Master Yi gets nerfed, but he is still broken.
Literally all you need on Yi is To be sated and Guinsoos Rageblade. And you are unstoppable unless your entire team blows all of its CC on him and then there are the other 4 players to worry about if you happen to stop an alpha strike. I don't understand what the balance team at Riot doesn't see. All of these champions that can just ruin a game of league. If you look at it in this perspective. Yi has his two God items and boots. An ADC has an IE boots and maybe a static shiv. A Yi will beat you in a 1v1 without breaking a sweat. I just don't get how unbalanced champions stay unbalanced for so long. It doesn't make sense to me.

, and go tank on-hit damages. you can dealtons of damages, beat everyone, and never die.
Ult
( yi's current mini ult). And watch rest melt. It seems most Olaf build has
. In CD perspective it's 100+45 to 75 + 180. that's a hell lot of difference. And in gold it's 500 ( i can get
or 
