From publisher blurb: A Swords & Wizardry Mini-Dungeon For 4-6 Adventurers of Levels 1-3 An elven smith has recently relearned the long-lost secret art of crafting with the blue crystal known as azurite. He’s promised to craft you a few magic weapons, provided you can get him some of the crystal… Blue Crystal Mine is part of a series of mini-dungeons designed to drop into existing adventures or campaigns. Use them as side quests or a way of getting in a quick adventure when you’re short on time.