They live among us—those who have touched forbidden ancient knowledge, who have placed themselves beyond Good and Evil, who have stepped onto the path of art, who have gained inhuman abilities and stopped being human. It is easy to take the first step along this path, hard to stop, almost impossible to turn back. But the most terrible awaits those who nevertheless find the strength to do it, manage to break out of the circles of hell and become an ordinary person again. For the underworld does not forgive betrayal.