In this scenario, the player characters flee the evil city of Flotsam, crossing the Blood Sea, where they may encounter Istar the City of the Deep and become involved in an undersea battle. The Dungeon Master draws from a deck of Talis cards (the tarot of Krynn), to determine the events of the adventure. The module includes a sheet of cut-apart Talis cards, as well as statistics and counters for an underwater Battlesystem battle. DL12 Dragons of Faith was published by TSR in 1986 as a 64-page booklet with a large map, cardstock sheet, cardstock counter sheet, and an outer folder.