User blog comment:Real Godisme/469. What I want to do/@comment-4449950-20160118221454/@comment-1776824-20160119002615

I don't even think it's up for debate whether or not he used it (I still think the development was uncalled for, even with the explanation of Natsu's sudden power increase later on), when he shouted, "This is the fire of Igneel the Fire Dragon King!!" That's not something you shout for show. That was actually the power of Igneel, the Fire Dragon King. Which he legitimately obtained.