And Tonks tumbles inelegantly from his back, landing sprawled-out on the rooftop. Unphased, she picks herself up and walks over to the tent. "A week ago. Hunh. Could've been just a flaw in the duration charms, but..."

Half talking to herself, the witch walks around the perimeter of the tent, her wand out. She mutters a few spells, attempting to suss out the problem. Then she ducks into the tent.