Duck's gaze jerks back and forth from one to the other, growing more distraught and frightened every second.

"Stop it, qw-stop it, stop it!"

Holding onto Duo didn't seem to work; she can't think of anything else to do besides fling herself bodily between the two combatants, heedless of the risk of catching a stray punch.

"I know you don't want to hurt each other, I know it!"