Luffy Haki In Marineford Episode -

"Conqueror’s Haki. The power to intimidate the weak-willed into unconsciousness." His lava bubbled. "But against magma, will is just gas."

The Marines around him froze. Not from fear—from pressure . An invisible weight pressed down on their lungs, their minds, their very souls. luffy haki in marineford episode

"Gurararara! Did you see that, Sengoku?" "Conqueror’s Haki