User blog comment:Neowitch/668 - Pet Axolotl/@comment-3119203-20120523162512/@comment-4820500-20120523165201

Im sure the reason why Luffy hasnt shown anything that amazing yet is because he hasnt needed to yet. Every body he has fought so far he beats them in like a max a 3 moves so he wouldnt need to do any spectacular moves. As for their trianing, Luffy did learn all 3 hakis during his 2yrs while im sure zoro and sanji only have b & k haki so maybe it takes longer to train the conqueror's haki than it does the other two.

I agree that we should have our money on a fight with BM since that is the only yonko that has been interacted with so far in the new world.