How much power does a crown prince actually have? Like with Joffrey for example, if Robert had lived and the whole incest thing was put off a while and Joffrey was a man grown, but not named protector of the realm or hand of the king whatever title a crown prince can hold, and did a tour of one of the kingdoms, and a lesser lord or a knight did him wrong, whether it be verbally or physically attacking him does he have it in his power to make a decision on what’s to happen to said person