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: 18,610,734
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 14.22 is the strongest counter to support champions of Leona, Xerath & Renata Glasc. While Karthus bottom is countered most by support champions of Tahm Kench, Yuumi & Poppy. Below is a detailed breakdown of Karthus bottom counters against support champions with a minimum of 100 games.
Tahm Kench
o Rei do Rio
Karthus wins against Tahm Kench 45.83% of the time which is 0.12% higher against Tahm Kench than the average opponent.
After normalising both champions win rates Karthus wins against Tahm Kench 7.57% less often than would be expected.
The average opponent winrate against Tahm Kenchis 45.71%.
Yuumi
a Gata Mágica
Karthus wins against Yuumi 48.59% of the time which is 1.47% lower against Yuumi than the average opponent.
After normalising both champions win rates Karthus wins against Yuumi 9.15% less often than would be expected.
The average opponent winrate against Yuumiis 50.06%.
Poppy
a Guardiã do Martelo
Karthus wins against Poppy 48.62% of the time which is 2.60% higher against Poppy than the average opponent.
After normalising both champions win rates Karthus wins against Poppy 5.10% less often than would be expected.
The average opponent winrate against Poppyis 46.02%.
Nami
a Conjuradora das Marés
Karthus wins against Nami 51.61% of the time which is 4.38% higher against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 3.32% less often than would be expected.
The average opponent winrate against Namiis 47.23%.
Lulu
a Fada Feiticeira
Karthus wins against Lulu 51.69% of the time which is 4.38% higher against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 3.32% less often than would be expected.
The average opponent winrate against Luluis 47.31%.
Bardo
o Protetor Andarilho
Karthus wins against Bardo 51.70% of the time which is 3.83% higher against Bardo than the average opponent.
After normalising both champions win rates Karthus wins against Bardo 3.87% less often than would be expected.
The average opponent winrate against Bardois 47.87%.
Janna
a Fúria da Tormenta
Karthus wins against Janna 51.96% of the time which is 5.15% higher against Janna than the average opponent.
After normalising both champions win rates Karthus wins against Janna 2.55% less often than would be expected.
The average opponent winrate against Jannais 46.81%.
Soraka
a Filha das Estrelas
Karthus wins against Soraka 52.23% of the time which is 5.12% higher against Soraka than the average opponent.
After normalising both champions win rates Karthus wins against Soraka 2.58% less often than would be expected.
The average opponent winrate against Sorakais 47.11%.
Senna
A Redentora
Karthus wins against Senna 52.54% of the time which is 5.47% higher against Senna than the average opponent.
After normalising both champions win rates Karthus wins against Senna 2.23% less often than would be expected.
The average opponent winrate against Sennais 47.07%.
Vel'Koz
o Olho do Vazio
Karthus wins against Vel'Koz 52.94% of the time which is 6.61% higher against Vel'Koz than the average opponent.
After normalising both champions win rates Karthus wins against Vel'Koz 1.09% less often than would be expected.
The average opponent winrate against Vel'Kozis 46.33%.
Rakan
O Charmoso
Karthus wins against Rakan 53.69% of the time which is 4.82% higher against Rakan than the average opponent.
After normalising both champions win rates Karthus wins against Rakan 2.87% less often than would be expected.
The average opponent winrate against Rakanis 48.87%.
Karma
a Iluminada
Karthus wins against Karma 53.78% of the time which is 5.99% higher against Karma than the average opponent.
After normalising both champions win rates Karthus wins against Karma 1.71% less often than would be expected.
The average opponent winrate against Karmais 47.79%.
Sona
a Mestra das Cordas
Karthus wins against Sona 53.85% of the time which is 6.90% higher against Sona than the average opponent.
After normalising both champions win rates Karthus wins against Sona 0.80% less often than would be expected.
The average opponent winrate against Sonais 46.95%.
Morgana
a Caída
Karthus wins against Morgana 53.98% of the time which is 6.33% higher against Morgana than the average opponent.
After normalising both champions win rates Karthus wins against Morgana 1.37% less often than would be expected.
The average opponent winrate against Morganais 47.65%.
Alistar
o Minotauro
Karthus wins against Alistar 54.27% of the time which is 4.81% higher against Alistar than the average opponent.
