Tomas Greenleaf has dedicated most of his life to becoming one of the finest soldiers in the sprawling Aldarri Empire, but nothing could prepare him for his first assignment: serving as a lone guardian for the frigid and remote village of Lahar. Surrounded by the deadly and unforgiving arctic for hundreds of miles, the people of Lahar have learned to thrive on the shores of the Serao: a river of molten rock holding back the ice. Greenleaf doesn't...