The choice to describe the princess as "semi-barbaric" primarily serves to reveal a similarity between the princess and her father, giving a clue about her decision. This description suggests that she possesses both a civilized and savage nature, which influences her internal conflict and ultimately her choice in the story's climax. It can indicate that she has inherited some of her father's authoritarian traits, hinting at the possibility that her decision may be driven by a desire for control or vengeance rather than pure love. Therefore, the most appropriate response would be:
It reveals a similarity between the princess and her father, giving a clue about her decision.