A Two-Round Living Greyhawk Veluna Regional Adventure
From the introduction:
Rao's Vision instructs that you must travel into Hell itself and restore the lost Crook of Rao to its rightful place in Veluna. Return peace, reason and serenity to the land that once was its example by using the artifacts power to heal both the clerics afflicted with the wasting disease and the land stricken with political upheaval.
A challenging two-round Regional adventure that starts in the Archclericy of Veluna for heroic characters level 4-15.
Caution this may contain untiered encounters.