Talk:Yasuo/@comment-5571637-20131216104420/@comment-3974211-20131216153449

I tested the reduction myself on a target with no armor and I was only dealing 225% of my attack damage.

It's possible that Statikk Shiv is unaffected by the reduction.

The meaning of "the reduction is not a subtraction to his critical strike damage statistic" is that it isn't 250% - 10% = 240%. All champions have a base critical damage of 100%, Infinity Edge grants +50%, runes grant various amounts, a season 3 mastery granted +10%, etc. Shaco's Deceive modifies base critical damage to 80 / 90 / 100 / 110 / 120%. Critical damage stacks additively. That comment is merely clarifying that the in-game tooltip's "his critical strikes deal 10% reduced damage" doesn't mean "he has a base critical damage of 90%".