User blog comment:12th Supernova/Chapter 743 discussion/@comment-5928048-20140402120714/@comment-98.254.236.140-20140405033000

Plus where was the time that allowed Doflamingo to switch.

Also i don't think the surprise attack even worked, Doffy has conquerers haki, and so far those who posess that can perform the other 2. The moment he herad people were charging the tower and somebody was impersonating him wouldn't he just set his Kenboushiki Haki on full blast to be on the safe side.