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: 29,486,424
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 bottom vs middle Counters
Karthus bottom on Patch 14.5 is the strongest counter to middle champions of Yasuo, Diana & Naafiri. While Karthus bottom is countered most by middle champions of Cassiopeia, Akshan & Anivia. Below is a detailed breakdown of Karthus bottom counters against middle champions with a minimum of 100 games.
Cassiopeia
the Serpent's Embrace
Karthus wins against Cassiopeia 42.50% of the time which is 3.87% lower against Cassiopeia than the average opponent.
After normalising both champions win rates Karthus wins against Cassiopeia 10.64% less often than would be expected.
The average opponent winrate against Cassiopeiais 46.37%.
Akshan
the Rogue Sentinel
Karthus wins against Akshan 45.11% of the time which is 1.17% lower against Akshan than the average opponent.
After normalising both champions win rates Karthus wins against Akshan 7.94% less often than would be expected.
The average opponent winrate against Akshanis 46.28%.
Anivia
the Cryophoenix
Karthus wins against Anivia 46.67% of the time which is 0.98% higher against Anivia than the average opponent.
After normalising both champions win rates Karthus wins against Anivia 5.78% less often than would be expected.
The average opponent winrate against Aniviais 45.69%.
Karma
the Enlightened One
Karthus wins against Karma 48.93% of the time which is 3.17% higher against Karma than the average opponent.
After normalising both champions win rates Karthus wins against Karma 3.59% less often than would be expected.
The average opponent winrate against Karmais 45.76%.
Ahri
the Nine-Tailed Fox
Karthus wins against Ahri 49.87% of the time which is 3.60% higher against Ahri than the average opponent.
After normalising both champions win rates Karthus wins against Ahri 3.17% less often than would be expected.
The average opponent winrate against Ahriis 46.27%.
Smolder
the Fiery Fledgling
Karthus wins against Smolder 50.00% of the time which is 0.21% higher against Smolder than the average opponent.
After normalising both champions win rates Karthus wins against Smolder 6.55% less often than would be expected.
The average opponent winrate against Smolderis 49.79%.
Ekko
the Boy Who Shattered Time
Karthus wins against Ekko 50.26% of the time which is 3.13% higher against Ekko than the average opponent.
After normalising both champions win rates Karthus wins against Ekko 3.64% less often than would be expected.
The average opponent winrate against Ekkois 47.13%.
Talon
the Blade's Shadow
Karthus wins against Talon 50.41% of the time which is 3.03% higher against Talon than the average opponent.
After normalising both champions win rates Karthus wins against Talon 3.74% less often than would be expected.
The average opponent winrate against Talonis 47.38%.
Gragas
the Rabble Rouser
Karthus wins against Gragas 50.45% of the time which is 4.40% higher against Gragas than the average opponent.
After normalising both champions win rates Karthus wins against Gragas 2.36% less often than would be expected.
The average opponent winrate against Gragasis 46.05%.
Irelia
the Blade Dancer
Karthus wins against Irelia 50.94% of the time which is 3.09% higher against Irelia than the average opponent.
After normalising both champions win rates Karthus wins against Irelia 3.68% less often than would be expected.
The average opponent winrate against Ireliais 47.85%.
Galio
the Colossus
Karthus wins against Galio 51.41% of the time which is 3.45% higher against Galio than the average opponent.
After normalising both champions win rates Karthus wins against Galio 3.32% less often than would be expected.
The average opponent winrate against Galiois 47.96%.
Yone
the Unforgotten
Karthus wins against Yone 51.46% of the time which is 2.08% higher against Yone than the average opponent.
After normalising both champions win rates Karthus wins against Yone 4.68% less often than would be expected.
The average opponent winrate against Yoneis 49.38%.
Orianna
the Lady of Clockwork
Karthus wins against Orianna 51.67% of the time which is 1.46% higher against Orianna than the average opponent.
After normalising both champions win rates Karthus wins against Orianna 5.30% less often than would be expected.
The average opponent winrate against Oriannais 50.21%.
Malzahar
the Prophet of the Void
Karthus wins against Malzahar 52.17% of the time which is 3.17% higher against Malzahar than the average opponent.
After normalising both champions win rates Karthus wins against Malzahar 3.60% less often than would be expected.
The average opponent winrate against Malzaharis 49.00%.
Twisted Fate
the Card Master
Karthus wins against Twisted Fate 52.91% of the time which is 5.06% higher against Twisted Fate than the average opponent.
After normalising both champions win rates Karthus wins against Twisted Fate 1.71% less often than would be expected.
The average opponent winrate against Twisted Fateis 47.85%.
Viktor
the Machine Herald
Karthus wins against Viktor 53.10% of the time which is 4.96% higher against Viktor than the average opponent.
After normalising both champions win rates Karthus wins against Viktor 1.81% less often than would be expected.
The average opponent winrate against Viktoris 48.14%.
Syndra
the Dark Sovereign
Karthus wins against Syndra 53.30% of the time which is 4.60% higher against Syndra than the average opponent.
After normalising both champions win rates Karthus wins against Syndra 2.17% less often than would be expected.
The average opponent winrate against Syndrais 48.70%.
Taliyah
the Stoneweaver
Karthus wins against Taliyah 53.90% of the time which is 7.41% higher against Taliyah than the average opponent.
After normalising both champions win rates Karthus wins against Taliyah 0.64% more often than would be expected.
The average opponent winrate against Taliyahis 46.49%.
Fizz
the Tidal Trickster
Karthus wins against Fizz 54.00% of the time which is 6.53% higher against Fizz than the average opponent.
After normalising both champions win rates Karthus wins against Fizz 0.24% less often than would be expected.
The average opponent winrate against Fizzis 47.47%.
