Voldemort left the country but they had very little idea how long it took a dark wizard to hunt out a wand maker somewhere in eastern Europe. The absence of their Lord also had a fair chunk of death eaters abandoning the mansion, spreading themselves thinly over Great Britain and according to copy of the daily prophet that Hermione had picked up from a local wizarding household's trash, several death eaters had made Hogwarts their new home. Including none other than Severus Snape who they could now see seated in the headmasters office, Mcgonagall was back in her transfiguration classroom, pacing the ancient tiles.