A One-Round Living Greyhawk Keoland Regional Adventure
From the introduction:
In the heart of the Empire, the blighted earth is drenched with Oeridian blood, fueling the inferno of revolt. A woman seeks heroes to help her find out why, before it can bring ruin across the Sheldomar.
A Keoland regional adventure for PCs of APLs 6-12 and Part Three of the Tales of Linth series.