User blog comment:IamJakuhoRaikoben/Chapter 403: Erza vs. Kyouka, Review./@comment-24784846-20141006235814/@comment-24784846-20141007023709

We don't know if it doesn't work on curses, besides you could probably be right and it doesn't work. I just want to believe that the Nakagami Armor's ability to bend the rules of magic will bend the rules of curse as well.