In the heart of a frigid northern winter, Rayden Valkyrie takes refuge in the lands of the Sarvan people when a mounted column of Attun warriors is seen passing along the outskirts of their territory heading west. Far from their steppe domain in the east, the Attun warriors are journeying into a remote, unpopulated wilderness, drawing great alarm from the Sarvans about their purpose. Learning of the situation, Rayden joins with a band of warriors...