

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.
All Ranks Champions Analysed: 66,206,950
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 15.16 is the strongest counter to support champions of Pyke, Séraphine & Lulu. While Karthus support is countered most by support champions of Milio, Nami & Zyra. 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 27.52% of the time which is 19.61% lower against Milio than the average opponent.
After normalising both champions win rates Karthus wins against Milio 16.25% less often than would be expected.
The average opponent winrate against Milio is 47.13%.


Nami
Aquamancienne
Karthus wins against Nami 37.23% of the time which is 10.51% lower against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 7.15% less often than would be expected.
The average opponent winrate against Nami is 47.74%.


Zyra
Dame aux ronces
Karthus wins against Zyra 37.98% of the time which is 9.77% lower against Zyra than the average opponent.
After normalising both champions win rates Karthus wins against Zyra 6.41% less often than would be expected.
The average opponent winrate against Zyra is 47.75%.


Soraka
Enfant des étoiles
Karthus wins against Soraka 38.98% of the time which is 9.23% lower against Soraka than the average opponent.
After normalising both champions win rates Karthus wins against Soraka 5.86% less often than would be expected.
The average opponent winrate against Soraka is 48.21%.


Brand
Vengeur flamboyant
Karthus wins against Brand 39.22% of the time which is 8.71% lower against Brand than the average opponent.
After normalising both champions win rates Karthus wins against Brand 5.35% less often than would be expected.
The average opponent winrate against Brand is 47.93%.


Yuumi
Gardienne du Grimoire
Karthus wins against Yuumi 42.48% of the time which is 9.66% lower against Yuumi than the average opponent.
After normalising both champions win rates Karthus wins against Yuumi 6.28% less often than would be expected.
The average opponent winrate against Yuumi is 52.14%.


Thresh
Garde aux chaînes
Karthus wins against Thresh 43.35% of the time which is 6.31% lower against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 2.93% less often than would be expected.
The average opponent winrate against Thresh is 49.66%.


Blitzcrank
Golem de vapeur
Karthus wins against Blitzcrank 43.94% of the time which is 6.49% lower against Blitzcrank than the average opponent.
After normalising both champions win rates Karthus wins against Blitzcrank 3.11% less often than would be expected.
The average opponent winrate against Blitzcrank is 50.43%.


Leona
Aube radieuse
Karthus wins against Leona 44.10% of the time which is 4.91% lower against Leona than the average opponent.
After normalising both champions win rates Karthus wins against Leona 1.54% less often than would be expected.
The average opponent winrate against Leona is 49.01%.


Karma
Sagesse incarnée
Karthus wins against Karma 45.79% of the time which is 4.10% lower against Karma than the average opponent.
After normalising both champions win rates Karthus wins against Karma 0.72% less often than would be expected.
The average opponent winrate against Karma is 49.89%.


Nautilus
Titan des profondeurs
Karthus wins against Nautilus 45.81% of the time which is 4.94% lower against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 1.56% less often than would be expected.
The average opponent winrate against Nautilus is 50.75%.


Morgana
Déchue
Karthus wins against Morgana 49.00% of the time which is 0.21% higher against Morgana than the average opponent.
After normalising both champions win rates Karthus wins against Morgana 3.58% more often than would be expected.
The average opponent winrate against Morgana is 48.79%.


Mel
Reflet de l'âme
Karthus wins against Mel 49.04% of the time which is 4.02% lower against Mel than the average opponent.
After normalising both champions win rates Karthus wins against Mel 0.64% less often than would be expected.
The average opponent winrate against Mel is 53.06%.


Lux
Dame de lumière
Karthus wins against Lux 49.83% of the time which is 0.12% lower against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 3.26% more often than would be expected.
The average opponent winrate against Lux is 49.95%.


Lulu
Sorcière féérique
Karthus wins against Lulu 50.31% of the time which is 0.14% higher against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 3.52% more often than would be expected.
The average opponent winrate against Lulu is 50.17%.


Séraphine
Chanteuse rêveuse
Karthus wins against Séraphine 52.21% of the time which is 1.16% higher against Séraphine than the average opponent.
After normalising both champions win rates Karthus wins against Séraphine 4.54% more often than would be expected.
The average opponent winrate against Séraphine is 51.05%.


Pyke
Éventreur des abysses
Karthus wins against Pyke 55.88% of the time which is 4.65% higher against Pyke than the average opponent.
After normalising both champions win rates Karthus wins against Pyke 8.03% more often than would be expected.
The average opponent winrate against Pyke is 51.23%.