A One-Round Living Greyhawk Sultanate of Zeif Regional Adventure
From the introduction:
Are you ready to delve into the belly of the beast? The dark city of Dhabiya seeks another morsel. Many have come before you to learn her secrets, but Dhabiya does not give them up freely. Are you willing to risk everything you hold dear to learn them? A one-round Regional adventure set in the Sultanate of Zeif for characters level 2 - 15.
WARNING: This is an Elite adventure. It also runs on a time limit. [Characters] that cannot finish within 4 hours will be enslaved in Dhabiya.