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.
Before you start talking big about this build... Just try it
You can delete everyione, trust me when i say anyone i think a rammus should be no prob for you with your items.
Ult when you have 4 ferocity stacks and Q on your target then do a Empowerd Q using the hydra right after it will pretty much 1 shot anyone.