From the introduction: Descent into Darkness is an add-on adventure for The Moonbridge Raid Part 3: Anamos Isle to the Liberated Land. This adventure will take place soon after the LightRaiders enter Anamos Isle. User summary: This scenario is intended to provide an interlude adventure that takes place during The Moonbridge Raid Part 3: Anamos Isle to the Liberated Land. The scenario is distributed as a text file with two JPG map files and one JPG image file.