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: 12,172,746
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 support Counters
Karthus bottom on Patch 7 is the strongest counter to support champions of Nautilus, Rell & Pyke. While Karthus bottom is countered most by support champions of Yuumi, Senna & Janna. Below is a detailed breakdown of Karthus bottom counters against support champions with a minimum of 100 games.
Yuumi
a Gata Mágica
Karthus wins against Yuumi 39.69% of the time which is 10.58% lower against Yuumi than the average opponent.
After normalising both champions win rates Karthus wins against Yuumi 16.46% less often than would be expected.
The average opponent winrate against Yuumiis 50.27%.
Senna
A Redentora
Karthus wins against Senna 46.88% of the time which is 0.19% higher against Senna than the average opponent.
After normalising both champions win rates Karthus wins against Senna 5.70% less often than would be expected.
The average opponent winrate against Sennais 46.69%.
Janna
a Fúria da Tormenta
Karthus wins against Janna 47.86% of the time which is 0.87% higher against Janna than the average opponent.
After normalising both champions win rates Karthus wins against Janna 5.02% less often than would be expected.
The average opponent winrate against Jannais 46.99%.
Poppy
a Guardiã do Martelo
Karthus wins against Poppy 48.34% of the time which is 2.03% higher against Poppy than the average opponent.
After normalising both champions win rates Karthus wins against Poppy 3.86% less often than would be expected.
The average opponent winrate against Poppyis 46.31%.
Lulu
a Fada Feiticeira
Karthus wins against Lulu 51.61% of the time which is 3.70% higher against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 2.19% less often than would be expected.
The average opponent winrate against Luluis 47.91%.
Bardo
o Protetor Andarilho
Karthus wins against Bardo 51.63% of the time which is 2.64% higher against Bardo than the average opponent.
After normalising both champions win rates Karthus wins against Bardo 3.25% less often than would be expected.
The average opponent winrate against Bardois 48.99%.
Nami
a Conjuradora das Marés
Karthus wins against Nami 52.10% of the time which is 5.34% higher against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 0.55% less often than would be expected.
The average opponent winrate against Namiis 46.76%.
Rakan
O Charmoso
Karthus wins against Rakan 52.12% of the time which is 2.67% higher against Rakan than the average opponent.
After normalising both champions win rates Karthus wins against Rakan 3.21% less often than would be expected.
The average opponent winrate against Rakanis 49.45%.
Soraka
a Filha das Estrelas
Karthus wins against Soraka 53.07% of the time which is 5.39% higher against Soraka than the average opponent.
After normalising both champions win rates Karthus wins against Soraka 0.50% less often than would be expected.
The average opponent winrate against Sorakais 47.68%.
Thresh
o Guardião das Correntes
Karthus wins against Thresh 55.04% of the time which is 6.22% higher against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 0.33% more often than would be expected.
The average opponent winrate against Threshis 48.82%.
Karma
a Iluminada
Karthus wins against Karma 55.74% of the time which is 6.93% higher against Karma than the average opponent.
After normalising both champions win rates Karthus wins against Karma 1.04% more often than would be expected.
The average opponent winrate against Karmais 48.81%.
Milio
A Chama Gentil
Karthus wins against Milio 56.42% of the time which is 8.03% higher against Milio than the average opponent.
After normalising both champions win rates Karthus wins against Milio 2.14% more often than would be expected.
The average opponent winrate against Miliois 48.39%.
Braum
o Coração de Freljord
Karthus wins against Braum 56.92% of the time which is 8.14% higher against Braum than the average opponent.
After normalising both champions win rates Karthus wins against Braum 2.25% more often than would be expected.
The average opponent winrate against Braumis 48.78%.
Leona
a Alvorada Radiante
Karthus wins against Leona 57.25% of the time which is 8.56% higher against Leona than the average opponent.
After normalising both champions win rates Karthus wins against Leona 2.67% more often than would be expected.
The average opponent winrate against Leonais 48.69%.
Seraphine
a Cantora Sonhadora
Karthus wins against Seraphine 57.93% of the time which is 8.83% higher against Seraphine than the average opponent.
After normalising both champions win rates Karthus wins against Seraphine 2.94% more often than would be expected.
The average opponent winrate against Seraphineis 49.10%.
Blitzcrank
o Grande Golem a Vapor
Karthus wins against Blitzcrank 58.28% of the time which is 9.11% higher against Blitzcrank than the average opponent.
After normalising both champions win rates Karthus wins against Blitzcrank 3.22% more often than would be expected.
The average opponent winrate against Blitzcrankis 49.17%.
Alistar
o Minotauro
Karthus wins against Alistar 59.75% of the time which is 10.07% higher against Alistar than the average opponent.
After normalising both champions win rates Karthus wins against Alistar 4.19% more often than would be expected.
The average opponent winrate against Alistaris 49.68%.
Lux
a Dama da Luz
Karthus wins against Lux 60.00% of the time which is 10.66% higher against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 4.78% more often than would be expected.
The average opponent winrate against Luxis 49.34%.
Pyke
o Estripador das Águas Sangrentas
Karthus wins against Pyke 60.75% of the time which is 12.85% higher against Pyke than the average opponent.
After normalising both champions win rates Karthus wins against Pyke 6.96% more often than would be expected.
The average opponent winrate against Pykeis 47.90%.
Rell
a Dama de Ferro
Karthus wins against Rell 61.46% of the time which is 12.64% higher against Rell than the average opponent.
After normalising both champions win rates Karthus wins against Rell 6.75% more often than would be expected.
The average opponent winrate against Rellis 48.82%.
Nautilus
o Titã das Profundezas
Karthus wins against Nautilus 62.59% of the time which is 11.96% higher against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 6.09% more often than would be expected.
The average opponent winrate against Nautilusis 50.63%.