The peak of Luffy's Haki evolution happens on the rooftop of Onigashima during his fight against Kaido.
Before receiving formal training from Silvers Rayleigh, Luffy manifested Conqueror's Haki during moments of extreme emotional distress, usually to protect his friends.
Luffy replicates his Marineford feat to save the Vinsmoke family. He screams at the top of his lungs to destroy the portrait of Mother Carmel, releasing a burst of Haki that disrupts Big Mom's tea party and helps trigger her mental breakdown. Episode 869: The Katakuri Clash (Whole Cake Island Arc) which episode luffy use supreme haki
This is widely considered the most iconic pre-timeskip demonstration of Luffy's latent potential.
Portgas D. Ace is on the execution platform, and the executioners raise their blades to end his life. Whitebeard is injured, and no one is close enough to stop them. The peak of Luffy's Haki evolution happens on
Following his recovery, Luffy returns to the rooftop alongside Momonosuke. Luffy and Kaido clash using their Advanced Supreme Haki. The sheer force of their opposing kingly wills physically splits the clouds across the night sky—a legendary feat previously achieved only by clashes between Whitebeard and Roger, or Shanks and Whitebeard. Episode 1071 - 1074: Gear 5 and Peak Haki
As the wolves attack an exhausted Bon Kurei, Luffy unleashes a feral roar fueled by pure survival instinct. The burst of Supreme Haki instantly knocks out the entire pack of wolves. He screams at the top of his lungs
Episode 389, around the 20-minute mark.
Luffy’s journey with Conqueror's Haki is split cleanly into three distinct eras: the accidental awakenings, the post-timeskip mastery, and the advanced combat applications. 1. The Early Accidental Sparks (Pre-Timeskip)
Throughout One Piece , Luffy’s awakening and mastery of Supreme Haki serve as major milestones. Here is the definitive, comprehensive guide to every key episode where Luffy unleashes his Supreme Haki, tracking his evolution from an unconscious rookie to a certified Emperor of the Sea. 1. The Early Awakenings (Unconscious Usage)