User blog comment:IamJakuhoRaikoben/Chapter 373: Life or Death?, Review./@comment-70.193.154.67-20140228162314/@comment-24066070-20140302204629

Considering Natsu's sword melted, would that mean Erza is utterly powerless against Zeref?

As far as I know, the weapons she summons have no special power on their own.