

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: 104,100,404
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 Alistar, Leona & Pyke. While Karthus support is countered most by support champions of Lulu, Soraka & Milio. Below is a detailed breakdown of Karthus support counters against support champions with a minimum of 100 games.


Lulu
die Zauberin der Fae
Karthus wins against Lulu 34.03% of the time which is 14.65% lower against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 11.40% less often than would be expected.
The average opponent winrate against Lulu is 48.68%.


Soraka
das Sternenkind
Karthus wins against Soraka 35.88% of the time which is 11.84% lower against Soraka than the average opponent.
After normalising both champions win rates Karthus wins against Soraka 8.60% less often than would be expected.
The average opponent winrate against Soraka is 47.72%.


Milio
Die schützende Flamme
Karthus wins against Milio 40.29% of the time which is 6.78% lower against Milio than the average opponent.
After normalising both champions win rates Karthus wins against Milio 3.55% less often than would be expected.
The average opponent winrate against Milio is 47.07%.


Karma
die Erleuchtete
Karthus wins against Karma 41.26% of the time which is 8.85% lower against Karma than the average opponent.
After normalising both champions win rates Karthus wins against Karma 5.59% less often than would be expected.
The average opponent winrate against Karma is 50.11%.


Nami
die Gezeitenruferin
Karthus wins against Nami 42.15% of the time which is 5.33% lower against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 2.10% less often than would be expected.
The average opponent winrate against Nami is 47.48%.


Braum
das Herz Freljords
Karthus wins against Braum 43.94% of the time which is 3.60% lower against Braum than the average opponent.
After normalising both champions win rates Karthus wins against Braum 0.36% less often than would be expected.
The average opponent winrate against Braum is 47.54%.


Senna
die Erlöserin
Karthus wins against Senna 46.97% of the time which is 3.79% lower against Senna than the average opponent.
After normalising both champions win rates Karthus wins against Senna 0.53% less often than would be expected.
The average opponent winrate against Senna is 50.76%.


Blitzcrank
der große Dampfgolem
Karthus wins against Blitzcrank 48.62% of the time which is 1.24% lower against Blitzcrank than the average opponent.
After normalising both champions win rates Karthus wins against Blitzcrank 2.02% more often than would be expected.
The average opponent winrate against Blitzcrank is 49.86%.


Morgana
die Gefallene
Karthus wins against Morgana 48.72% of the time which is 0.47% higher against Morgana than the average opponent.
After normalising both champions win rates Karthus wins against Morgana 3.71% more often than would be expected.
The average opponent winrate against Morgana is 48.25%.


Yuumi
die magische Katze
Karthus wins against Yuumi 49.29% of the time which is 0.91% lower against Yuumi than the average opponent.
After normalising both champions win rates Karthus wins against Yuumi 2.35% more often than would be expected.
The average opponent winrate against Yuumi is 50.20%.


Nautilus
der Titan der Tiefen
Karthus wins against Nautilus 50.00% of the time which is 0.04% lower against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 3.22% more often than would be expected.
The average opponent winrate against Nautilus is 50.04%.


Thresh
der Kettenwächter
Karthus wins against Thresh 50.58% of the time which is 1.78% higher against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 5.03% more often than would be expected.
The average opponent winrate against Thresh is 48.80%.


Lux
die Lady des Lichts
Karthus wins against Lux 50.66% of the time which is 0.78% higher against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 4.04% more often than would be expected.
The average opponent winrate against Lux is 49.88%.


Pyke
der Schlitzer vom Bluthafen
Karthus wins against Pyke 52.94% of the time which is 2.57% higher against Pyke than the average opponent.
After normalising both champions win rates Karthus wins against Pyke 5.83% more often than would be expected.
The average opponent winrate against Pyke is 50.37%.


Leona
der strahlende Sonnenaufgang
Karthus wins against Leona 54.67% of the time which is 6.46% higher against Leona than the average opponent.
After normalising both champions win rates Karthus wins against Leona 9.70% more often than would be expected.
The average opponent winrate against Leona is 48.21%.


Alistar
der Minotaurus
Karthus wins against Alistar 55.66% of the time which is 6.19% higher against Alistar than the average opponent.
After normalising both champions win rates Karthus wins against Alistar 9.45% more often than would be expected.
The average opponent winrate against Alistar is 49.47%.