Which Episode Luffy Use Supreme Haki -

"I'm gonna be King of the Pirates," Luffy said, his voice carrying over the silence of the battlefield, heavy with the weight of a conqueror. "And that means taking you down."

If you want to skip the filler and go straight to the scene where Luffy uses the power that makes you a "Supreme King," here is your watch order: which episode luffy use supreme haki

to stop the executioners from killing Ace, shocking the Admirals and Whitebeard. First Conscious Use (Episode 518): "I'm gonna be King of the Pirates," Luffy