"Ah, yes, of course." Ducane was back to smiling brightly, and thankfully appeared to be moving on to less Grangery topics. He reached into his pocket and procured two items. "Your wand, Auror Malfoy, and a potion to help counteract the side effects of temporal psychosis. That’s a common illness time travelers experience, you see. Most witches and wizards have no trouble traveling an hour or two here and there, but consistent Chrono-Apparating across years? The symptoms range from mild déjà vu to debilitating headaches, and even on rare occasions, to severe mental breaks—or even death."