Berthold Leyburn is a man, he'is 30. Berthold is a Duke. Berthold has long gray hair, gray eyes, and delicate, aristocratic features. Berthold wears glasses. Berthold is cold, calm, closed, phlegmatic, calculating, introverted, withdrawn, polite. Berthold is the King's economic advisor. Berthold loves numbers, statistics and mathematics, is meticulous, always acts according to logic and reason. Berthold is one of three resistance leaders secretly plotting an uprising against the tyrant king.