You get to know more about the religion as a member in steps as you pass through rituals and levels. At every level you are judged whether you are fit to progress to the next level. This sounds Masonic but these people take this very seriously. If you divulge anything about the secret parts of the religion you will be killed, and killed slowly and painfully.
Much of what we know about this religion came from one guy who was then killed by being slow roasted over charcoal, and that was in the 20th century.
which guy was that? I know there was one convert, but didn’t know he was killed in that way