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: 27,782,282
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 middle vs middle Counters
Karthus middle on Patch 14.6 is the strongest counter to middle champions of Veigar, Azir & Katarina. While Karthus middle is countered most by middle champions of Taliyah, Fizz & Sylas. Below is a detailed breakdown of Karthus middle counters against middle champions with a minimum of 100 games.
Taliyah
the Stoneweaver
Karthus wins against Taliyah 40.15% of the time which is 7.33% lower against Taliyah than the average opponent.
After normalising both champions win rates Karthus wins against Taliyah 11.17% less often than would be expected.
The average opponent winrate against Taliyahis 47.48%.
Fizz
the Tidal Trickster
Karthus wins against Fizz 42.06% of the time which is 5.82% lower against Fizz than the average opponent.
After normalising both champions win rates Karthus wins against Fizz 9.66% less often than would be expected.
The average opponent winrate against Fizzis 47.88%.
Sylas
the Unshackled
Karthus wins against Sylas 48.80% of the time which is 0.92% higher against Sylas than the average opponent.
After normalising both champions win rates Karthus wins against Sylas 2.92% less often than would be expected.
The average opponent winrate against Sylasis 47.88%.
Lux
the Lady of Luminosity
Karthus wins against Lux 49.30% of the time which is 1.46% higher against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 2.38% less often than would be expected.
The average opponent winrate against Luxis 47.84%.
Karma
the Enlightened One
Karthus wins against Karma 49.62% of the time which is 0.27% higher against Karma than the average opponent.
After normalising both champions win rates Karthus wins against Karma 3.57% less often than would be expected.
The average opponent winrate against Karmais 49.35%.
Aurelion Sol
The Star Forger
Karthus wins against Aurelion Sol 49.73% of the time which is 3.33% higher against Aurelion Sol than the average opponent.
After normalising both champions win rates Karthus wins against Aurelion Sol 0.51% less often than would be expected.
The average opponent winrate against Aurelion Solis 46.40%.
Ahri
the Nine-Tailed Fox
Karthus wins against Ahri 50.61% of the time which is 4.11% higher against Ahri than the average opponent.
After normalising both champions win rates Karthus wins against Ahri 0.27% more often than would be expected.
The average opponent winrate against Ahriis 46.50%.
Twisted Fate
the Card Master
Karthus wins against Twisted Fate 51.13% of the time which is 3.93% higher against Twisted Fate than the average opponent.
After normalising both champions win rates Karthus wins against Twisted Fate 0.09% more often than would be expected.
The average opponent winrate against Twisted Fateis 47.20%.
Hwei
the Visionary
Karthus wins against Hwei 51.28% of the time which is 1.59% higher against Hwei than the average opponent.
After normalising both champions win rates Karthus wins against Hwei 2.25% less often than would be expected.
The average opponent winrate against Hweiis 49.69%.
Kassadin
the Void Walker
Karthus wins against Kassadin 51.43% of the time which is 4.59% higher against Kassadin than the average opponent.
After normalising both champions win rates Karthus wins against Kassadin 0.75% more often than would be expected.
The average opponent winrate against Kassadinis 46.84%.
Yasuo
the Unforgiven
Karthus wins against Yasuo 51.56% of the time which is 2.52% higher against Yasuo than the average opponent.
After normalising both champions win rates Karthus wins against Yasuo 1.32% less often than would be expected.
The average opponent winrate against Yasuois 49.04%.
Yone
the Unforgotten
Karthus wins against Yone 51.56% of the time which is 2.39% higher against Yone than the average opponent.
After normalising both champions win rates Karthus wins against Yone 1.45% less often than would be expected.
The average opponent winrate against Yoneis 49.17%.
Akali
the Rogue Assassin
Karthus wins against Akali 52.86% of the time which is 4.30% higher against Akali than the average opponent.
After normalising both champions win rates Karthus wins against Akali 0.46% more often than would be expected.
The average opponent winrate against Akaliis 48.56%.
Syndra
the Dark Sovereign
Karthus wins against Syndra 52.94% of the time which is 4.03% higher against Syndra than the average opponent.
After normalising both champions win rates Karthus wins against Syndra 0.19% more often than would be expected.
The average opponent winrate against Syndrais 48.91%.
Orianna
the Lady of Clockwork
Karthus wins against Orianna 53.70% of the time which is 3.51% higher against Orianna than the average opponent.
After normalising both champions win rates Karthus wins against Orianna 0.33% less often than would be expected.
The average opponent winrate against Oriannais 50.19%.
Zed
the Master of Shadows
Karthus wins against Zed 54.10% of the time which is 5.64% higher against Zed than the average opponent.
After normalising both champions win rates Karthus wins against Zed 1.80% more often than would be expected.
The average opponent winrate against Zedis 48.46%.
LeBlanc
the Deceiver
Karthus wins against LeBlanc 55.45% of the time which is 4.78% higher against LeBlanc than the average opponent.
After normalising both champions win rates Karthus wins against LeBlanc 0.94% more often than would be expected.
The average opponent winrate against LeBlancis 50.67%.
Katarina
the Sinister Blade
Karthus wins against Katarina 55.87% of the time which is 8.16% higher against Katarina than the average opponent.
After normalising both champions win rates Karthus wins against Katarina 4.32% more often than would be expected.
The average opponent winrate against Katarinais 47.71%.
Azir
the Emperor of the Sands
Karthus wins against Azir 56.07% of the time which is 5.84% higher against Azir than the average opponent.
After normalising both champions win rates Karthus wins against Azir 2.00% more often than would be expected.
The average opponent winrate against Aziris 50.23%.
Veigar
the Tiny Master of Evil
Karthus wins against Veigar 58.71% of the time which is 11.90% higher against Veigar than the average opponent.
After normalising both champions win rates Karthus wins against Veigar 8.06% more often than would be expected.
The average opponent winrate against Veigaris 46.81%.