Veigar
the Tiny Master of Evil
Karthus wins against Veigar 54.15% of the time which is 7.22% higher against Veigar than the average opponent.
After normalising both champions win rates Karthus wins against Veigar 0.45% more often than would be expected.
The average opponent winrate against Veigaris 46.93%.
Vex
the Gloomist
Karthus wins against Vex 54.35% of the time which is 7.80% higher against Vex than the average opponent.
After normalising both champions win rates Karthus wins against Vex 1.03% more often than would be expected.
The average opponent winrate against Vexis 46.55%.
Lissandra
the Ice Witch
Karthus wins against Lissandra 54.42% of the time which is 5.88% higher against Lissandra than the average opponent.
After normalising both champions win rates Karthus wins against Lissandra 0.89% less often than would be expected.
The average opponent winrate against Lissandrais 48.54%.
Vladimir
the Crimson Reaper
Karthus wins against Vladimir 54.55% of the time which is 6.73% higher against Vladimir than the average opponent.
After normalising both champions win rates Karthus wins against Vladimir 0.04% less often than would be expected.
The average opponent winrate against Vladimiris 47.82%.
Katarina
the Sinister Blade
Karthus wins against Katarina 55.27% of the time which is 7.66% higher against Katarina than the average opponent.
After normalising both champions win rates Karthus wins against Katarina 0.89% more often than would be expected.
The average opponent winrate against Katarinais 47.61%.
Xerath
the Magus Ascendant
Karthus wins against Xerath 55.47% of the time which is 7.46% higher against Xerath than the average opponent.
After normalising both champions win rates Karthus wins against Xerath 0.69% more often than would be expected.
The average opponent winrate against Xerathis 48.01%.
Aurelion Sol
The Star Forger
Karthus wins against Aurelion Sol 55.84% of the time which is 9.75% higher against Aurelion Sol than the average opponent.
After normalising both champions win rates Karthus wins against Aurelion Sol 2.98% more often than would be expected.
The average opponent winrate against Aurelion Solis 46.09%.
Annie
the Dark Child
Karthus wins against Annie 55.93% of the time which is 9.68% higher against Annie than the average opponent.
After normalising both champions win rates Karthus wins against Annie 2.91% more often than would be expected.
The average opponent winrate against Annieis 46.25%.
Tristana
the Yordle Gunner
Karthus wins against Tristana 56.25% of the time which is 8.42% higher against Tristana than the average opponent.
After normalising both champions win rates Karthus wins against Tristana 1.65% more often than would be expected.
The average opponent winrate against Tristanais 47.83%.
Hwei
the Visionary
Karthus wins against Hwei 56.33% of the time which is 6.09% higher against Hwei than the average opponent.
After normalising both champions win rates Karthus wins against Hwei 0.67% less often than would be expected.
The average opponent winrate against Hweiis 50.24%.
Kassadin
the Void Walker
Karthus wins against Kassadin 56.66% of the time which is 10.08% higher against Kassadin than the average opponent.
After normalising both champions win rates Karthus wins against Kassadin 3.31% more often than would be expected.
The average opponent winrate against Kassadinis 46.58%.
Sylas
the Unshackled
Karthus wins against Sylas 56.75% of the time which is 9.30% higher against Sylas than the average opponent.
After normalising both champions win rates Karthus wins against Sylas 2.53% more often than would be expected.
The average opponent winrate against Sylasis 47.45%.
Akali
the Rogue Assassin
Karthus wins against Akali 57.05% of the time which is 8.36% higher against Akali than the average opponent.
After normalising both champions win rates Karthus wins against Akali 1.59% more often than would be expected.
The average opponent winrate against Akaliis 48.69%.
Azir
the Emperor of the Sands
Karthus wins against Azir 57.26% of the time which is 7.93% higher against Azir than the average opponent.
After normalising both champions win rates Karthus wins against Azir 1.17% more often than would be expected.
The average opponent winrate against Aziris 49.33%.
Lux
the Lady of Luminosity
Karthus wins against Lux 57.75% of the time which is 10.18% higher against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 3.41% more often than would be expected.
The average opponent winrate against Luxis 47.57%.
LeBlanc
the Deceiver
Karthus wins against LeBlanc 59.89% of the time which is 9.29% higher against LeBlanc than the average opponent.
After normalising both champions win rates Karthus wins against LeBlanc 2.54% more often than would be expected.
The average opponent winrate against LeBlancis 50.60%.
Qiyana
Empress of the Elements
Karthus wins against Qiyana 60.34% of the time which is 13.16% higher against Qiyana than the average opponent.
After normalising both champions win rates Karthus wins against Qiyana 6.39% more often than would be expected.
The average opponent winrate against Qiyanais 47.18%.
Zed
the Master of Shadows
Karthus wins against Zed 62.36% of the time which is 14.06% higher against Zed than the average opponent.
After normalising both champions win rates Karthus wins against Zed 7.29% more often than would be expected.
The average opponent winrate against Zedis 48.30%.
Naafiri
the Hound of a Hundred Bites
Karthus wins against Naafiri 62.50% of the time which is 16.42% higher against Naafiri than the average opponent.
After normalising both champions win rates Karthus wins against Naafiri 9.66% more often than would be expected.
The average opponent winrate against Naafiriis 46.08%.
Diana
Scorn of the Moon
Karthus wins against Diana 64.38% of the time which is 17.58% higher against Diana than the average opponent.
After normalising both champions win rates Karthus wins against Diana 10.81% more often than would be expected.
The average opponent winrate against Dianais 46.80%.
Yasuo
the Unforgiven
Karthus wins against Yasuo 64.62% of the time which is 15.42% higher against Yasuo than the average opponent.
After normalising both champions win rates Karthus wins against Yasuo 8.65% more often than would be expected.
The average opponent winrate against Yasuois 49.20%.