Every Conqueror's haki user has used their Coc abilities (aside from Sengoku but we know what he has accomplished so it doesn't matter). Is Kidd unaware of his Coc, and will he use it later? And could the …

We know of the several forms of Haki, the Kenbunshoku Haki, Busoshoku Haki and the Haoshoku Haki. I've been wondering, are those Haki visible to other characters in the One Piece universe, or only

When Conqueror’s Haki is deliberately concentrated it manifests in the form of Conqueror’s Haki lightning. It becomes clearly visible, adopts an actual physical shape and inflicts enormous damage …

Does excessive usage of Haki take a toll on the user? N-- but yes. By nature, excessive activity will generate stress but in accordance with my above answer, this is just an unlikely result. If it is so, how …

Usopp also displayed observation haki in film Red, and arguably during the dressrosa arc when taking out sugar. So, does Usopp canonically have observation haki? I think we have to say that yes he …

The physical strength attribute of haki works as an "invisible armor" called Busoshoku Haki. The raise in density & thus, black coloring of a body part is in this haki category called Busoshoku: Koka.

Unknown at this point. Katakuri and Rayleigh fall into the first mate category and it seems Oda likes giving the first mates of the most powerful crews Conqueror's haki (except King). Honestly, if it wasn't …

Haki was unknown at that time so any Logia users we saw hurt were due to their specific fruit's weaknesses: Crocodile has the Sand Sand Fruit which is weak to moisture. If you get sand wet it …

His armament haki is more impermeable that most people's haki, and he can cover his whole body all at the same time. For comparison, look at how often Luffy has covered his whole body at the same time …

2 There are 6 techniques that are the keys to Rokushiki. Despite a claim in another answer from a well informed user that none of the CP9 members are haki users, several of these techniques seem to be …