(Note: lore may be confusing dear viewer) Lore: An hour before the mech's defeat, the thing shedded its armor so it can fight effectively still. It then released a bunch of missile pods in the air and have them strike down. Almost every one was dead, knocked out, or trapped in rubble. Andrew Wells, he was barely conscious. The mech was about to finish him off until he felt a surge or energy. At the speed of lighting, he got out of the way. He proceeds to move really fast and cause dents in its armor with his bare hands. Striking and striking he slowly destroyed the thing. Andrew then climbs up a wall then gets on a ledge and punches the head of the mech. destroy the thing.
References: TF2 Tuefort