This is the initial zombie type discovered at Rex Lab's B-1 Center. It temporarily enhances its muscular strength beyond the limits of the body by utilizing a pilfered, unstable sample of Actual Guns' gaslightoline serum—the same serum responsible for amplifying bullet damage and the player's default health. Now, what happens when an abused construction worker, or a Counter-Terrorist for that matter, gets injected with it against their will? Let's find out.