

This will vary because unlike other stat sites we include 100% of a brackets champions played and never include champions that don't belong in the bracket.
Master+ Champions Analysed: 807,401
We include 100% of the champions played of every selected tier bracket in our analysis, we never include champions from outside the tier quoted tier.


Karthus Counters
Karthus jungle vs support Counters
Presently there is insufficent games played by Karthus jungle on Patch 7 to determine the strongest support counters. A matchup requires a minimum of 100 games to be displayed.


Nami
Aquamancienne
Karthus wins against Nami 48.31% of the time which is 0.96% higher against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 1.90% less often than would be expected.
The average opponent winrate against Nami is 47.35%.


Lulu
Sorcière féérique
Karthus wins against Lulu 57.76% of the time which is 10.22% higher against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 7.36% more often than would be expected.
The average opponent winrate against Lulu is 47.54%.


Nautilus
Titan des profondeurs
Karthus wins against Nautilus 58.00% of the time which is 8.49% higher against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 5.63% more often than would be expected.
The average opponent winrate against Nautilus is 49.51%.