User blog comment:IamJakuhoRaikoben/Chapter 415: And It Shall Become Your Will To Live, Review./@comment-7716957-20150110173430/@comment-25572451-20150110212640

Hmm that's an interesting theory, but from my understanding it seemed makarov and ft were unaware of mavis' presence till the x791 arc when he was surprised to see that mavis saved them