

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.
All Ranks Champions Analysed: 194,320,340
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 support vs support Counters
Karthus support on Patch 30 is the strongest counter to support champions of Swain, Maokai & Rakan. While Karthus support is countered most by support champions of Sona, Soraka & Senna. Below is a detailed breakdown of Karthus support counters against support champions with a minimum of 100 games.


Sona
a Mestra das Cordas
Karthus wins against Sona 38.10% of the time which is 10.13% lower against Sona than the average opponent.
After normalising both champions win rates Karthus wins against Sona 6.00% less often than would be expected.
The average opponent winrate against Sona is 48.23%.


Soraka
a Filha das Estrelas
Karthus wins against Soraka 38.43% of the time which is 10.17% lower against Soraka than the average opponent.
After normalising both champions win rates Karthus wins against Soraka 6.03% less often than would be expected.
The average opponent winrate against Soraka is 48.60%.


Senna
A Redentora
Karthus wins against Senna 40.16% of the time which is 9.95% lower against Senna than the average opponent.
After normalising both champions win rates Karthus wins against Senna 5.80% less often than would be expected.
The average opponent winrate against Senna is 50.11%.


Milio
A Chama Gentil
Karthus wins against Milio 41.10% of the time which is 7.07% lower against Milio than the average opponent.
After normalising both champions win rates Karthus wins against Milio 2.94% less often than would be expected.
The average opponent winrate against Milio is 48.17%.


Rell
a Dama de Ferro
Karthus wins against Rell 41.78% of the time which is 7.82% lower against Rell than the average opponent.
After normalising both champions win rates Karthus wins against Rell 3.67% less often than would be expected.
The average opponent winrate against Rell is 49.60%.


Yuumi
a Gata Mágica
Karthus wins against Yuumi 42.32% of the time which is 7.71% lower against Yuumi than the average opponent.
After normalising both champions win rates Karthus wins against Yuumi 3.56% less often than would be expected.
The average opponent winrate against Yuumi is 50.03%.


Janna
a Fúria da Tormenta
Karthus wins against Janna 42.45% of the time which is 6.07% lower against Janna than the average opponent.
After normalising both champions win rates Karthus wins against Janna 1.93% less often than would be expected.
The average opponent winrate against Janna is 48.52%.


Lulu
a Fada Feiticeira
Karthus wins against Lulu 42.51% of the time which is 6.58% lower against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 2.44% less often than would be expected.
The average opponent winrate against Lulu is 49.09%.


Nami
a Conjuradora das Marés
Karthus wins against Nami 42.71% of the time which is 5.27% lower against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 1.14% less often than would be expected.
The average opponent winrate against Nami is 47.98%.


Karma
a Iluminada
Karthus wins against Karma 42.81% of the time which is 7.40% lower against Karma than the average opponent.
After normalising both champions win rates Karthus wins against Karma 3.25% less often than would be expected.
The average opponent winrate against Karma is 50.21%.


Seraphine
a Cantora Sonhadora
Karthus wins against Seraphine 42.90% of the time which is 7.44% lower against Seraphine than the average opponent.
After normalising both champions win rates Karthus wins against Seraphine 3.29% less often than would be expected.
The average opponent winrate against Seraphine is 50.34%.


Brand
a Vingança Flamejante
Karthus wins against Brand 43.06% of the time which is 5.92% lower against Brand than the average opponent.
After normalising both champions win rates Karthus wins against Brand 1.78% less often than would be expected.
The average opponent winrate against Brand is 48.98%.


Vel'Koz
o Olho do Vazio
Karthus wins against Vel'Koz 43.67% of the time which is 4.76% lower against Vel'Koz than the average opponent.
After normalising both champions win rates Karthus wins against Vel'Koz 0.62% less often than would be expected.
The average opponent winrate against Vel'Koz is 48.43%.


Malphite
o Fragmento do Monolito
Karthus wins against Malphite 44.04% of the time which is 7.63% lower against Malphite than the average opponent.
After normalising both champions win rates Karthus wins against Malphite 3.47% less often than would be expected.
The average opponent winrate against Malphite is 51.67%.


Alistar
o Minotauro
Karthus wins against Alistar 44.20% of the time which is 6.01% lower against Alistar than the average opponent.
After normalising both champions win rates Karthus wins against Alistar 1.86% less often than would be expected.
The average opponent winrate against Alistar is 50.21%.


Xerath
o Mago Ascendente
Karthus wins against Xerath 44.70% of the time which is 4.59% lower against Xerath than the average opponent.
After normalising both champions win rates Karthus wins against Xerath 0.45% less often than would be expected.
The average opponent winrate against Xerath is 49.29%.


