Confronted by Hody Jones and an army of 100,000 New Fish-Man Pirates, Luffy walks past a worried Jinbe and Sanji. He releases a massive, sweeping wave of Supreme King Haki. Instantly, 50,000 enemy soldiers faint, cutting the opposing army exactly in half in seconds. Episode 716: Clashing with Don Chinjao
The episode where Luffy prominently uses his Supreme Haki is during the Whole Cake Island Arc (episodes 783-878), specifically in episode 867. As Luffy confronts Charlotte Katakuri, one of the strongest members of the Yonko Big Mom Pirates, he activates his Supreme Haki. This powerful display allows Luffy to overwhelm Katakuri, who is also a user of Conqueror's Haki.
While fighting Boa Hancock’s sisters (Marigold and Sandersonia) in the execution arena, Luffy unleashes a burst of Haki to stop them from breaking a petrified statue of his friend, Margaret. The burst knocks out a large portion of the Kuja warriors in the stands. which episode luffy use supreme haki
Faced with Hody Jones’ massive army of 100,000 rebellious Fish-Men, the Straw Hat crew stands unfazed. Luffy calmly walks to the front of the line. As the enemy charges, he releases a massive wave of Supreme Haki. In an instant, exactly 50,000 enemy soldiers fall unconscious. This moment serves as the ultimate demonstration of how much more powerful Luffy became during the timeskip. 4. Clash of Kings (Supreme Haki vs. Supreme Haki)
After training with Silvers Rayleigh for two years on Rusukaina, Luffy returns with full control over his abilities. He no longer needs emotional triggers to use it. Episode 518: The Fake Straw Hats Confronted by Hody Jones and an army of
The massive bull instantly foams at the mouth and collapses in sheer terror. Luffy has no idea what he just did, leaving the crew highly confused. 2. Saving Margareth on Amazon Lily: Episode 413
The world of One Piece continues to expand, and Luffy's Haki abilities will undoubtedly play a crucial role in his future adventures. As the series progresses, fans can expect to see more incredible displays of Haki, further cementing Luffy's status as a legendary pirate. Episode 716: Clashing with Don Chinjao The episode
6. Shattering the Birdcage: Luffy vs. Doflamingo (Episode 723)