The heroes emerge from a fire giant`s dungeon into a volcano`s caldera, where the Storm Tyrant`s stolen cloud castle floats high above. As the castle takes off into the sky, the heroes must storm the fortress, defeat its guardians, and face the Storm Tyrant, himself! A Pathfinder Roleplaying Game adventure for 15th-level characters, Shadow of the Storm Tyrant concludes the Giantslayer Adventure Path.