She kind of wants to keep arguing; it's obvious she's immensely vexed that Amethyst isn't seeing the same thing that she is. It seems obvious to her? She doesn't really have any special abilities that exceed Amethyst's own natural ones, so on paper, their power levels are essentially comparable. The only thing stopping Amethyst from doing something incredible is... Herself?

"Okay," she huffs reluctantly. "But you do understand that I'm not actually expecting you to kill the Huntsman... I just think that you absolutely could, if you wanted to. Because I believe in you."