From the Declaration of Altria: It is decreed by this document that whenever a member of the Royal Council passes, or is no longer seen fit to rule this country, a round of the Calling will take place. Children containing Royal bloodlines, from the ages of 14-24, will be thoughtfully selected to take part. Those with the honor of being selected will fight in a battle to the death and the last wielder standing will take his or her rightful place on the empty throne.