One down, one to go. He'd been given his second target and Luke - or the force currently driving Luke if you wanted to get picky - had tracked her down. It hadn't been easy, but when being driven to a single-minded purpose by some form of mind control, it tends not to wear quite as much. He doesn't try to be stealthy. The pile of rubble makes stealth a bit too difficult. Instead, he simply starts clambering up from her blind side, trusting in the ever-present rain to cover the sound of his movements until he's too close for it to matter.