Quests of Doom: Nightstone Keep (4)
Nightstone Keep by Ed Greenwood (for 4 to 6 characters from 4th and 6th level) This location-based adventure is centered on a ruined¸ long-disused stone keep in a temperate wild forest area (possibly not far off a caravan road or forest trail). The characters will be able to explore the ruins of the keep¸ which have become a plant colony¸ and attempt to wrest a powerful treasure from the clutches of the araunglyd¸ a gigantic sentient fungus. The araunglyd will attempt to thwart the players at every turn¸ using its drone-like minions to harass and hinder them as they go.