"It did because Rowena’s daughter Helena is actually a ghost at Hogwarts," Harry assured her. "It was hard to convince her to tell me where the diadem is, though. Apparently, she had some sort of weird relationship with Tom when he was a student here, and he basically tricked her into giving away the diadem and made it into a Horcrux against her will. But Pansy," he gave his girlfriend a pointed look, "kept screaming and cursing and yelling at her to tell where the diadem was. Literally took a whole week until Helena was ready to talk to me again. That’s when she told me."