The Beast Beneath

Publisher's blurb: Hillsfar is shaking with mysterious earthquakes. Nightmarish phantasms are attacking the city. Thayan Red Wizards have blocked the harbor. A group of brave adventurers must break through phantasms and the blockade to save Bert, the famous potion maker, who has discovered a group of strange machines that may be the key to saving Hillsfar. A Four-Hour Adventure for Tier 3 Characters. Optimized for APL 13