User blog comment:IamJakuhoRaikoben/Chapter 413: The Book of E.N.D, Review./@comment-4829046-20141222153051/@comment-4829046-20141224042023

And Zero is one of my favs. See the pattern? :P

True, it does get repetitive, but Acnologia was a human that got consumed with power and became a conceited beast. Zero did it out of boredom rather than conceit.