It looked like there might be a route up the building, but between the darkness and how distracted she was it would be very difficult to climb up. If she was just stronger she could take the easier way, but Arran would have to jump off of a box and swing up to the window.<br/><hr/>Dex+Athletics-3(-2 for distraction and -1 for light), also could you roll dex+stealth-2 if he does try.