A One-Round Living Greyhawk Dyvers Regional Adventure
From the introduction:
Dyvers involvement with the Empire of the Old One has caused many waves in the City of Sails. A mysterious relic recently found its way back to the City of Sails. Forces now converge with you in the middle.
A one-round regional adventure set in Dyvers with particular interest for characters from the Iuz Border States for characters level 8 - 15.