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The only time Luffy uses Haki at Marineford is when he unleashes to save Ace from the execution platform.
However, there is where he unconsciously uses a form of Haki. Here is the detailed guide. when does luffy use haki in marineford ep
Luffy's use of Haki allows him to sense and track his targets, as well as imbue his physical attacks with spiritual energy, making them more powerful. This is a significant moment in the series, as it showcases Luffy's growth and abilities as a pirate. The only time Luffy uses Haki at Marineford
Occurs in Episode 478 (and continues into the start of Episode 479 ). This display shocks the world, as many high-ranking officials and pirates—including Whitebeard , Sengoku, and the Three Admirals—realize that Luffy possesses the "disposition of a king". when does luffy use haki in marineford ep