The Empire's system of rank and office is modeled after that of Silla and Goryeo.
bird | Bird of prey | Important Bird Area | True Blood | Blood | Hot Bird | Free Bird | Big Bird | Larry Bird | In Cold Blood | Harry Potter and the Half-Blood Prince | bird of prey | George Bird Grinnell | bird migration | blood | Bird migration | First Blood | Blood, Sweat & Tears | Bird | Andrew Bird | ABO blood group system | Lady Bird Johnson | Blood Meridian | Tekken: Blood Vengeance | Hitman: Blood Money | David Bird | Blood transfusion | Blood Red Shoes | Blood Oranges | Blood Brothers |