

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: 85,670,260
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 14 is the strongest counter to support champions of Senna, Pyke & Seraphine. While Karthus support is countered most by support champions of Milio, Brand & Soraka. Below is a detailed breakdown of Karthus support counters against support champions with a minimum of 100 games.


Milio
A Chama Gentil
Karthus wins against Milio 29.37% of the time which is 17.88% lower against Milio than the average opponent.
After normalising both champions win rates Karthus wins against Milio 14.55% less often than would be expected.
The average opponent winrate against Milio is 47.25%.


Brand
a Vingança Flamejante
Karthus wins against Brand 36.19% of the time which is 12.23% lower against Brand than the average opponent.
After normalising both champions win rates Karthus wins against Brand 8.89% less often than would be expected.
The average opponent winrate against Brand is 48.42%.


Soraka
a Filha das Estrelas
Karthus wins against Soraka 36.55% of the time which is 11.71% lower against Soraka than the average opponent.
After normalising both champions win rates Karthus wins against Soraka 8.37% less often than would be expected.
The average opponent winrate against Soraka is 48.26%.


Karma
a Iluminada
Karthus wins against Karma 42.66% of the time which is 7.30% lower against Karma than the average opponent.
After normalising both champions win rates Karthus wins against Karma 3.95% less often than would be expected.
The average opponent winrate against Karma is 49.96%.


Thresh
o Guardião das Correntes
Karthus wins against Thresh 43.39% of the time which is 6.35% lower against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 3.00% less often than would be expected.
The average opponent winrate against Thresh is 49.74%.


Mel
o Reflexo da Alma
Karthus wins against Mel 44.53% of the time which is 8.55% lower against Mel than the average opponent.
After normalising both champions win rates Karthus wins against Mel 5.20% less often than would be expected.
The average opponent winrate against Mel is 53.08%.


Zyra
a Ascensão dos Espinhos
Karthus wins against Zyra 44.60% of the time which is 3.43% lower against Zyra than the average opponent.
After normalising both champions win rates Karthus wins against Zyra 0.09% less often than would be expected.
The average opponent winrate against Zyra is 48.03%.


Nami
a Conjuradora das Marés
Karthus wins against Nami 44.94% of the time which is 2.85% lower against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 0.48% more often than would be expected.
The average opponent winrate against Nami is 47.79%.


Leona
a Alvorada Radiante
Karthus wins against Leona 45.26% of the time which is 3.62% lower against Leona than the average opponent.
After normalising both champions win rates Karthus wins against Leona 0.28% less often than would be expected.
The average opponent winrate against Leona is 48.88%.


Yuumi
a Gata Mágica
Karthus wins against Yuumi 45.32% of the time which is 6.47% lower against Yuumi than the average opponent.
After normalising both champions win rates Karthus wins against Yuumi 3.12% less often than would be expected.
The average opponent winrate against Yuumi is 51.79%.


Nautilus
o Titã das Profundezas
Karthus wins against Nautilus 45.83% of the time which is 4.92% lower against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 1.57% less often than would be expected.
The average opponent winrate against Nautilus is 50.75%.


Blitzcrank
o Grande Golem a Vapor
Karthus wins against Blitzcrank 46.67% of the time which is 3.85% lower against Blitzcrank than the average opponent.
After normalising both champions win rates Karthus wins against Blitzcrank 0.50% less often than would be expected.
The average opponent winrate against Blitzcrank is 50.52%.


Lux
a Dama da Luz
Karthus wins against Lux 47.11% of the time which is 2.89% lower against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 0.46% more often than would be expected.
The average opponent winrate against Lux is 50.00%.


Lulu
a Fada Feiticeira
Karthus wins against Lulu 48.04% of the time which is 1.66% lower against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 1.69% more often than would be expected.
The average opponent winrate against Lulu is 49.70%.


Morgana
a Caída
Karthus wins against Morgana 49.58% of the time which is 0.85% higher against Morgana than the average opponent.
After normalising both champions win rates Karthus wins against Morgana 4.19% more often than would be expected.
The average opponent winrate against Morgana is 48.73%.


Swain
o Grande General Noxiano
Karthus wins against Swain 50.00% of the time which is 0.47% lower against Swain than the average opponent.
After normalising both champions win rates Karthus wins against Swain 2.88% more often than would be expected.
The average opponent winrate against Swain is 50.47%.


Seraphine
a Cantora Sonhadora
Karthus wins against Seraphine 53.06% of the time which is 2.14% higher against Seraphine than the average opponent.
After normalising both champions win rates Karthus wins against Seraphine 5.49% more often than would be expected.
The average opponent winrate against Seraphine is 50.92%.


Pyke
o Estripador das Águas Sangrentas
Karthus wins against Pyke 55.63% of the time which is 4.39% higher against Pyke than the average opponent.
After normalising both champions win rates Karthus wins against Pyke 7.74% more often than would be expected.
The average opponent winrate against Pyke is 51.24%.


Senna
A Redentora
Karthus wins against Senna 57.63% of the time which is 5.89% higher against Senna than the average opponent.
After normalising both champions win rates Karthus wins against Senna 9.24% more often than would be expected.
The average opponent winrate against Senna is 51.74%.