An enemy of the Pathfinder Society recently found a hidden dungeon in a centuries-old siege fortress, but despite his best efforts to convert it into his base of operations, he failed. When a pair of Pathfinders encounter disaster while scouting out the entrance, the party must explore the first level of the dungeon to determine not just what attacked their comrades but also what dark power their nemesis nearly acquired.
A Pathfinder Society Special for characters of 3rd to 7th level (Tier 3–7).
Note: At present this adventure is only available for play at conventions. The plan is to release it publicly down the line, but exactly when is still being decided.
This year (2014) we're releasing The Ruins of Bonekeep, Part 1: The Silent Grave as an exclusive scenario for 4-star GMs, 5-star GMs, Venture Captains, and Venture Lieutenants, who can now run the adventure anywhere.