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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 jungle vs bottom Counters
Karthus jungle on Patch 15.4 is the strongest counter to bottom champions of Swain, Kai'Sa & Xayah. While Karthus jungle is countered most by bottom champions of Kog'Maw, Nilah & Lux. Below is a detailed breakdown of Karthus jungle counters against bottom champions with a minimum of 100 games.
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Kog'Maw
the Mouth of the Abyss
Karthus wins against Kog'Maw 45.79% of the time which is 0.14% lower against Kog'Maw than the average opponent.
After normalising both champions win rates Karthus wins against Kog'Maw 3.46% less often than would be expected.
The average opponent winrate against Kog'Maw is 45.93%.
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Nilah
the Joy Unbound
Karthus wins against Nilah 46.96% of the time which is 2.23% higher against Nilah than the average opponent.
After normalising both champions win rates Karthus wins against Nilah 1.09% less often than would be expected.
The average opponent winrate against Nilah is 44.73%.
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Lux
the Lady of Luminosity
Karthus wins against Lux 47.52% of the time which is 0.69% higher against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 2.64% less often than would be expected.
The average opponent winrate against Lux is 46.83%.
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Ziggs
the Hexplosives Expert
Karthus wins against Ziggs 47.60% of the time which is 0.19% higher against Ziggs than the average opponent.
After normalising both champions win rates Karthus wins against Ziggs 3.14% less often than would be expected.
The average opponent winrate against Ziggs is 47.41%.
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Yasuo
the Unforgiven
Karthus wins against Yasuo 48.72% of the time which is 2.93% higher against Yasuo than the average opponent.
After normalising both champions win rates Karthus wins against Yasuo 0.39% less often than would be expected.
The average opponent winrate against Yasuo is 45.79%.
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Twitch
the Plague Rat
Karthus wins against Twitch 48.74% of the time which is 1.35% higher against Twitch than the average opponent.
After normalising both champions win rates Karthus wins against Twitch 1.98% less often than would be expected.
The average opponent winrate against Twitch is 47.39%.
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Hwei
the Visionary
Karthus wins against Hwei 49.59% of the time which is 1.18% higher against Hwei than the average opponent.
After normalising both champions win rates Karthus wins against Hwei 2.15% less often than would be expected.
The average opponent winrate against Hwei is 48.41%.
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Vayne
the Night Hunter
Karthus wins against Vayne 49.60% of the time which is 3.14% higher against Vayne than the average opponent.
After normalising both champions win rates Karthus wins against Vayne 0.19% less often than would be expected.
The average opponent winrate against Vayne is 46.46%.
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Jinx
the Loose Cannon
Karthus wins against Jinx 49.84% of the time which is 3.38% higher against Jinx than the average opponent.
After normalising both champions win rates Karthus wins against Jinx 0.05% more often than would be expected.
The average opponent winrate against Jinx is 46.46%.
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Draven
the Glorious Executioner
Karthus wins against Draven 50.68% of the time which is 2.78% higher against Draven than the average opponent.
After normalising both champions win rates Karthus wins against Draven 0.55% less often than would be expected.
The average opponent winrate against Draven is 47.90%.
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Miss Fortune
the Bounty Hunter
Karthus wins against Miss Fortune 50.74% of the time which is 3.68% higher against Miss Fortune than the average opponent.
After normalising both champions win rates Karthus wins against Miss Fortune 0.35% more often than would be expected.
The average opponent winrate against Miss Fortune is 47.06%.
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Tristana
the Yordle Gunner
Karthus wins against Tristana 51.02% of the time which is 3.74% higher against Tristana than the average opponent.
After normalising both champions win rates Karthus wins against Tristana 0.41% more often than would be expected.
The average opponent winrate against Tristana is 47.28%.
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Ezreal
the Prodigal Explorer
Karthus wins against Ezreal 51.38% of the time which is 1.76% higher against Ezreal than the average opponent.
After normalising both champions win rates Karthus wins against Ezreal 1.57% less often than would be expected.
The average opponent winrate against Ezreal is 49.62%.
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Kalista
the Spear of Vengeance
Karthus wins against Kalista 51.57% of the time which is 1.00% higher against Kalista than the average opponent.
After normalising both champions win rates Karthus wins against Kalista 2.33% less often than would be expected.
