From publisher blurb: Strange sounds have been rising up to the streets from somewhere below the city. Something untoward is afoot in the sewers. A brave bunch could clear this up in no time, couldn't they? Cavern Crawl #003 - Sewer Dwellers is a 5th Edition compatible 6th level adventure for four to six players, containing the following content: New Monster: Wererat Gangleader New Magic Item: Shield of the Hummingbird Detailed Battle Map: GM numbered, Player grid, and Player no-grid versions