User blog comment:Monkey.D.Me/BEHOLD! (︺︹︺) She's Monkey.D.Erza/@comment-4700320-20140327214010/@comment-4999650-20140327215118

That's a great theory~ apparently, it's making its way around the interwebz. It would also make sense why Lucy evacuated the area instead of helping Erza, because she was not a member at the time.