This is a fascinating topic, because
So even the “scream faint” moment is ambiguous at best. Oda left it vague on purpose – to show Luffy’s potential without granting him the power. luffy conqueror haki in marineford episode
However, the way fans remember it, discuss it, and even how Toei Animation later retconned it in a special episode makes this a perfect case study in anime adaptation, foreshadowing, and the nature of haki itself. This is a fascinating topic, because So even