"Clark. I am at your back, you live in my house, I have a rainbow of kryptonite and I am Batman. If you think I can't find a way to make you regret this, you don't know me nearly as well as I think you do."

This entire thing had gone from profoundly painful to profoundly ridiculous but he was serious about the threat. Clearly. Probably not the green stuff, definitely not the red stuff, but silver? Yeah. Okay, maybe not since he'd pay for it as much as Clark but he would find something.