From the introduction: Welcome to the world of Witch Hunter: Revelations. You have entered into an ongoing story of swashbuckling horror that will lead you across the world in search of agents of evil and thwarting their plans against humanity. This story began at Origins Game Fair in 2013 and will cross the continents, facing major and minor events throughout the history of the world. One bot familiar and slight off-kilter from the Earth that you know.