

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: 30,421,101
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 Leona, Alistar & Braum. While Karthus middle is countered most by support champions of Janna, Yuumi & Sona. Below is a detailed breakdown of Karthus middle counters against support champions with a minimum of 100 games.


Janna
Avatar de l'air
Karthus wins against Janna 35.92% of the time which is 11.74% lower against Janna than the average opponent.
After normalising both champions win rates Karthus wins against Janna 11.63% less often than would be expected.
The average opponent winrate against Janna is 47.66%.


Yuumi
Gardienne du Grimoire
Karthus wins against Yuumi 42.72% of the time which is 8.23% lower against Yuumi than the average opponent.
After normalising both champions win rates Karthus wins against Yuumi 8.12% less often than would be expected.
The average opponent winrate against Yuumi is 50.95%.


Sona
Virtuose de la harpe
Karthus wins against Sona 44.92% of the time which is 2.22% lower against Sona than the average opponent.
After normalising both champions win rates Karthus wins against Sona 2.11% less often than would be expected.
The average opponent winrate against Sona is 47.14%.


Karma
Sagesse incarnée
Karthus wins against Karma 45.67% of the time which is 3.41% lower against Karma than the average opponent.
After normalising both champions win rates Karthus wins against Karma 3.30% less often than would be expected.
The average opponent winrate against Karma is 49.08%.


Lulu
Sorcière féérique
Karthus wins against Lulu 46.81% of the time which is 1.94% lower against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 1.83% less often than would be expected.
The average opponent winrate against Lulu is 48.75%.


Soraka
Enfant des étoiles
Karthus wins against Soraka 47.10% of the time which is 0.55% lower against Soraka than the average opponent.
After normalising both champions win rates Karthus wins against Soraka 0.44% less often than would be expected.
The average opponent winrate against Soraka is 47.65%.


Milio
Douce flamme
Karthus wins against Milio 47.52% of the time which is 0.27% higher against Milio than the average opponent.
After normalising both champions win rates Karthus wins against Milio 0.38% more often than would be expected.
The average opponent winrate against Milio is 47.25%.


Nautilus
Titan des profondeurs
Karthus wins against Nautilus 47.73% of the time which is 2.20% lower against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 2.09% less often than would be expected.
The average opponent winrate against Nautilus is 49.93%.


Thresh
Garde aux chaînes
Karthus wins against Thresh 48.00% of the time which is 0.30% lower against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 0.19% less often than would be expected.
The average opponent winrate against Thresh is 48.30%.


Rakan
Charmeur
Karthus wins against Rakan 48.65% of the time which is 0.84% lower against Rakan than the average opponent.
After normalising both champions win rates Karthus wins against Rakan 0.73% less often than would be expected.
The average opponent winrate against Rakan is 49.49%.


Pyke
Éventreur des abysses
Karthus wins against Pyke 50.00% of the time which is 0.71% higher against Pyke than the average opponent.
After normalising both champions win rates Karthus wins against Pyke 0.82% more often than would be expected.
The average opponent winrate against Pyke is 49.29%.


Blitzcrank
Golem de vapeur
Karthus wins against Blitzcrank 50.00% of the time which is 0.91% higher against Blitzcrank than the average opponent.
After normalising both champions win rates Karthus wins against Blitzcrank 1.02% more often than would be expected.
The average opponent winrate against Blitzcrank is 49.09%.


Bard
Gardien errant
Karthus wins against Bard 50.30% of the time which is 1.81% higher against Bard than the average opponent.
After normalising both champions win rates Karthus wins against Bard 1.92% more often than would be expected.
The average opponent winrate against Bard is 48.49%.


Nami
Aquamancienne
Karthus wins against Nami 50.88% of the time which is 3.45% higher against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 3.56% more often than would be expected.
The average opponent winrate against Nami is 47.43%.


Braum
Cœur de Freljord
Karthus wins against Braum 51.24% of the time which is 2.77% higher against Braum than the average opponent.
After normalising both champions win rates Karthus wins against Braum 2.88% more often than would be expected.
The average opponent winrate against Braum is 48.47%.


Alistar
Minotaure
Karthus wins against Alistar 54.33% of the time which is 4.66% higher against Alistar than the average opponent.
After normalising both champions win rates Karthus wins against Alistar 4.77% more often than would be expected.
The average opponent winrate against Alistar is 49.67%.


Leona
Aube radieuse
Karthus wins against Leona 57.81% of the time which is 9.83% higher against Leona than the average opponent.
After normalising both champions win rates Karthus wins against Leona 9.94% more often than would be expected.
The average opponent winrate against Leona is 47.98%.