

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.
Gold+ Champions Analysed: 97,899,392
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 Pyke, Blitzcrank & Lulu. While Karthus support is countered most by support champions of Milio, Nami & Yuumi. Below is a detailed breakdown of Karthus support counters against support champions with a minimum of 100 games.


Milio
Douce flamme
Karthus wins against Milio 37.10% of the time which is 10.15% lower against Milio than the average opponent.
After normalising both champions win rates Karthus wins against Milio 6.24% less often than would be expected.
The average opponent winrate against Milio is 47.25%.


Nami
Aquamancienne
Karthus wins against Nami 39.43% of the time which is 8.24% lower against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 4.33% less often than would be expected.
The average opponent winrate against Nami is 47.67%.


Yuumi
Gardienne du Grimoire
Karthus wins against Yuumi 41.82% of the time which is 9.03% lower against Yuumi than the average opponent.
After normalising both champions win rates Karthus wins against Yuumi 5.09% less often than would be expected.
The average opponent winrate against Yuumi is 50.85%.


Nautilus
Titan des profondeurs
Karthus wins against Nautilus 41.88% of the time which is 8.59% lower against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 4.65% less often than would be expected.
The average opponent winrate against Nautilus is 50.47%.


Karma
Sagesse incarnée
Karthus wins against Karma 42.22% of the time which is 7.56% lower against Karma than the average opponent.
After normalising both champions win rates Karthus wins against Karma 3.62% less often than would be expected.
The average opponent winrate against Karma is 49.78%.


Soraka
Enfant des étoiles
Karthus wins against Soraka 43.33% of the time which is 4.63% lower against Soraka than the average opponent.
After normalising both champions win rates Karthus wins against Soraka 0.71% less often than would be expected.
The average opponent winrate against Soraka is 47.96%.


Thresh
Garde aux chaînes
Karthus wins against Thresh 43.44% of the time which is 5.86% lower against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 1.93% less often than would be expected.
The average opponent winrate against Thresh is 49.30%.


Lux
Dame de lumière
Karthus wins against Lux 45.24% of the time which is 4.82% lower against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 0.88% less often than would be expected.
The average opponent winrate against Lux is 50.06%.


Leona
Aube radieuse
Karthus wins against Leona 45.97% of the time which is 2.68% lower against Leona than the average opponent.
After normalising both champions win rates Karthus wins against Leona 1.25% more often than would be expected.
The average opponent winrate against Leona is 48.65%.


Lulu
Sorcière féérique
Karthus wins against Lulu 46.15% of the time which is 2.73% lower against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 1.20% more often than would be expected.
The average opponent winrate against Lulu is 48.88%.


Blitzcrank
Golem de vapeur
Karthus wins against Blitzcrank 50.41% of the time which is 0.40% higher against Blitzcrank than the average opponent.
After normalising both champions win rates Karthus wins against Blitzcrank 4.34% more often than would be expected.
The average opponent winrate against Blitzcrank is 50.01%.


Pyke
Éventreur des abysses
Karthus wins against Pyke 56.92% of the time which is 6.46% higher against Pyke than the average opponent.
After normalising both champions win rates Karthus wins against Pyke 10.40% more often than would be expected.
The average opponent winrate against Pyke is 50.46%.