Madness returns for an encore performance in the Return to the Path to Carcosa upgrade expansion for Arkham Horror: The Card Game! You thought the final curtain had closed on your dealings with The King in Yellow. The cursed theater production that came to Arkham all the way from Paris quickly became the talk of the town, but its dark history of disappearances, suicides, and madness drove you to investigate deeper. Now, The King in Yellow has gained a new legion of followers and you can newly experience the entire The Path to Carcosa campaign with all-new scenario, location, and encounter cards designed to add new surprises and challenges. This premium box can store your entire campaign, along with divider cards marked for each encounter set in The Path to Carcosa cycle. Finally, this expansion contains new player cards that increase the customization options to better prepare you to face the evils ahead. So don your fine clothes or tattered mantel and ready your mind for a new realm of madness. The show must go on!