Cass

She'd been dodging knives and bullets over a decade before she could talk. She had been raised by the second-greatest assassin in the world. Several governmental organizations who had seen her in actions declared her to be a metahuman. Dodging soft leather-clad balls is not child's play. It's easier.

She weaves between shots, not catching any (as she doesn't know about that particular rule), until all the balls are on her side. Upon which, she takes a single ball, and ricochets it at strange angles off the wall to hit people of the other team. And then...repeats.

Her movements are fluid, but almost bored. If only there was someone up to her level to play this game with...