Glass Rebel
Member
Luffy says "I have some new tricks to try" which up to this point had meant things like "water luffY" and "putting Arlong's jaws in his mouth". It also wasn't a scene added in a flash back it was shown live during the ride over to Enies Lobby.
He did, let me just look for the exact page...
Retcon: Volume 39, chapter 376.
Infinite crisis: Stop stealing my thunder Bass!
Yup, that one. Thanks.
And I agree about flashback trainings being ultimately pointless.