(No worries!)
Damian tensed as Rose moved. He didn't see any immediate threats but he knew how to take a cue. He scrambled up the fire escape after her. He watched as she fiddled with her bag and turned his attention to the skyline.
"No," he said in a tone that implied that she was ridiculous for even asking. There was being prepared and then there was taking unnecessary risks. Besides, if he had thought there might have been a need, he would have instructed Pennyworth to idle away in a closely parked vehicle. As it was, he'd just have to make the best of it.