Old Jub's Mire

From publisher blurb: Mini-Dungeon for 5 characters of level 3 The lizardfolk, inhabitants of the moor, have long been ardent servants of a powerful demon, and the sacrifice of the warm-blooded outlaws may well finally suffice to unleash a primal horror upon the lands. Can the adventurers emerge victorious from Old Jub’s Mire, or will their blood join that of the sacrifices, as an ancient terror is unleashed?