Celestia closed her eyes and sighed, "I'm sorry Twilight, but I had little choice. Faust refused to listen to reason, and without somewhere here capable of holding her, I had no other options but to leave her where she was for the time being. I was going to ask for your help in devising a way to contain her once you'd recovered from your time in Mareitania, but it seems we weren't the only ones who knew about Faust if they managed to find her so soon."