Hancock = she got CoC just for being the Empress of Amazon Lily?
Doflamingo = ran away from Tsuru
Chinjao = quit being a pirate
Kid = 1 shotted with Killer by Shanks ( a fate much worse than GB's )
Sengoku = twerked whenever WB used Gura, and seems to see himself as "a cog in the machine" like Kizaru
Yamato = delulu as hell ( thought of herself as Oden )
Oden = twerked to people for 5 years straight
Harald = willing to become a slave for WG
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IMO Akainu's chance having CoC is whatever the chance of Mihawk/Dragon/Nusjuro/Garling/Ju Peter/Shamrock having CoC
If their chance is 99%, so is Akainu's
Fuji's chance.....let's just say it's the same as theirs for simplicity sake.
Kuzan's chance = 90-95 %
GB and Kizaru = 75-80 %
So yeah, i believe all Admirals have CoC