You

It doesn’t quickly advance on you or anything, but steadily creeps in your direction. Terrifyingly. Then a very faint blue light is projected from somewhere on it onto you. This blue light is clearly scanning you in some way, as it passes up and down your body. Once it’s done, you hear a mechanical whir which causes a large metal fist to form from the robot’s crotch. You don’t think much of it, but the doctor grins at you and says, “go on,” So you prepare mentally to fight said robot. But how should you fight this thing?