The Pathfinder Society sends you to the fabled Kingdom of the Impossible, the island of Jalmeray, to stop an Aspis Consortium black market relics dealer who is organizing the local bandits and violently robbing Jalmeray and Pathfinder Society caravans laden with relics, artifacts, and magical mysteries. When a venture-captain is murdered by the Aspis Consortium agent, it's up to the PCs to find him and do whatever it takes to stop him.

Part 1 of the "The Devil We Know" campaign arc. Shipyard Rats is a Pathfinder Society Scenario designed for 1st to 7th level characters (Tiers: 1–2, 3–4, and 6–7). When simultaneous kidnappings of Pathfinder and Aspis Consortium agents rock Cassomir's Imperial Naval Shipyards, the Society orders you to join forces with hated Aspis agents to solve the mystery. Can you work together with the enemies of the Society to uncover the source of the kidnappings, or will you perish in the shipyards of Cassomir?

Part 2 of the "The Devil We Know" campaign arc. Cassomir's Locker is a Pathfinder Society Scenario designed for 1st to 7th level characters (Tiers: 1–2, 3–4, and 6–7). The Pathfinder Society dispatches you to the catacombs called Cassomir's Locker to find the source of a rat cult breeding monstrous vermin. After clearing Cassomir's dank sewers and delving into the dirty dungeons below, will you find the artifact that powers Cassomir's Locker or bring about the destruction of Taldor's most important port?