User blog comment:IamJakuhoRaikoben/Chapter 480: The Northern Gravestone, Review./@comment-24800928-20160404160341/@comment-7418318-20160404172553

Or he was able to escape. Remember that he can phase through things. If it isn't an on/off advantage like Juvia's water-body, he can literally become invincible... though at the same time also completely unable to do anything other than observing and talking without getting vulnerable again.