User blog comment:B214/Question and Answers/@comment-166.216.194.68-20131008031250/@comment-9339850-20131008031815

everyone was afraid of her, she was one of the strongest beings at her full power, even after some of her power was taken they didnt try to control her because she still had an emense amount of power that, though they found it advantageous that she had taken a liking to Issei, which in a roundabout way brought her over to their side