Ultima Underworld: The Stygian Abyss An exact conversion of the original RPG game for the PC. The Baron Almric's daughter, Arial, has been kidnapped. You are implicated as an accomplice and wanted by the authorities. To prove your innocence, you must find and rescue the maiden from the Stygian Abyss. You have to explore the Stygian Abyss, a tremendous cavern fraught with peril, where the only way out is to go deeper into the abyss.