User blog comment:Wrath022/Chapter 516: The Truth About Enchantment, Review/@comment-5303512-20161227040743/@comment-1359322-20161229043548

No, i don't consider them separate entities. Double personality yes.

And no Natsu isn't a case of split or double personality like Zero. He hasn't shown any of those signs so don't give me the nonsense that Natsu's personality changed. It hasn't changed at all as seen in the past few chapters Natsu is still Natsu.