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.
Hola karthus is op and a godly support don't listen to your adc about how bad karthus support is he is garbage and trash tell him to buy sightstone because it is essential for your to carry.. I mean uh support. If your adc is being a ***** and isn't buying sight stone who cares wards don't matter like do wards do damage or something no duh so why buy them there useless. But mejais for all the kill secures(****ing take them)that you provide. And rylais because slows. Duh. Just stack 3 of them all the other items are useless except zzrot because why would you not buy a zz rot it's like the best item ever. in summary carry your team with your mechanical intensivity from things standing next to enemy's with your e and clicking r from base all your other abilitys don't matter **** em don't even put points in them. Gg why is league so ez