Karthus Counters

LoL Karthus Counters and Best Teammmates

The Best LoL Champions to Synergize and Counter Karthus

32,871 Karthus Counters and Matchups Analyzed


We determined our best and worst Karthus counters with information pulled from 32,871 ranked League matches. We have figured out the champions with the highest and lowest rates of victory versus him. Additionally, we have found which champions can serve as good teammates to help you win more League games.

As shown above, Xerath is the strongest to challenge Karthus with a 55.0% win rate against him. Similarly, Master Yi and Shyvana are the next biggest threats to Karthus. They have win rates of 55.0% and 54.0%, respectively. You should avoid taking him into a match where one of these champs has already been selected.

Conversely, if you are facing off against Rumble, you can anticipate doing much better. Karthus counters them with a great win rate of 55.0%. Equally, you can anticipate doing very well against Gragas and Azir. They have the next worst winrates against Karthus.

Karthus Team Synergies

If you are looking for great champ synergies for your own comrades to help improve your win rate even further, take a look at the Karthus synergies above. Regardless of his chosen position, he does very well when alonside Skarner. This pairing usually increases his chances of winning by 5.0%. Graves and Kled are also superb champions to pair with.

Our Methods

If you want to find out more about a specific Karthus counter, along with the finest builds to use in that matchup, please click the related row in the tables above. If the specific Karthus counters you are interested in are not found below, you may view all possible counters at the above link.

Additionally, if you want to get Karthus synergies and counters for a specific division, please feel free to select a different division from the dropdown above.

We comb through millions of League of Legends matches pulled directly from Riot’s servers each week. We analyze the data using advanced algorithms to bring you the most accurate Karthus counters online.

Guide to Countering Karthus

  • Try to pick of Karthus before teamfights because he excels at dealing damage and being in the thick of the battle.