User blog comment:FairyRaven/Fairy Tail Chapter 399: Wings of Despair, Review and Commentary/@comment-5894890-20140908165543/@comment-1359322-20140909000545

Actually it was Natsu, Zeref was just standing there and Natsu attacked him with the Heat Blade and it broke. And it was a sword that helped Natsu escaped from prison too. Natsu really doesn't know how to take care of quality goods.