Enter the shadow-cloaked realm of Ustalav, the seat of horror in the Pathfinder campaign setting. Here, accursed Counts vie for power over terror-torn lands of mystery and dark legend, endlessly plagued by terrifying creatures of the night and the eternal curses of a haunted past. In the shadows of both cities and wilds prowl vampires and werewolves, while ghosts and worse lurk amid the ruins of glories squandered long ago. Here, superstition, fortune-telling, and bargains with dark powers hold sway over folk that know all too well not to venture out at night. Learn what horrors lurk in Ustalav's shadows in this in-depth guide to the mysterious realm, along with harrowing investigations into its most infamous ruins and haunted houses.