A blip on Mercury's monitor showed that he was holding something metallic. Given the size and angle, I'd say a knife.

"We've spoken, and you have not returned to your room as I have asked," she said reproachfully through the mist.

"This is your last warning. If you do not return to your room right now, I will attack you. And believe me, it is for your own good that I am telling you to go back."

Mercury's hands were poised, ready to throw an attack.