Which Episode Luffy Use Supreme Haki =link=

Luffy first utilizes Supreme King Haki in episode 389 against Duval's bull, with his first major display occurring in episode 413 to stop the Boa sisters on Amazon Lily. Later, he exhibits mastery post-timeskip, knocking out 50,000 enemies in episode 554, and eventually masters advanced infusion during the Wano arc. For a full, detailed breakdown of these episodes and Haki's, visit the One Piece Wiki.

— Upon returning to Sabaody, Luffy casually uses Haki to knock out the "Fake Straw Hats" and their recruits without lifting a finger. Showdown at Fish-Man Island: Episode 554 which episode luffy use supreme haki

Post-Timeskip: Fish-Man Island (first explicit post-timeskip hint) Luffy first utilizes Supreme King Haki in episode

2. Methodology: Defining "Supreme King Haki" Operationally

For the sake of this analysis, we define the fan-term "Supreme King Haki" as having three potential meanings: he exhibits mastery post-timeskip

The Emergence of Supreme Haki

• Episode: Fish-Man Island arc contains early post-timeskip references to Luffy’s increased Haki ability, but not a standout Conqueror’s Haki display.
• Actionable: Use these episodes to observe Luffy’s overall Haki growth (look for intensity changes in aura/character reactions).