User blog comment:IamJakuhoRaikoben/Chapter 366: 1000 Souls, Review./@comment-4449950-20140109223850/@comment-5598380-20140109225042

The credit goes to Wendy i think and to Natsu's flames. Wendy was able to revive Atlas Flame's soul by Milky Way and Natsu supplied flame to the altar? And of course, Gray first for thawing the ice covering the giant flame.