A One-Round Living Greyhawk Sheldomar Valley Meta-Regional Adventure From the introduction: An adventurer’s tale of woe, a plume of smoke, and whispers of the Invoked Devastation. Could an organization of evil be at work in the heart of the Sheldomar Valley? A group of adventurers must brave more than just some hot air to know for sure. A Sheldomar Valley meta-regional adventure for [character levels] 6 - 12. Part one of the Union of the Suel series.