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: 66,048,697
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 top vs support Counters
Karthus top on Patch 14.6 is the strongest counter to support champions of Nami, Thresh & Karma. While Karthus top is countered most by support champions of Yuumi, Lulu & Blitzcrank. Below is a detailed breakdown of Karthus top counters against support champions with a minimum of 100 games.
Yuumi
the Magical Cat
Karthus wins against Yuumi 41.54% of the time which is 8.58% lower against Yuumi than the average opponent.
After normalising both champions win rates Karthus wins against Yuumi 9.69% less often than would be expected.
The average opponent winrate against Yuumiis 50.12%.
Lulu
the Fae Sorceress
Karthus wins against Lulu 43.19% of the time which is 5.86% lower against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 6.97% less often than would be expected.
The average opponent winrate against Luluis 49.05%.
Blitzcrank
the Great Steam Golem
Karthus wins against Blitzcrank 43.88% of the time which is 4.10% lower against Blitzcrank than the average opponent.
After normalising both champions win rates Karthus wins against Blitzcrank 5.21% less often than would be expected.
The average opponent winrate against Blitzcrankis 47.98%.
Pyke
the Bloodharbor Ripper
Karthus wins against Pyke 46.75% of the time which is 1.96% lower against Pyke than the average opponent.
After normalising both champions win rates Karthus wins against Pyke 3.07% less often than would be expected.
The average opponent winrate against Pykeis 48.71%.
Milio
The Gentle Flame
Karthus wins against Milio 48.28% of the time which is 0.26% lower against Milio than the average opponent.
After normalising both champions win rates Karthus wins against Milio 1.37% less often than would be expected.
The average opponent winrate against Miliois 48.54%.
Lux
the Lady of Luminosity
Karthus wins against Lux 49.14% of the time which is 0.27% higher against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 0.84% less often than would be expected.
The average opponent winrate against Luxis 48.87%.
Zyra
Rise of the Thorns
Karthus wins against Zyra 49.38% of the time which is 2.62% higher against Zyra than the average opponent.
After normalising both champions win rates Karthus wins against Zyra 1.51% more often than would be expected.
The average opponent winrate against Zyrais 46.76%.
Rakan
The Charmer
Karthus wins against Rakan 50.43% of the time which is 1.79% higher against Rakan than the average opponent.
After normalising both champions win rates Karthus wins against Rakan 0.68% more often than would be expected.
The average opponent winrate against Rakanis 48.64%.
Janna
the Storm's Fury
Karthus wins against Janna 50.54% of the time which is 3.78% higher against Janna than the average opponent.
After normalising both champions win rates Karthus wins against Janna 2.67% more often than would be expected.
The average opponent winrate against Jannais 46.76%.
Leona
the Radiant Dawn
Karthus wins against Leona 50.69% of the time which is 2.99% higher against Leona than the average opponent.
After normalising both champions win rates Karthus wins against Leona 1.88% more often than would be expected.
The average opponent winrate against Leonais 47.70%.
Morgana
the Fallen
Karthus wins against Morgana 51.20% of the time which is 2.89% higher against Morgana than the average opponent.
After normalising both champions win rates Karthus wins against Morgana 1.78% more often than would be expected.
The average opponent winrate against Morganais 48.31%.
Nautilus
the Titan of the Depths
Karthus wins against Nautilus 51.88% of the time which is 1.17% higher against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 0.06% more often than would be expected.
The average opponent winrate against Nautilusis 50.71%.
Brand
the Burning Vengeance
Karthus wins against Brand 51.89% of the time which is 4.63% higher against Brand than the average opponent.
After normalising both champions win rates Karthus wins against Brand 3.52% more often than would be expected.
The average opponent winrate against Brandis 47.26%.
Soraka
the Starchild
Karthus wins against Soraka 52.80% of the time which is 4.75% higher against Soraka than the average opponent.
After normalising both champions win rates Karthus wins against Soraka 3.64% more often than would be expected.
The average opponent winrate against Sorakais 48.05%.
Xerath
the Magus Ascendant
Karthus wins against Xerath 53.04% of the time which is 4.47% higher against Xerath than the average opponent.
After normalising both champions win rates Karthus wins against Xerath 3.36% more often than would be expected.
The average opponent winrate against Xerathis 48.57%.
Senna
the Redeemer
Karthus wins against Senna 53.05% of the time which is 2.66% higher against Senna than the average opponent.
After normalising both champions win rates Karthus wins against Senna 1.55% more often than would be expected.
The average opponent winrate against Sennais 50.39%.
Karma
the Enlightened One
Karthus wins against Karma 53.59% of the time which is 2.33% higher against Karma than the average opponent.
After normalising both champions win rates Karthus wins against Karma 1.22% more often than would be expected.
The average opponent winrate against Karmais 51.26%.
Thresh
the Chain Warden
Karthus wins against Thresh 53.64% of the time which is 4.29% higher against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 3.18% more often than would be expected.
The average opponent winrate against Threshis 49.35%.
Nami
the Tidecaller
Karthus wins against Nami 56.62% of the time which is 7.74% higher against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 6.63% more often than would be expected.
The average opponent winrate against Namiis 48.88%.