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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.
Platinum+ Champions Analysed: 14,066,835
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.
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Karthus Counters
Karthus bottom vs support Counters
Karthus bottom on Patch 15.4 is the strongest counter to support champions of Yuumi, Nautilus & Leona. While Karthus bottom is countered most by support champions of Lulu, Karma & Thresh. Below is a detailed breakdown of Karthus bottom counters against support champions with a minimum of 100 games.
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Lulu
Sorcière féérique
Karthus wins against Lulu 47.27% of the time which is 0.40% lower against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 5.91% less often than would be expected.
The average opponent winrate against Lulu is 47.67%.
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Karma
Sagesse incarnée
Karthus wins against Karma 48.70% of the time which is 0.40% higher against Karma than the average opponent.
After normalising both champions win rates Karthus wins against Karma 5.11% less often than would be expected.
The average opponent winrate against Karma is 48.30%.
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Thresh
Garde aux chaînes
Karthus wins against Thresh 50.80% of the time which is 2.73% higher against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 2.78% less often than would be expected.
The average opponent winrate against Thresh is 48.07%.
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Milio
Douce flamme
Karthus wins against Milio 50.88% of the time which is 3.44% higher against Milio than the average opponent.
After normalising both champions win rates Karthus wins against Milio 2.07% less often than would be expected.
The average opponent winrate against Milio is 47.44%.
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Soraka
Enfant des étoiles
Karthus wins against Soraka 51.26% of the time which is 3.67% higher against Soraka than the average opponent.
After normalising both champions win rates Karthus wins against Soraka 1.84% less often than would be expected.
The average opponent winrate against Soraka is 47.59%.
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Janna
Avatar de l'air
Karthus wins against Janna 52.99% of the time which is 5.52% higher against Janna than the average opponent.
After normalising both champions win rates Karthus wins against Janna 0.01% more often than would be expected.
The average opponent winrate against Janna is 47.47%.
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Nami
Aquamancienne
Karthus wins against Nami 53.02% of the time which is 5.77% higher against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 0.26% more often than would be expected.
The average opponent winrate against Nami is 47.25%.
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Leona
Aube radieuse
Karthus wins against Leona 53.57% of the time which is 4.37% higher against Leona than the average opponent.
After normalising both champions win rates Karthus wins against Leona 1.13% less often than would be expected.
The average opponent winrate against Leona is 49.20%.
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Nautilus
Titan des profondeurs
Karthus wins against Nautilus 59.72% of the time which is 9.86% higher against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 4.36% more often than would be expected.
The average opponent winrate against Nautilus is 49.86%.
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Yuumi
Gardienne du Grimoire
Karthus wins against Yuumi 63.46% of the time which is 14.75% higher against Yuumi than the average opponent.
After normalising both champions win rates Karthus wins against Yuumi 9.24% more often than would be expected.
The average opponent winrate against Yuumi is 48.71%.