The Bridgeway

From publisher blurb: A Swords & Wizardry Mini-Dungeon For 4-6 Adventurers of Levels 4-6 An orc warchief has gathered his forces near a mystical artifact capable of moving them anywhere in an instant. He must be stopped and his army routed before he gains control of the device. The Bridgeway 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.