Karthus Counters

The Best LoL Champions to Synergize and Counter Karthus

LoL Champion


35,729 LoL Matches Analyzed

Stats Build Counters


We calculated the best and worst Karthus counters with data pulled from 35,729 ranked League of Legends games. We have worked out the champs with the best and worse rates of victory when facing him. Furthermore, we calculated which champions can serve as valuable allies to help you win more League games.

As can be seen below, Dr. Mundo is the strongest challenger for Karthus with a 55.0% win rate against him. In a close second and third place, Udyr and Fizz are the next scariest threats to Karthus. These two have win rates of 46.0% and 46.0%, respectively. You should avoid bringing him into a match where any of these other champs has already been selected.

Conversely, if you're playing Azir, you can expect to do much better. Karthus counters them with a great win rate of 58.0%. Similarly, you can anticipate doing very well when battling Qiyana and Nidalee. These champs have the next poorest win rates when countering Karthus.

Who Counters Karthus

Champion Win Rate
Karthus vs Dr. Mundo Counter Dr. Mundo 45 %
Karthus vs Udyr Counter Udyr 46 %
Karthus vs Fizz Counter Fizz 46 %
Karthus vs Master Yi Counter Master Yi 46 %
Karthus vs Xerath Counter Xerath 46 %

Who Karthus Counters

Champion Win Rate
Karthus vs Azir Matchup Azir 58 %
Karthus vs Qiyana Matchup Qiyana 55 %
Karthus vs Nidalee Matchup Nidalee 54 %
Karthus vs Lissandra Matchup Lissandra 54 %
Karthus vs Lillia Matchup Lillia 54 %

Karthus Team Synergies

Champion Win Rate
League of Legends Champion Olaf Stats Olaf 53 %
League of Legends Champion Wukong Stats Wukong 53 %
League of Legends Champion Udyr Stats Udyr 53 %
League of Legends Champion Vi Stats Vi 53 %
League of Legends Champion Hecarim Stats Hecarim 53 %

If you are seeking the best champ pairings for your own comrades to improve your win percentage more, take a look at the Karthus synergies above. Regardless of his chosen position, he does very well when paired with Olaf. This pairing usually boosts his average win rate by 3.0%. Wukong and Udyr are also awesome champions to pair with.

If you would like to find out more about a specific Karthus matchup, along with the preferred builds to employ in that situation, please click the corresponding row in the tables above. If the particular Karthus counters you are looking for aren’t avaialable below, you may see all possible counters at the above link. If you would like more focused countering guidance and advice, you should take a look at our guide to countering Karthus a little lower on the page.

To reduce the Karthus counters to a particular ranked division only, select the desired ranked division from the dropdown above.The provided counters and synergies will be updated.

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.

Our Methods

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.