Bill chuckled at the question. "Because she'll be a loose cannon, Ronniekins. But she'll be our loose cannon. Look, people are going to get hurt if we do this. More than likely, with the dragon they have down there guarding the lower vaults like the LeStrange's, people will get killed. The goblins that used to run that place now have ministry wizards crawling all over the place... which does lead me to believe that You-Know-Who stuck something down there."