User blog comment:Luffayking12/Ace after the 2 year timeskip/@comment-5896530-20130127202556

Ace would never have left the Whitebeard Pirates, if he did get out of Marineford alive, which he didn't... He already had Haki from before it was just that he didn't use it since it didn't fit with his DF, which in turn means that there's absolutely no way for him to make black flames, no matter how much he trained over the past 2 years.