"ACoC" is not something that has ever been mentioned by Oda. This is a fanmade term. The problem with it, is it implies it's ONE THING. For example, FS is just FS. You see the Future and it's considered FS. But CoC coating has varying levels of power/mastery. It's not like you just get it and that's it. Even when Luffy used it, Kaido said his technique "was too sloppy". That implies it's not a binary either/or. There are degrees of mastery.
For example, Yamato could very easily deal with base/G3 Luffy physically.
But Luffy was WAAYYY more deadly against Kaido.
Why? His CoA/Haki mastery is on a much higher level. This was shown by his "internal/cuff destruction Haki".
In reality, Luffy explained it pretty easily. If you can make your CoA flow, you can make your CoC flow. That's why Luffy used it immediately.
ANYONE that can make Haki flow (uses Ryou) and possesses CoC, can you use this. It's literally the same concept. The reason that characters like Katakuri/Doflamingo or even Kid didn't use it, is because they weren't using "Ryou", but just CoA hardening. (However they were still placing CoC behind their attacks, just not "coating" with it).
Do what you do there ^ but with CoC, and you have "coating". But again, there are clearly DEGREES of "flowing". Only some like Luffy can do "Internal Destruction".
So Luffy is not just doing "CoC coating" like Yamato, but doing INTERNAL DESTRUCTION with CoC. How deep your Haki "penetrates" depends on your CoA/Haki mastery. So not all "ACoC" are the same. You can have:
- "Basic CoC coating" which just coats weapon/hand with CoC (Yamato)
- "Penetration CoC coating" which blasts CoC internally and destroy opponent from within (Luffy)
For example, Yamato could very easily deal with base/G3 Luffy physically.
But Luffy was WAAYYY more deadly against Kaido.
Why? His CoA/Haki mastery is on a much higher level. This was shown by his "internal/cuff destruction Haki".
In reality, Luffy explained it pretty easily. If you can make your CoA flow, you can make your CoC flow. That's why Luffy used it immediately.
ANYONE that can make Haki flow (uses Ryou) and possesses CoC, can you use this. It's literally the same concept. The reason that characters like Katakuri/Doflamingo or even Kid didn't use it, is because they weren't using "Ryou", but just CoA hardening. (However they were still placing CoC behind their attacks, just not "coating" with it).
Do what you do there ^ but with CoC, and you have "coating". But again, there are clearly DEGREES of "flowing". Only some like Luffy can do "Internal Destruction".
So Luffy is not just doing "CoC coating" like Yamato, but doing INTERNAL DESTRUCTION with CoC. How deep your Haki "penetrates" depends on your CoA/Haki mastery. So not all "ACoC" are the same. You can have:
- "Basic CoC coating" which just coats weapon/hand with CoC (Yamato)
- "Penetration CoC coating" which blasts CoC internally and destroy opponent from within (Luffy)