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.
This build was first made for Akali ( not the same items and stuff ) and it didnt really work out well so i deleted the akali build and made my own Amumu build. so the bad thing is it already has some bad votes and comments and i hope that peopl will fix it by voting +1 for this awesome amumu build :D
If this works better then ill start making a nice Description here but its kinda pointless now cuz im not sure that many people will read this because of the - votes.