Prisoner of the Underworld, the wearer of masks will have to cross Acheron, the river of sorrow, the Styx, the tributary of hatred, the Phlegethon, the river in flame, the Cocytus, the torrent of lamentations, and the Lethe, the stream of oblivion, in order to reach the Infernal city. It is in the capital of the Nine Hells, populated by demons of nightmarish creatures, that the fate of the young hero will play out.