This display stuns the world's most powerful figures, including Fleet Admiral Sengoku, the three Admirals (Akainu, Kizaru, and Aokiji), and even Whitebeard himself. Why This Moment Mattered
In Marineford, Luffy proved he was a King (by unlocking Conqueror's Haki) but showed he was still a child (by lacking the skill to control it). luffy uses haki in marineford
This moment served as the narrative catalyst for Luffy's two-year training skip under Silvers Rayleigh, where he finally learned to master the three forms of Haki he would need to survive the New World. This display stuns the world's most powerful figures,
This culminates in the arc’s devastating climax. After Ace’s death, Luffy’s will shatters. His Conqueror’s Haki, which flared against the Marines, vanishes entirely. He lies catatonic, unable to even perceive Jimbe’s words. This is the most profound Haki lesson of all: Haki is the manifestation of living will. When that will breaks, so too does the power. Luffy’s failure to save Ace is not a failure of strength but a failure of spiritual mastery—he had the seed of a king, but not the cultivated garden. This culminates in the arc’s devastating climax