>CoA and CoO
Basic Haki available to everyone if they try hard enough
>CoC
Special haki for the chosen ones
>Using CoC as CoA
Super special haki for the super special chosen ones
>Voice of all things
Super rare mysterious power only available to the extra special chosen ones
>Putting your CoC into a rope for 800 years
Super special legendary Haki for the super special legendary chosen one that came out of nowhere and will probably never be used again