Chaosium Inc. Masks of NyarlathotepA dire plan has been enacted. If allowed to come to fruition, it threatens to destroy humanity was we know it. But all is not lost. If a few brave souls can uncover and piece together certain information, they might stand against the darkness and prevent the unspeakable from happening. Facing dark cults, strange lore, hideous monsters, and a host of implacable foes, the investigators embark on a journey of discovery to face the ultimate horror. This