Eventually , Edmund heals is crowned to the Great Western Wood by Aslan as King Edmund the Just , co-ruler of Narnia with Queen Lucy , Queen Susan and High King Peter , and is knighted as Duke of Lantern Waste , Count of the Western March , and Knight of the Noble Order of the Table . Eventually , a completed reformed Edmund Pevensie is crowned to the Great Western Wood by Aslan as King Edmund the Just , co-ruler of Narnia with Queen Lucy , Queen Susan and High King Peter , and is knighted as Duke of Lantern Waste , Count of the Western March , and Knight of the Noble Order of the Table .