User blog comment:AYET/Talk about chapter 716 and episode 604/@comment-6920514-20130731215558/@comment-3563898-20130801094602

Actually, we have seen this happen before. Shanks and Whitebeard, remember? I don't remember if it was actually stated that they were using Haoshoku against each other then, but the clouds were frickin seperating. That scene came to mind immediately after reading this chapter.