

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.
Bronze Champions Analysed: 31,975,802
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 support vs support Counters
Karthus support on Patch 30 is the strongest counter to support champions of Séraphine, Mel & Nautilus. While Karthus support is countered most by support champions of Leona, Morgana & Lux. Below is a detailed breakdown of Karthus support counters against support champions with a minimum of 100 games.


Leona
Aube radieuse
Karthus wins against Leona 44.92% of the time which is 4.17% lower against Leona than the average opponent.
After normalising both champions win rates Karthus wins against Leona 3.03% less often than would be expected.
The average opponent winrate against Leona is 49.09%.


Morgana
Déchue
Karthus wins against Morgana 49.40% of the time which is 1.03% higher against Morgana than the average opponent.
After normalising both champions win rates Karthus wins against Morgana 2.17% more often than would be expected.
The average opponent winrate against Morgana is 48.37%.


Lux
Dame de lumière
Karthus wins against Lux 50.17% of the time which is 0.90% higher against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 2.04% more often than would be expected.
The average opponent winrate against Lux is 49.27%.


Nautilus
Titan des profondeurs
Karthus wins against Nautilus 54.01% of the time which is 3.06% higher against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 4.20% more often than would be expected.
The average opponent winrate against Nautilus is 50.95%.


Mel
Reflet de l'âme
Karthus wins against Mel 54.46% of the time which is 2.22% higher against Mel than the average opponent.
After normalising both champions win rates Karthus wins against Mel 3.36% more often than would be expected.
The average opponent winrate against Mel is 52.24%.


Séraphine
Chanteuse rêveuse
Karthus wins against Séraphine 57.00% of the time which is 6.63% higher against Séraphine than the average opponent.
After normalising both champions win rates Karthus wins against Séraphine 7.77% more often than would be expected.
The average opponent winrate against Séraphine is 50.37%.