Master Yi Build
Not Updated For Current Season
The masteries shown here are not yet updated for the current season, the guide author needs to set up the new masteries. As such, they will be different than the masteries you see in-game.
Items items items!
Wriggle and phage keep on ganking/jungle.
Black Cleaver will carry your mid.
Never ever build frozen mallet from phage.
Build your zeal+infinity edge then phantom dancer
Late Late Game (in this order)
Consider selling black cleaver for madred blood razor.
Sell berserker for mercury.
Sell phage for warmog.
Sell Wriggle for blood.