What Are Friends For. To survive the perils of the Dungeons & Dragons Roleplaying Game, you need to keep your friends close . . . and betray them when the time is right. Drow Treachery cards boost your chance of survival, often at the expense of your adventuring companions. Try them out in the Dungeons & Dragons Encounters in-store play programme! Each Drow Treachery booster pack contains 8 randomised cards from a complete set of 80 cards, as well as instructions for how to use the cards in play. This D&D game accessory is tied directly into the Rise of the Underdark series of D&D Encounters seasons, including Council of Spiders and leading into the War of Everlasting Darkness. D&D Fortune Cards: Drow Treachery have been designed with mechanics that are linked directly to the play style and rules given in Menzoberranzan: City of Intrigue. Players using this book or who participate in D&D Encounters can enhance their play experience by including these cards in their games. D&D Fortune Cards are invaluable tools for players in the D&D Lair Assault programme. These great cards add a new level of chance to every encounter making the combat even more exciting.