He was doing his job, being a great big mucking target, and had counted on drawing some of the horde off. It was why he hadn't bothered trying to snipe with the firearm, he wasn't expecting much in the way of magical resistance after so handily blasting one of them. These two were likely the last field casters, with a mastermind somewhere at the very back, waiting and watching, for the outcome to swing fully in one direction or the other. Instead, he turned back to the zombies, and began handily removing heads from their bodies, just like he was at a target range, and the zombies were cardboard cutouts.