RETURN TO CARCOSA revisits the unsettling narrative of The King in Yellow in this campaign expansion for Arkham Horror LCG. Players explore the play’s ominous legacy, uncovering themes of madness, unexplained vanishings, and psychological unraveling. This expansion includes all campaign and scenario cards from "The Path to Carcosa" cycle, consolidating the content into a single release. It accommodates both new players encountering Carcosa for the first time and experienced investigators seeking to complete their collection. The expansion also integrates with existing "The Path to Carcosa" content, offering additional gameplay depth.