Morgana
a Caída
Karthus wins against Morgana 45.37% of the time which is 3.70% lower against Morgana than the average opponent.
After normalising both champions win rates Karthus wins against Morgana 0.44% more often than would be expected.
The average opponent winrate against Morgana is 49.07%.


Lux
a Dama da Luz
Karthus wins against Lux 45.41% of the time which is 4.54% lower against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 0.39% less often than would be expected.
The average opponent winrate against Lux is 49.95%.


Thresh
o Guardião das Correntes
Karthus wins against Thresh 45.70% of the time which is 3.72% lower against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 0.43% more often than would be expected.
The average opponent winrate against Thresh is 49.42%.


Blitzcrank
o Grande Golem a Vapor
Karthus wins against Blitzcrank 45.93% of the time which is 5.48% lower against Blitzcrank than the average opponent.
After normalising both champions win rates Karthus wins against Blitzcrank 1.32% less often than would be expected.
The average opponent winrate against Blitzcrank is 51.41%.


Neeko
a Camaleoa Curiosa
Karthus wins against Neeko 46.31% of the time which is 4.52% lower against Neeko than the average opponent.
After normalising both champions win rates Karthus wins against Neeko 0.37% less often than would be expected.
The average opponent winrate against Neeko is 50.83%.


Leona
a Alvorada Radiante
Karthus wins against Leona 46.82% of the time which is 3.29% lower against Leona than the average opponent.
After normalising both champions win rates Karthus wins against Leona 0.86% more often than would be expected.
The average opponent winrate against Leona is 50.11%.


Tahm Kench
o Rei do Rio
Karthus wins against Tahm Kench 47.03% of the time which is 3.11% lower against Tahm Kench than the average opponent.
After normalising both champions win rates Karthus wins against Tahm Kench 1.04% more often than would be expected.
The average opponent winrate against Tahm Kench is 50.14%.


Braum
o Coração de Freljord
Karthus wins against Braum 47.29% of the time which is 1.18% lower against Braum than the average opponent.
After normalising both champions win rates Karthus wins against Braum 2.96% more often than would be expected.
The average opponent winrate against Braum is 48.47%.


Zyra
a Ascensão dos Espinhos
Karthus wins against Zyra 47.76% of the time which is 0.39% lower against Zyra than the average opponent.
After normalising both champions win rates Karthus wins against Zyra 3.74% more often than would be expected.
The average opponent winrate against Zyra is 48.15%.


Teemo
o Explorador Veloz
Karthus wins against Teemo 47.86% of the time which is 0.17% higher against Teemo than the average opponent.
After normalising both champions win rates Karthus wins against Teemo 4.30% more often than would be expected.
The average opponent winrate against Teemo is 47.69%.


Nautilus
o Titã das Profundezas
Karthus wins against Nautilus 49.41% of the time which is 1.25% lower against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 2.90% more often than would be expected.
The average opponent winrate against Nautilus is 50.66%.


Pyke
o Estripador das Águas Sangrentas
Karthus wins against Pyke 50.63% of the time which is 1.15% lower against Pyke than the average opponent.
After normalising both champions win rates Karthus wins against Pyke 3.01% more often than would be expected.
The average opponent winrate against Pyke is 51.78%.


Pantheon
a Lança Indestrutível
Karthus wins against Pantheon 50.74% of the time which is 0.65% higher against Pantheon than the average opponent.
After normalising both champions win rates Karthus wins against Pantheon 4.80% more often than would be expected.
The average opponent winrate against Pantheon is 50.09%.


Mel
o Reflexo da Alma
Karthus wins against Mel 50.86% of the time which is 3.27% lower against Mel than the average opponent.
After normalising both champions win rates Karthus wins against Mel 0.88% more often than would be expected.
The average opponent winrate against Mel is 54.13%.


Rakan
O Charmoso
Karthus wins against Rakan 52.17% of the time which is 1.59% higher against Rakan than the average opponent.
After normalising both champions win rates Karthus wins against Rakan 5.74% more often than would be expected.
The average opponent winrate against Rakan is 50.58%.


Maokai
o Ente Sinistro
Karthus wins against Maokai 53.23% of the time which is 4.40% higher against Maokai than the average opponent.
After normalising both champions win rates Karthus wins against Maokai 8.54% more often than would be expected.
The average opponent winrate against Maokai is 48.83%.


Swain
o Grande General Noxiano
Karthus wins against Swain 54.33% of the time which is 4.80% higher against Swain than the average opponent.
After normalising both champions win rates Karthus wins against Swain 8.95% more often than would be expected.
The average opponent winrate against Swain is 49.53%.