User blog comment:IamJakuhoRaikoben/Chapter 334: Sin and Sacrifice, Review./@comment-5201137-20130608072239/@comment-4829046-20130610110636

It would make the series very dark if Zeref zombified/demonized all the dead and the good guys had to fight their fallen comrades.

Could bring about some beautiful character development and maybe take away the childishness of the cast.