User blog comment:DarkSkullPirates/Chapter 695 Prediction/@comment-4156018-20121231072755/@comment-4889755-20121231185757

They exited the  corridor and were now outside, Law cut the door open and Nami used a Twister Tempo to blow the gas away temporarily.

I do believe he was on the tanker.. see here? http://www.mangahere.com/manga/one_piece/v60/c693/15.html