The Bat didn't go for the guns, which blended well with the rest of the suit. They were discernible to those with a good eye for such things. Bane was probably just such a person, good eyes, black heart.
"There's always a choice. I can show you the way out." Death sentences weren't high on the Bat's list, but this particular Bat didn't want to tangle with what was below. Broken backs and then some really weren't a good thing, even if there was a Cowboy God somewhere to call on. Why risk it?
There was a sound in the air, and the BatMule came into view. Flood lights beat down on the one known as Bane; the angle meant to hide the Bat, blind the Bane.
"What are you doing here, Bane?" Yes, the Bat knew who he was. "What homicidal plan are you working on now?" There was some need for conversation; Bane could be planning something that would cause death and destruction. The Bat needed to get ahead of it.