He was injured deadly, so his artificial body was made-up, so he can keep up with any foe. He also known as the guy, who completed the most dangerous mission anyone ever completed - clear ANS-F11's base. They were equipped with Gauss Lasers and most hardened armor that almost replaced their skin, and only Scout was equipped with a pistol. If it's even the immortal foe, Scout goes on the trick and finds their weakest points. At least he is immune to bullets and cuts...