The average opponent winrate against Kalista is 50.57%.
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Zeri
The Spark of Zaun
Karthus wins against Zeri 51.61% of the time which is 3.04% higher against Zeri than the average opponent.
After normalising both champions win rates Karthus wins against Zeri 0.29% less often than would be expected.
The average opponent winrate against Zeri is 48.57%.
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Caitlyn
the Sheriff of Piltover
Karthus wins against Caitlyn 51.77% of the time which is 2.94% higher against Caitlyn than the average opponent.
After normalising both champions win rates Karthus wins against Caitlyn 0.39% less often than would be expected.
The average opponent winrate against Caitlyn is 48.83%.
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Varus
the Arrow of Retribution
Karthus wins against Varus 51.96% of the time which is 2.21% higher against Varus than the average opponent.
After normalising both champions win rates Karthus wins against Varus 1.12% less often than would be expected.
The average opponent winrate against Varus is 49.75%.
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Ashe
the Frost Archer
Karthus wins against Ashe 52.12% of the time which is 4.38% higher against Ashe than the average opponent.
After normalising both champions win rates Karthus wins against Ashe 1.05% more often than would be expected.
The average opponent winrate against Ashe is 47.74%.
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Sivir
the Battle Mistress
Karthus wins against Sivir 52.12% of the time which is 4.60% higher against Sivir than the average opponent.
After normalising both champions win rates Karthus wins against Sivir 1.27% more often than would be expected.
The average opponent winrate against Sivir is 47.52%.
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Lucian
the Purifier
Karthus wins against Lucian 52.23% of the time which is 3.41% higher against Lucian than the average opponent.
After normalising both champions win rates Karthus wins against Lucian 0.08% more often than would be expected.
The average opponent winrate against Lucian is 48.82%.
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Smolder
the Fiery Fledgling
Karthus wins against Smolder 52.24% of the time which is 2.13% higher against Smolder than the average opponent.
After normalising both champions win rates Karthus wins against Smolder 1.20% less often than would be expected.
The average opponent winrate against Smolder is 50.11%.
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Mel
the Soul's Reflection
Karthus wins against Mel 52.71% of the time which is 1.94% higher against Mel than the average opponent.
After normalising both champions win rates Karthus wins against Mel 1.39% less often than would be expected.
The average opponent winrate against Mel is 50.77%.
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Jhin
the Virtuoso
Karthus wins against Jhin 52.73% of the time which is 3.92% higher against Jhin than the average opponent.
After normalising both champions win rates Karthus wins against Jhin 0.59% more often than would be expected.
The average opponent winrate against Jhin is 48.81%.
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Corki
the Daring Bombardier
Karthus wins against Corki 52.75% of the time which is 4.31% higher against Corki than the average opponent.
After normalising both champions win rates Karthus wins against Corki 0.98% more often than would be expected.
The average opponent winrate against Corki is 48.44%.
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Samira
the Desert Rose
Karthus wins against Samira 53.37% of the time which is 4.85% higher against Samira than the average opponent.
After normalising both champions win rates Karthus wins against Samira 1.52% more often than would be expected.
The average opponent winrate against Samira is 48.52%.
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Aphelios
the Weapon of the Faithful
Karthus wins against Aphelios 53.41% of the time which is 4.01% higher against Aphelios than the average opponent.
After normalising both champions win rates Karthus wins against Aphelios 0.68% more often than would be expected.
The average opponent winrate against Aphelios is 49.40%.
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Xayah
the Rebel
Karthus wins against Xayah 54.42% of the time which is 6.49% higher against Xayah than the average opponent.
After normalising both champions win rates Karthus wins against Xayah 3.16% more often than would be expected.
The average opponent winrate against Xayah is 47.93%.
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Kai'Sa
Daughter of the Void
Karthus wins against Kai'Sa 54.90% of the time which is 4.64% higher against Kai'Sa than the average opponent.
After normalising both champions win rates Karthus wins against Kai'Sa 1.31% more often than would be expected.
The average opponent winrate against Kai'Sa is 50.26%.
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Swain
the Noxian Grand General
Karthus wins against Swain 63.22% of the time which is 16.56% higher against Swain than the average opponent.
After normalising both champions win rates Karthus wins against Swain 13.23% more often than would be expected.
The average opponent winrate against Swain is 46.66%.