Mystery at Ravenrock

An investigation leads to dangerous places beneath the once-friendly castle Ravenrock. Unknown to all, a horror has festered. Defeating the menace that is responsible will neither be easy nor straightforward. Mystery at Ravenrock is an adventure for Fifth Edition, Swords & Wizardry, and Pathfinder designed for 4th to 7th level (Tier 2 in 5e) characters. It is the self-contained second act of the story begun in Frog God Games' Menace in Ravenreach.