User blog comment:IamJakuhoRaikoben/Chapter 388: Erza vs. Minerva, Review./@comment-133.101.167.124-20140616080800/@comment-7418318-20140616082748

Actually it doesn't give her anything. It's just ordinary cloth. The sword is the only thing magical in the set.

Maybe now with that sword being broken by Minerva, she will finally use something else again.