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: 22,692,448
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 14.18 is the strongest counter to support champions of Lux, Blitzcrank & Nautilus. While Karthus middle is countered most by support champions of Senna, Leona & Lulu. Below is a detailed breakdown of Karthus middle counters against support champions with a minimum of 100 games.
Senna
Rédemptrice
Karthus wins against Senna 43.59% of the time which is 3.01% lower against Senna than the average opponent.
After normalising both champions win rates Karthus wins against Senna 5.03% less often than would be expected.
The average opponent winrate against Sennais 46.60%.
Leona
Aube radieuse
Karthus wins against Leona 45.53% of the time which is 3.17% lower against Leona than the average opponent.
After normalising both champions win rates Karthus wins against Leona 5.19% less often than would be expected.
The average opponent winrate against Leonais 48.70%.
Lulu
Sorcière féérique
Karthus wins against Lulu 46.83% of the time which is 0.54% lower against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 2.56% less often than would be expected.
The average opponent winrate against Luluis 47.37%.
Nami
Aquamancienne
Karthus wins against Nami 46.89% of the time which is 0.04% lower against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 2.06% less often than would be expected.
The average opponent winrate against Namiis 46.93%.
Milio
Douce flamme
Karthus wins against Milio 48.00% of the time which is 0.13% lower against Milio than the average opponent.
After normalising both champions win rates Karthus wins against Milio 2.15% less often than would be expected.
The average opponent winrate against Miliois 48.13%.
Pyke
Éventreur des abysses
Karthus wins against Pyke 48.62% of the time which is 0.65% higher against Pyke than the average opponent.
After normalising both champions win rates Karthus wins against Pyke 1.37% less often than would be expected.
The average opponent winrate against Pykeis 47.97%.
Karma
Sagesse incarnée
Karthus wins against Karma 49.60% of the time which is 0.75% higher against Karma than the average opponent.
After normalising both champions win rates Karthus wins against Karma 1.27% less often than would be expected.
The average opponent winrate against Karmais 48.85%.
Thresh
Garde aux chaînes
Karthus wins against Thresh 51.21% of the time which is 2.47% higher against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 0.45% more often than would be expected.
The average opponent winrate against Threshis 48.74%.
Nautilus
Titan des profondeurs
Karthus wins against Nautilus 51.28% of the time which is 0.85% higher against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 1.17% less often than would be expected.
The average opponent winrate against Nautilusis 50.43%.
Blitzcrank
Golem de vapeur
Karthus wins against Blitzcrank 52.88% of the time which is 3.78% higher against Blitzcrank than the average opponent.
After normalising both champions win rates Karthus wins against Blitzcrank 1.76% more often than would be expected.
The average opponent winrate against Blitzcrankis 49.10%.
Lux
Dame de lumière
Karthus wins against Lux 58.97% of the time which is 10.10% higher against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 8.08% more often than would be expected.
The average opponent winrate against Luxis 48.87%.