Bariyan slows his pace mid-step and, deliberately, extends an hand to push Caliborn's gun back down. He fixes Caliborn with a blank stare as he does this.

"I wouldn't," he says, brightening a little. "You might hit a dragon! You might also bring hordes of angry screaming demons down upon both our heads. And then I would have to work very hard to get us both out of here alive."

Though Bariyan has some very serious doubts about how likely their survival would be, in that scenario.