User blog comment:Derax-Pagani/Fairy Tail: Dragon Cry Movie Review/@comment-2214433-20170518100944/@comment-21119641-20170518121501

Oh, my bad. Hmmm, yeah, he can't put ANYTHING he wants, since I said he doesn't have 100% freedom, but there's still room.

If anything, from what I see, Acnologia's past and motivation is so simple...it could be included in a few panels through dialogue and Acnologia's own expressions.