From publisher blurb:
Explore crypts and catacombs, search for treasure and battle undead, Cultists of Death and other horrors with the Universal Adventures Crypts and Catacombs set. Suitable for any fantasy adventure game, Universal Adventures Crypts and Catacombs is a set of 54 cards focusing on encounters with the undead, cultists and other monsters that lurk within crypts and catacombs. The set includes 18 Encounter cards, 18 Event cards and 18 Search cards. Whenever you need to determine an encounter, event or search result, draw a card from the appropriate deck. Use all the cards, just the ones you want to use for the adventure or print multiple copies. You can customize the decks to suit your needs. Crypts and Catacombs can be used independently or in conjunction with other products from the Universal Adventures product line.