User blog comment:Natsu11/Zeref and Natsu?/@comment-67.32.178.21-20120228153741

I think it's stupid, but maybe natsu actually is the son of the dragon king and later adopted by Igneel or Igneel has special connection with dragon king, so Natsu has the power to consume different elements other than fire. And fire its self is commond element to the dragon, he he