Callisto ignores the question entirely, narrowing her eyes as she tries to puzzle out that first bit. If I have to be. She understands all of those words, but strung together in that particular order? Nope.

"If you have--? If you have this?"

She slams a balled-up fist into the palm of her other hand, trying to indicate might, strength, force. Maybe he's saying he only likes being in a position of leadership if he has the power to back it up.