"Maybe, but we need something, don’t we? We need to get in, Hermione. You didn’t see her face when the vault came up. She threatened Ron to tell him if we had taken something from the vault. And she wasn’t only angry; she was afraid of something. She doesn’t know the sword in there is fake. Godwrick knows it, now we know it, but she doesn’t. And something else is in there, it must be, and we can’t get in without Bellatrix." Harry insisted and his expression showed her he meant every single word.