Knight
A Knight is a hero character from The Sims Medieval. Only knights, monarchs and spies can duel. A knight can kill a Monarch and take over, though it is not clear how you will be able to do this. It has also been announced that Knights will be able to duel with others, And travel to other Kingdoms for quests.
Knights also will be able to go on quests. The Knight will need to level up his/her sword to advance in quests. To level up you must duel, which allows you to gain experience.