Dark Houses

From Dark Houses: The Guild Hive Introduction:

Dark Houses is a series of pdfs detailing locations of no small dread. Each release includes a chilling illustration by Bradley K. McDevitt, a complete description of the location and how to use it in your campaign, new rules relating to the location such as new spells, poisons, items, and more. Each release also ties in with a set of e-Adventure Tiles by Ed Bourelle of SkeletonKey Games with instructions for using the tiles and a bonus tile available exclusively with this product.