The Alone - Deep Expansion includes 3 hero miniatures (with the corresponding character cards and 2 mission cards) and 4 boss creature miniatures (with the corresponding mission cards). The expansion also includes 5 special creature cards that can be used with the mob rules. They allow players to use miniatures of unique creatures in a different way. The special rules for rooms, on the other hand, give the hero player the opportunity to interact directly with the surroundings.