Su spluttered incoherently, her eyebrows raised and free hand geticulating in the direction Kevin had just attempted the Patronus charm. "So, so what? What - what does that have to do with anything, Kevin? That's hardly any - "
She could feel the anger beginning to well up, washing over any fear and doubt that had been building and keeping it at bay. It was making her incoherent. Was Kevin serious? She couldn't believe this. All this time she thought he had been of the same mind as her, and Su couldn't accept what she was hearing. If he told her he wasn't going to fight next, well, Su wasn't sure what she'd say, or do.
She glared up at him, unconsciously straightening to her full height. It was hardly imposing and Kevin was still easily at least two heads taller, but it made her feel better.
"You can still do something! That charm's hardly a prerequisite for a duel." Her hands balled into fists. "Or is that just an excuse?"