A Four-Part Living Greyhawk Adapted Adventure
From the introduction:
What secrets protected by fiendish traps and fierce monsters lurk in the dungeons under Castle Greyhawk? A four-part Core Adapted adventure set in the Domain of Greyhawk for characters level 8 - 15.
A copy of Expedition to the Ruins of Greyhawk is required to use this product.
When it comes to artifacts appearing in Tasha’s Cauldron of Everything, we consider a veritable walking tank