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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.
Emerald+ Champions Analysed: 15,273,348
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 bottom Counters
Karthus bottom on Patch 15.4 is the strongest counter to bottom champions of Ashe, Kai'Sa & Draven. While Karthus bottom is countered most by bottom champions of Vayne, Aphelios & Sivir. Below is a detailed breakdown of Karthus bottom counters against bottom champions with a minimum of 100 games.
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Vayne
the Night Hunter
Karthus wins against Vayne 43.58% of the time which is 2.88% lower against Vayne than the average opponent.
After normalising both champions win rates Karthus wins against Vayne 8.10% less often than would be expected.
The average opponent winrate against Vayne is 46.46%.
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Aphelios
the Weapon of the Faithful
Karthus wins against Aphelios 48.00% of the time which is 1.40% lower against Aphelios than the average opponent.
After normalising both champions win rates Karthus wins against Aphelios 6.62% less often than would be expected.
The average opponent winrate against Aphelios is 49.40%.
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Sivir
the Battle Mistress
Karthus wins against Sivir 48.05% of the time which is 0.53% higher against Sivir than the average opponent.
After normalising both champions win rates Karthus wins against Sivir 4.69% less often than would be expected.
The average opponent winrate against Sivir is 47.52%.
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Jinx
the Loose Cannon
Karthus wins against Jinx 50.95% of the time which is 4.49% higher against Jinx than the average opponent.
After normalising both champions win rates Karthus wins against Jinx 0.73% less often than would be expected.
The average opponent winrate against Jinx is 46.46%.
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Twitch
the Plague Rat
Karthus wins against Twitch 51.74% of the time which is 4.35% higher against Twitch than the average opponent.
After normalising both champions win rates Karthus wins against Twitch 0.87% less often than would be expected.
The average opponent winrate against Twitch is 47.39%.
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Lucian
the Purifier
Karthus wins against Lucian 51.89% of the time which is 3.07% higher against Lucian than the average opponent.
After normalising both champions win rates Karthus wins against Lucian 2.15% less often than would be expected.
The average opponent winrate against Lucian is 48.82%.
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Tristana
the Yordle Gunner
Karthus wins against Tristana 51.97% of the time which is 4.69% higher against Tristana than the average opponent.
After normalising both champions win rates Karthus wins against Tristana 0.53% less often than would be expected.
The average opponent winrate against Tristana is 47.28%.
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Xayah
the Rebel
Karthus wins against Xayah 52.00% of the time which is 4.07% higher against Xayah than the average opponent.
After normalising both champions win rates Karthus wins against Xayah 1.15% less often than would be expected.
The average opponent winrate against Xayah is 47.93%.
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Jhin
the Virtuoso
Karthus wins against Jhin 53.90% of the time which is 5.09% higher against Jhin than the average opponent.
After normalising both champions win rates Karthus wins against Jhin 0.13% less often than would be expected.
The average opponent winrate against Jhin is 48.81%.
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Ezreal
the Prodigal Explorer
Karthus wins against Ezreal 54.22% of the time which is 4.60% higher against Ezreal than the average opponent.
After normalising both champions win rates Karthus wins against Ezreal 0.62% less often than would be expected.
The average opponent winrate against Ezreal is 49.62%.
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Caitlyn
the Sheriff of Piltover
Karthus wins against Caitlyn 54.85% of the time which is 6.02% higher against Caitlyn than the average opponent.
After normalising both champions win rates Karthus wins against Caitlyn 0.80% more often than would be expected.
The average opponent winrate against Caitlyn is 48.83%.
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Miss Fortune
the Bounty Hunter
Karthus wins against Miss Fortune 54.86% of the time which is 7.80% higher against Miss Fortune than the average opponent.
After normalising both champions win rates Karthus wins against Miss Fortune 2.58% more often than would be expected.
The average opponent winrate against Miss Fortune is 47.06%.
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Corki
the Daring Bombardier
Karthus wins against Corki 54.95% of the time which is 6.51% higher against Corki than the average opponent.
After normalising both champions win rates Karthus wins against Corki 1.29% more often than would be expected.
The average opponent winrate against Corki is 48.44%.
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Varus
the Arrow of Retribution
Karthus wins against Varus 55.38% of the time which is 5.63% higher against Varus than the average opponent.
After normalising both champions win rates Karthus wins against Varus 0.41% more often than would be expected.
The average opponent winrate against Varus is 49.75%.
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Draven
the Glorious Executioner
Karthus wins against Draven 57.05% of the time which is 9.15% higher against Draven than the average opponent.
After normalising both champions win rates Karthus wins against Draven 3.93% more often than would be expected.
The average opponent winrate against Draven is 47.90%.
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Kai'Sa
Daughter of the Void
Karthus wins against Kai'Sa 57.64% of the time which is 7.38% higher against Kai'Sa than the average opponent.
After normalising both champions win rates Karthus wins against Kai'Sa 2.16% more often than would be expected.
The average opponent winrate against Kai'Sa is 50.26%.
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Ashe
the Frost Archer
Karthus wins against Ashe 59.93% of the time which is 12.19% higher against Ashe than the average opponent.
After normalising both champions win rates Karthus wins against Ashe 6.97% more often than would be expected.
The average opponent winrate against Ashe is 47.74%.