A One-Round Living Greyhawk Adapted Adventure From the introduction: Castle Serastis, headquarters of the Vanguard of Sertrous, is all that stands between victory and defeat. The denizens have raced to gather the needed components to raise the Risen King for their own dastardly designs. Will there be any brave adventurers that can stop them? A Core Adaptable adventure set in the outer planes for characters level 7 - 11. User summary: A copy of DD3: Fortress of the Yuan-Ti is required to use this product.