And that would be why she wouldn't rampage all over his kitty farm.

It was the most hollow of threats, really, since she'd taken care of it in his absence, after all, and kept it the way he'd wanted it. Nina knew where the line was!

… and actually paid attention to this particular line. Unlike others.

"I'm the fiendiest!!!!!!!!!!!!!!!!!!!!!!" she declared, just as dramatically, if not more. "Surrender to my fiendom!!!!!!!!!!!!!!!!!!!!!!!!!!!!"