User blog comment:IamJakuhoRaikoben/Chapter 515: I Am You... You Are Me, Review./@comment-112.202.164.133-20161221113732/@comment-29693708-20161221142104

True but the thing is, Erza was re-quipping just fine until she was caught in Ajeel's sand.

Though I suppose it could be that Erza was briefly in range of Marin's magic just before Lucy stamped on him.