"Only way to find out is to try, and I am willing to try pretty much anything at this point if it might help."

He fires a few more shots over the edge, scanning the area and beginning to circle the roof again.

"So line it up and fire it, before they figure out there's only one of me and swarm us!"

Because he cannot be both sides of the roof at once, and eventually this is going to become a problem. He's hoping to get off the roof before this problem is realised.