Gordon Freeman

The only remaining danger at street level- John and his tranq gun are rampaging through the dormitory like there's no tomorrow- is up ahead: an entrenched Combine soldier manning a heavy pulse machine gun, mounted on top of an oddly shimmering glassy wall. He stares at Dinah, or at least gives the impression of doing so- it's not as if the glowing orange lenses set into that dark helmet can blink, after all- and brings the gun to bear...