One Deck Dungeon: Abyssal Depths is a new mini-expansion for One Deck Dungeon. It adds six new Fiend cards and three new Heroes which can be used with either One Deck Dungeon, or its stand-alone expansion Forest of Shadows. The new rules for Fiends give players a fresh new way to explore the dungeons and is full of tactical and strategic choices to be made about how they'll tackle the new threats!

As a mini-expansion, Abyssal Depths requires the base game to play, and has a suggested retail price of $8. Abyssal Depths will be going direct to retail, with no crowdfunding campaign. It comes in an attractive finseal pack, with the cards intended to be added directly to the core game's box with no additional storage required!