Please give Master Yi's Meditate CC Immunity (with stats adjustment)
Most assassins have some kind of escape tool. Master's Meditate is unique and interesting ability that is often used as "escape" tool.
Despite the fact it is stationary and doesn't require an outplay* - it can be easily countered. I suggest giving Meditate CC immunity while lowering healing amount at the same time. Additionally it will solve the issue with Master Yi staying pretty healthy in jungle.
*it doesn't directly interact with enemy champions, like Kata's ult
OverLoaded
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) or Kayn/Camille.
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and others who can dish out tons of damage can be stopped by a well timed cc.