

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.
Gold+ Champions Analysed: 99,206,597
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 Pyke, Blitzcrank & Leona. While Karthus support is countered most by support champions of Milio, Nami & Karma. Below is a detailed breakdown of Karthus support counters against support champions with a minimum of 100 games.


Milio
La Flama Gentil
Karthus wins against Milio 36.51% of the time which is 10.74% lower against Milio than the average opponent.
After normalising both champions win rates Karthus wins against Milio 6.52% less often than would be expected.
The average opponent winrate against Milio is 47.25%.


Nami
la Invocadora de Mareas
Karthus wins against Nami 39.33% of the time which is 8.38% lower against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 4.15% less often than would be expected.
The average opponent winrate against Nami is 47.71%.


Karma
la Iluminada
Karthus wins against Karma 40.85% of the time which is 8.96% lower against Karma than the average opponent.
After normalising both champions win rates Karthus wins against Karma 4.70% less often than would be expected.
The average opponent winrate against Karma is 49.81%.


Yuumi
la gatita mágica
Karthus wins against Yuumi 42.02% of the time which is 8.85% lower against Yuumi than the average opponent.
After normalising both champions win rates Karthus wins against Yuumi 4.58% less often than would be expected.
The average opponent winrate against Yuumi is 50.87%.


Thresh
el Carcelero Implacable
Karthus wins against Thresh 42.04% of the time which is 7.30% lower against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 3.05% less often than would be expected.
The average opponent winrate against Thresh is 49.34%.


Soraka
la Hija de las Estrellas
Karthus wins against Soraka 42.11% of the time which is 5.85% lower against Soraka than the average opponent.
After normalising both champions win rates Karthus wins against Soraka 1.61% less often than would be expected.
The average opponent winrate against Soraka is 47.96%.


Nautilus
el Titán de las Profundidades
Karthus wins against Nautilus 42.24% of the time which is 8.26% lower against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 4.00% less often than would be expected.
The average opponent winrate against Nautilus is 50.50%.


Lulu
La Hechicera Hadística
Karthus wins against Lulu 44.49% of the time which is 4.37% lower against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 0.12% less often than would be expected.
The average opponent winrate against Lulu is 48.86%.


Lux
la Dama Luminosa
Karthus wins against Lux 45.40% of the time which is 4.70% lower against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 0.44% less often than would be expected.
The average opponent winrate against Lux is 50.10%.


Leona
el Radiante Amanecer
Karthus wins against Leona 45.90% of the time which is 2.81% lower against Leona than the average opponent.
After normalising both champions win rates Karthus wins against Leona 1.44% more often than would be expected.
The average opponent winrate against Leona is 48.71%.


Blitzcrank
el Gran Gólem de Vapor
Karthus wins against Blitzcrank 52.14% of the time which is 2.12% higher against Blitzcrank than the average opponent.
After normalising both champions win rates Karthus wins against Blitzcrank 6.38% more often than would be expected.
The average opponent winrate against Blitzcrank is 50.02%.


Pyke
el Destripador del Muelle Rojo
Karthus wins against Pyke 57.36% of the time which is 6.87% higher against Pyke than the average opponent.
After normalising both champions win rates Karthus wins against Pyke 11.13% more often than would be expected.
The average opponent winrate against Pyke is 50.49%.