He blocked a single strike; and his body was shaking as a result; and got absolutely BLACKE- dominated afterwards. And, Kashin didn't "swap hands" with Isshiki. "Swapping hands" would be, as the phrase suggests, both sides dishing out an equal amount of blows. Kashin threw punches, and Isshiki effortlessly blocked all of them; immediately after no-selling one of his other punches and one of his Fire Style techniques. No matter what way you slice it, there is no way in Hell Kashin is scaling anywhere close to Isshiki, not even in Sage Mode, WHICH ISSHIKI BULLIED AS WELL.
Think for once, champ.