User blog comment:IamJakuhoRaikoben/Chapter 415: And It Shall Become Your Will To Live, Review./@comment-24546844-20150110204315/@comment-9595671-20150111090823

My best idea related to that, we all know the Dragons disappeared on 7/7/X777 right?

What if Acnologia was responsible for that somehow? That could have easily been the day they lost their souls for all we know