Attack on Eisen

From publisher blurb: The horrors of Eisen are a well-known threat to those who must travel the perilous countryside, and they endanger the innocent and guilty alike. When people think of these horrors, they typically think of supernatural perversions of nature—the undead, the cursed and the products of dark sorceries. But humanity is also just as capable of visiting horror on itself, and one terrifying example of this now rampages across the land—a soldier made of gears and steel, animated by no known force, pursuing its purpose with deadly efficiency and absolute focus. Unfortunately for those around it, that purpose seems to include killing as many people as possible. It has left many dead already, and appears to be unstoppable. But it has not met a Hero yet...