In Kalak's Shadow

From the introduction:

...It is free year 12. In the city-state of Tyr, an evil has been growing in the shadows and is ready to emerge and threaten the freedom of the city. A ravenous murderer stalks the warrens. Many templars and citizens claim Kalak has returned and call for his open worship by all. The free wizards of Tyr work to convert Kalak's ziggurat into a positive source of light to remove the shadows of evil that linger in the city. A band of heroes must unravel the message from a mysterious woman who pleads for help. If they are too late, a dark shadow will fall across the city and a sorcerer-king will again sit on the throne of Tyr...