User blog comment:IamJakuhoRaikoben/Chapter 386: Galaxia Blade, Review./@comment-3424593-20140530200913/@comment-7418318-20140530210710

I think Wendy was healing him in the background while Lucy made the lacrima-call back to the guild to tell them what they learned from Michello, but I'm not completely sure.

But your comment still holds true, considering the Amaterasu blast Natsu caught from Franmalth in his Hades shape.