User blog comment:IamJakuhoRaikoben/Chapter 331: Natsu's Strategy, Review./@comment-5871436-20130517190452/@comment-5871436-20130517190921

But why would that be Jellal? None of his Magic was shown to do that, and he doesn't warp. We would or would not have seen his blitz right into the scene with Erza. Instead we had him come right after a wave similar to Minerva's Magic appeared. To me it's obvious it's her.