Katherine didn't mind him fighting back, not at all, not this time. This time it was for her purpose, and not in defiance. When there had been enough rough play, she stood back and took a look at what had been done. She smirked, satisfied with how he'd turned out. She probably shouldn't get so much joy out of that, but...well, she just did.
"I think that'll do, Tony." She said with a slight nod after she thought things over for a moment. Everything seemed pretty air tight at that point, no need to push it and go overboard with anything.