User blog comment:Omega natsu2/Chapter 397: Steel, Predictions./@comment-77.195.192.186-20140824124059

translation of Mashima's tweet : https://translate.google.com/translate?sl=ja&tl=en&js=y&prev=_t&hl=fr&ie=UTF-8&u=https%3A%2F%2Ftwitter.com%2Fhiro_mashima%2Fstatus%2F503185806656172032&edit-text=&act=url

It seems there will be 3 chapters, not confirmed though