Which Episode Luffy Use Supreme | Haki

If you meant just any use of Supreme King Haki, the first is .

The moment arrives when Luffy confronts Chinjao, a formidable pirate and one of the Warlords of the Sea. Luffy uses his Gear 4th form against Chinjao and his crew. As Luffy transforms into his Gear 4th form and charges towards Chinjao, Luffy's body radiates an intense aura. which episode luffy use supreme haki

Before Luffy learned to control this rare power, he used it subconsciously during several critical life-or-death situations: If you meant just any use of Supreme King Haki, the first is