From publisher blurb: Whispers have emerged that The Worm That Walks is returning to Faerun. Contained in the following pages can be found a summary of the heralds of Kyuss, as well as optional rules for characters that may find themselves beholden to the harbinger of the final apocalypse. Includes 3 new creatures, one new cleric domain, and adventure seeds to get your characters moving along their new, dark path.