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: 38,145,345
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 support Counters
Karthus middle on Patch 30 is the strongest counter to support champions of Rell, Karma & Nautilus. While Karthus middle is countered most by support champions of Senna, Soraka & Lulu. Below is a detailed breakdown of Karthus middle counters against support champions with a minimum of 100 games.
Senna
A Redentora
Karthus wins against Senna 42.58% of the time which is 4.47% lower against Senna than the average opponent.
After normalising both champions win rates Karthus wins against Senna 6.05% less often than would be expected.
The average opponent winrate against Sennais 47.05%.
Soraka
a Filha das Estrelas
Karthus wins against Soraka 43.94% of the time which is 3.15% lower against Soraka than the average opponent.
After normalising both champions win rates Karthus wins against Soraka 4.73% less often than would be expected.
The average opponent winrate against Sorakais 47.09%.
Lulu
a Fada Feiticeira
Karthus wins against Lulu 45.86% of the time which is 1.42% lower against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 3.00% less often than would be expected.
The average opponent winrate against Luluis 47.28%.
Nami
a Conjuradora das Marés
Karthus wins against Nami 46.63% of the time which is 0.38% lower against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 1.96% less often than would be expected.
The average opponent winrate against Namiis 47.01%.
Milio
A Chama Gentil
Karthus wins against Milio 47.01% of the time which is 0.70% lower against Milio than the average opponent.
After normalising both champions win rates Karthus wins against Milio 2.28% less often than would be expected.
The average opponent winrate against Miliois 47.71%.
Leona
a Alvorada Radiante
Karthus wins against Leona 47.62% of the time which is 0.85% lower against Leona than the average opponent.
After normalising both champions win rates Karthus wins against Leona 2.43% less often than would be expected.
The average opponent winrate against Leonais 48.47%.
Seraphine
a Cantora Sonhadora
Karthus wins against Seraphine 49.53% of the time which is 1.35% higher against Seraphine than the average opponent.
After normalising both champions win rates Karthus wins against Seraphine 0.23% less often than would be expected.
The average opponent winrate against Seraphineis 48.18%.
Thresh
o Guardião das Correntes
Karthus wins against Thresh 50.67% of the time which is 2.60% higher against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 1.02% more often than would be expected.
The average opponent winrate against Threshis 48.07%.
Pyke
o Estripador das Águas Sangrentas
Karthus wins against Pyke 50.83% of the time which is 2.06% higher against Pyke than the average opponent.
After normalising both champions win rates Karthus wins against Pyke 0.48% more often than would be expected.
The average opponent winrate against Pykeis 48.77%.
Blitzcrank
o Grande Golem a Vapor
Karthus wins against Blitzcrank 51.49% of the time which is 2.47% higher against Blitzcrank than the average opponent.
After normalising both champions win rates Karthus wins against Blitzcrank 0.89% more often than would be expected.
The average opponent winrate against Blitzcrankis 49.02%.
Lux
a Dama da Luz
Karthus wins against Lux 51.63% of the time which is 3.45% higher against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 1.87% more often than would be expected.
The average opponent winrate against Luxis 48.18%.
Braum
o Coração de Freljord
Karthus wins against Braum 51.72% of the time which is 4.57% higher against Braum than the average opponent.
After normalising both champions win rates Karthus wins against Braum 2.99% more often than would be expected.
The average opponent winrate against Braumis 47.15%.
Rakan
O Charmoso
Karthus wins against Rakan 52.74% of the time which is 3.89% higher against Rakan than the average opponent.
After normalising both champions win rates Karthus wins against Rakan 2.31% more often than would be expected.
The average opponent winrate against Rakanis 48.85%.
Janna
a Fúria da Tormenta
Karthus wins against Janna 53.15% of the time which is 6.38% higher against Janna than the average opponent.
After normalising both champions win rates Karthus wins against Janna 4.80% more often than would be expected.
The average opponent winrate against Jannais 46.77%.
Nautilus
o Titã das Profundezas
Karthus wins against Nautilus 54.39% of the time which is 4.69% higher against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 3.11% more often than would be expected.
The average opponent winrate against Nautilusis 49.70%.
Karma
a Iluminada
Karthus wins against Karma 55.72% of the time which is 7.97% higher against Karma than the average opponent.
After normalising both champions win rates Karthus wins against Karma 6.39% more often than would be expected.
The average opponent winrate against Karmais 47.75%.
Rell
a Dama de Ferro
Karthus wins against Rell 59.03% of the time which is 10.50% higher against Rell than the average opponent.
After normalising both champions win rates Karthus wins against Rell 8.92% more often than would be expected.
The average opponent winrate against Rellis 48.53%.