The tunnel swiftly starts resounding with echoes, whether buzzes or gunfire or electronic shrieks. Kleiner and Sophia are running like bunnies, as per their orders; the other two rebels are a little more heavily burdened, and opting therefore to stand and club anything that flies at them out of the air.

It's lucky that the tunnels are so dark. The blood from where the manhacks get past people's defenses hardly shows up.