If someone trains their armament haki enough they could one shot anyone with just their normal armament haki, it doesn't even have to be applied in such a way where it is visible on the manga page or in the anime,
More advanced applications of haki are like ki techniques, they are good applications of haki and different ways of using it, but if you train it enough, your haki can be stronger than the haki of someone who applies it in a different way,
More advanced applications of haki are like ki techniques, they are good applications of haki and different ways of using it, but if you train it enough, your haki can be stronger than the haki of someone who applies it in a different way,
