They'd gone back in time all right, to the moment before the shadow creatures had been forced to reveal themselves. Currently, the three of them stood on the outskirt of the lot, right behind one of the larger of the monsters. Frantically, Hermione removed the chain from their necks and then they backed away as quickly and quietly as possible. Feeling a shimmer of magic wash over her body, she turned and saw Loki with a look of deep concentration on his face. He was obviously shielding them from the monster's view.