User blog comment:LordLuminous/Fairy Tail Chapter 411 Theories and Predictions/@comment-7418318-20141123173547/@comment-25572451-20141124023145

CS and OS haven't appeared in a looong time, so there's a very high possibility in that. Or some stuff about gray and natsu putting pride aside for something. Highly unlikely, but what if acnologia and igneel saw a threat that could endanger them both and they have a little temporary truce, that would be pretty sweet