From publisher blurb:
A zealot turned nethermancer skulks in the sewers of Black Lightning Camp, and is out for vengeance! He is spreading an evil born of the Nether Realms amongst the warbeasts of the city, including those of your heroes. If the source of this evil is not found, and quickly, the city will be consumed by raging and dying warbeasts!
This One Sheet adventure gives you a compact and exciting adventure in the world of Warbeasts & Wyrms. Use your own heroes, or some of the pregenerated ones from our line of FREE Tale Spinner One Sheets.