Explore the mysteries of Arkham with six distinct investigators, each offering unique gameplay perspectives. The expansion includes all player cards and customization elements from The Circle Undone cycle. Play as Carolyn Fern, a psychologist who must protect allies' sanity while confronting dark forces. Alternatively, assume the role of Joe Diamond, a private investigator unraveling supernatural truths. The set also features Preston Fairmont, a resourceful millionaire; Diana Stanley, a reformed cultist; Rita Young, a determined athlete; and Marie Lambeau, a charismatic performer—each enabling different strategic approaches to the game.