If you meant just any use of Supreme King Haki, the first is .
In the One Piece series, Luffy's use of Conqueror's Haki, also referred to as "Supreme Haki," is a significant plot point and showcases his growth as a character.
If you meant just any use of Supreme King Haki, the first is .
In the One Piece series, Luffy's use of Conqueror's Haki, also referred to as "Supreme Haki," is a significant plot point and showcases his growth as a character. which episode luffy use supreme haki