After normalising both champions win rates Karthus wins against Alistar 2.88% less often than would be expected.
The average opponent winrate against Alistaris 49.46%.
Zyra
a Ascensão dos Espinhos
Karthus wins against Zyra 54.92% of the time which is 7.89% higher against Zyra than the average opponent.
After normalising both champions win rates Karthus wins against Zyra 0.19% more often than would be expected.
The average opponent winrate against Zyrais 47.03%.
Zilean
o Guardião do Tempo
Karthus wins against Zilean 55.26% of the time which is 7.49% higher against Zilean than the average opponent.
After normalising both champions win rates Karthus wins against Zilean 0.21% less often than would be expected.
The average opponent winrate against Zileanis 47.77%.
Braum
o Coração de Freljord
Karthus wins against Braum 56.42% of the time which is 9.12% higher against Braum than the average opponent.
After normalising both champions win rates Karthus wins against Braum 1.42% more often than would be expected.
The average opponent winrate against Braumis 47.30%.
Milio
A Chama Gentil
Karthus wins against Milio 56.43% of the time which is 8.64% higher against Milio than the average opponent.
After normalising both champions win rates Karthus wins against Milio 0.94% more often than would be expected.
The average opponent winrate against Miliois 47.79%.
Lux
a Dama da Luz
Karthus wins against Lux 56.60% of the time which is 8.46% higher against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 0.76% more often than would be expected.
The average opponent winrate against Luxis 48.14%.
Nautilus
o Titã das Profundezas
Karthus wins against Nautilus 56.71% of the time which is 7.13% higher against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 0.56% less often than would be expected.
The average opponent winrate against Nautilusis 49.58%.
Seraphine
a Cantora Sonhadora
Karthus wins against Seraphine 57.51% of the time which is 9.21% higher against Seraphine than the average opponent.
After normalising both champions win rates Karthus wins against Seraphine 1.51% more often than would be expected.
The average opponent winrate against Seraphineis 48.30%.
Pyke
o Estripador das Águas Sangrentas
Karthus wins against Pyke 57.51% of the time which is 8.88% higher against Pyke than the average opponent.
After normalising both champions win rates Karthus wins against Pyke 1.19% more often than would be expected.
The average opponent winrate against Pykeis 48.63%.
Rell
a Dama de Ferro
Karthus wins against Rell 58.54% of the time which is 10.08% higher against Rell than the average opponent.
After normalising both champions win rates Karthus wins against Rell 2.38% more often than would be expected.
The average opponent winrate against Rellis 48.46%.
Blitzcrank
o Grande Golem a Vapor
Karthus wins against Blitzcrank 59.80% of the time which is 11.24% higher against Blitzcrank than the average opponent.
After normalising both champions win rates Karthus wins against Blitzcrank 3.55% more often than would be expected.
The average opponent winrate against Blitzcrankis 48.56%.
Thresh
o Guardião das Correntes
Karthus wins against Thresh 61.54% of the time which is 13.42% higher against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 5.72% more often than would be expected.
The average opponent winrate against Threshis 48.12%.
Swain
o Grande General Noxiano
Karthus wins against Swain 62.16% of the time which is 12.27% higher against Swain than the average opponent.
After normalising both champions win rates Karthus wins against Swain 4.59% more often than would be expected.
The average opponent winrate against Swainis 49.89%.
Renata Glasc
a Baronesa da Química
Karthus wins against Renata Glasc 62.25% of the time which is 13.14% higher against Renata Glasc than the average opponent.
After normalising both champions win rates Karthus wins against Renata Glasc 5.45% more often than would be expected.
The average opponent winrate against Renata Glascis 49.11%.
Xerath
o Mago Ascendente
Karthus wins against Xerath 62.38% of the time which is 14.81% higher against Xerath than the average opponent.
After normalising both champions win rates Karthus wins against Xerath 7.11% more often than would be expected.
The average opponent winrate against Xerathis 47.57%.
Leona
a Alvorada Radiante
Karthus wins against Leona 63.10% of the time which is 14.54% higher against Leona than the average opponent.
After normalising both champions win rates Karthus wins against Leona 6.85% more often than would be expected.
The average opponent winrate against Leonais 48.56%.