So, what are his absolute best outfits? It’s not uncommon ... especially before the time skip, most of Luffy’s garbs were similar-looking vests and shorts of different colors.
From a design perspective, it's one of Luffy's best, and arguably the most recognizable of all his transformations. If Luffy is looking to add a little more speed and accuracy to his attacks ...
King And Queen never fought Luffy during the Raid on Onigashima and faced Zoro and Sanji instead. Luffy and Eustass Kid never had a major fight despite being rivals and allies against common enemies.
One Piece just gave one Holy Knight a devil fruit power as broken as the Nika Fruit, setting him up as Luffy's next opponent.
Luffy has come from nothing ... The Holy Knights are the best of the best when it comes to the power of the Celestial Dragons following the Five Elders, and for now, fans know of a few members ...