About the book: year / Under Hell, the world of demons, composed of nine colorful circles, there has always been a mysterious abandoned little world - Tartarus, a scorched wasteland inhabited by wild predatory animals. One day, demons assemble a large expedition, setting off as pioneers to new lands. Some are attracted by the vastness of the empty world, some by the opportunity to dig up something for which they can get a lot of hellish gold, others by history, legends, and others by magic. Tartarus will accept them all - but will he let them go? And who finally brought the world down?