Board Thread:Naruto Discussions/@comment-25442710-20140926150531/@comment-1512913-20140929121620

Think logically. The incarnates are born with Ashura or Indra's chakra. If the "battle avatar" were a part of Ashura's inheritance, then Hashirama would have had it too, yet he didn't. Hashirama too did have "life force" and "yang" whatever, but no "battle avatar"