are you dumb or illiterate ?
read the manga zoro has never known how to use CoC and wasnt even aware he was using it he just gave it his all against kaido and then again against King why do you think he was literally at deaths door....
read the manga zoro has never known how to use CoC and wasnt even aware he was using it he just gave it his all against kaido and then again against King why do you think he was literally at deaths door....