Cas lifted the spell from his sister and for a moment he felt a little lost with what he was supposed to do, but he’d been through this part of the process enough times that he had experience to call upon. He might have been on the receiving end rather than the giving end, but he could still use it to guide him. "I know you aren’t happy with having to move, but this is our home, I am legally your guardian, and it’s not fair to Sirius and Remus to keep staying with them. You and Harry are my responsibility, and I wasn’t going to just pawn you off to them, I love you and want to take care of you," he told her firmly.