Looking around, you'd notice another one of the skulls behind you has it's eyes glowing as well for a moment, and at the same time, a feeling of terror fills your head... but you're able to easily shake it off. Likely more concerning would be a loud, high pitched flurry of barking and yelling coming from the far side of the bridge, sounding as though whatever it is is just inside the crude wooden outer walls of the keep that you can just barely see through the mist.