User blog comment:IamJakuhoRaikoben/Chapter 412: Dance Unto Ishgar, Review./@comment-1776824-20141208183425

Just pretend the dragon slayers are like horcruxes and makes sense. ...sorta. >_> Well, it'll at least give you something to work off of in case you're stuck on how the dragons appeared out of nowhere, and two of them were technically dead.