You will not see Luffy consciously use Conqueror's Haki again until much later (the Post-War Arc/Return to Sabaody), but this Marineford moment is his first major, visible display of it.
In (and Chapter 559), Luffy, in a moment of panic, charges toward the execution platform. He is intercepted by Dracule Mihawk. In a desperate bid to get past the world's greatest swordsman, Luffy stretches his neck to dodge a strike, and for a split second, his eyes change—indicating the use of Observation Haki. which episode does luffy use conqueror's haki in marineford
While Episode 478 is the main event, Marineford is full of Haki teasers: You will not see Luffy consciously use Conqueror's
However, the true Conqueror’s moment comes later, born not of a desire to fight, but a desire to survive and save his brother. in a moment of panic