music, movies, and television, the practical reality remains completely unknown to the general public. Clearing away centuries of dogma, illogical beliefs and foolish theories, Samael Aun Weor discusses his personal, conscious experiences of the inferior worlds and the beings who reside there. By application of ancient techniques preserved by the Gnostic tradition, anyone can confirm with certainty what exists in the subtle dimensions of nature, whether "above" or "below." Learn the true identity of both the "Devil" and Lucifer, and how to harness the forces of nature in order to propel yourself towards a higher way of life.