User blog comment:Xilinoc/Ch. 785 - Bullet Bill Luffy/@comment-4306080-20150507120732

I think it's pretty obvious Burgess was waiting for Luffy and Doflamingo to exhaust each other and attack when they can't fight back. Doflamingo is already defeated and Luffy's time is running out in this gear. I doubt he will be able to fight afterwards. It's also not coincidental Koala is the one to see Burgess. She will inform Sabo about the danger Luffy is in, and it's time for big brother to step in and protect little brother. It will be a sort of redemption for Sabo for not being there to save Ace, so now he will save Luffy