Board Thread:Naruto Discussions/@comment-24531362-20140831150337/@comment-28861328-20140903223018

Madaraisdead wrote: OR probably because she didn't have her will when she poured all of it into creating Black Zetsu. She can go back and forth into the ten tails at will, something that she did not have when TT was revived during the war.

Ding, ding, ding, ding. We have a winner, folks.