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: 100,337,121
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 14.1 is the strongest counter to support champions of Swain, Hwei & Morgana. While Karthus top is countered most by support champions of Sona, Bard & Braum. Below is a detailed breakdown of Karthus top counters against support champions with a minimum of 100 games.
Sona
Maven of the Strings
Karthus wins against Sona 37.29% of the time which is 10.80% lower against Sona than the average opponent.
After normalising both champions win rates Karthus wins against Sona 8.01% less often than would be expected.
The average opponent winrate against Sonais 48.09%.
Bard
the Wandering Caretaker
Karthus wins against Bard 39.22% of the time which is 7.68% lower against Bard than the average opponent.
After normalising both champions win rates Karthus wins against Bard 4.91% less often than would be expected.
The average opponent winrate against Bardis 46.90%.
Braum
the Heart of the Freljord
Karthus wins against Braum 40.00% of the time which is 7.79% lower against Braum than the average opponent.
After normalising both champions win rates Karthus wins against Braum 5.01% less often than would be expected.
The average opponent winrate against Braumis 47.79%.
Milio
The Gentle Flame
Karthus wins against Milio 40.50% of the time which is 8.64% lower against Milio than the average opponent.
After normalising both champions win rates Karthus wins against Milio 5.84% less often than would be expected.
The average opponent winrate against Miliois 49.14%.
Zyra
Rise of the Thorns
Karthus wins against Zyra 40.77% of the time which is 6.20% lower against Zyra than the average opponent.
After normalising both champions win rates Karthus wins against Zyra 3.43% less often than would be expected.
The average opponent winrate against Zyrais 46.97%.
Ashe
the Frost Archer
Karthus wins against Ashe 42.11% of the time which is 9.99% lower against Ashe than the average opponent.
After normalising both champions win rates Karthus wins against Ashe 7.19% less often than would be expected.
The average opponent winrate against Asheis 52.10%.
Seraphine
the Starry-Eyed Songstress
Karthus wins against Seraphine 42.18% of the time which is 9.43% lower against Seraphine than the average opponent.
After normalising both champions win rates Karthus wins against Seraphine 6.63% less often than would be expected.
The average opponent winrate against Seraphineis 51.61%.
Janna
the Storm's Fury
Karthus wins against Janna 42.86% of the time which is 4.79% lower against Janna than the average opponent.
After normalising both champions win rates Karthus wins against Janna 2.01% less often than would be expected.
The average opponent winrate against Jannais 47.65%.
Lulu
the Fae Sorceress
Karthus wins against Lulu 43.71% of the time which is 8.26% lower against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 5.46% less often than would be expected.
The average opponent winrate against Luluis 51.97%.
Soraka
the Starchild
Karthus wins against Soraka 43.86% of the time which is 5.32% lower against Soraka than the average opponent.
After normalising both champions win rates Karthus wins against Soraka 2.52% less often than would be expected.
The average opponent winrate against Sorakais 49.18%.
Maokai
the Twisted Treant
Karthus wins against Maokai 44.38% of the time which is 1.23% lower against Maokai than the average opponent.
After normalising both champions win rates Karthus wins against Maokai 1.53% more often than would be expected.
The average opponent winrate against Maokaiis 45.61%.
Teemo
the Swift Scout
Karthus wins against Teemo 44.52% of the time which is 0.49% lower against Teemo than the average opponent.
After normalising both champions win rates Karthus wins against Teemo 2.26% more often than would be expected.
The average opponent winrate against Teemois 45.01%.
Alistar
the Minotaur
Karthus wins against Alistar 45.41% of the time which is 4.23% lower against Alistar than the average opponent.
After normalising both champions win rates Karthus wins against Alistar 1.43% less often than would be expected.
The average opponent winrate against Alistaris 49.64%.
Neeko
the Curious Chameleon
Karthus wins against Neeko 45.45% of the time which is 3.86% lower against Neeko than the average opponent.
After normalising both champions win rates Karthus wins against Neeko 1.06% less often than would be expected.
The average opponent winrate against Neekois 49.31%.
Yuumi
the Magical Cat
Karthus wins against Yuumi 45.59% of the time which is 6.18% lower against Yuumi than the average opponent.
After normalising both champions win rates Karthus wins against Yuumi 3.38% less often than would be expected.
The average opponent winrate against Yuumiis 51.77%.
Lux
the Lady of Luminosity
Karthus wins against Lux 45.68% of the time which is 4.90% lower against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 2.10% less often than would be expected.
The average opponent winrate against Luxis 50.58%.
Pantheon
the Unbreakable Spear
Karthus wins against Pantheon 45.77% of the time which is 3.51% lower against Pantheon than the average opponent.
After normalising both champions win rates Karthus wins against Pantheon 0.71% less often than would be expected.
The average opponent winrate against Pantheonis 49.28%.
Blitzcrank
the Great Steam Golem
Karthus wins against Blitzcrank 45.89% of the time which is 1.01% lower 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 46.90%.
Brand
the Burning Vengeance
Karthus wins against Brand 47.01% of the time which is 2.98% lower against Brand than the average opponent.
After normalising both champions win rates Karthus wins against Brand 0.18% less often than would be expected.
The average opponent winrate against Brandis 49.99%.
Rakan
The Charmer
Karthus wins against Rakan 47.12% of the time which is 0.54% lower against Rakan than the average opponent.
After normalising both champions win rates Karthus wins against Rakan 2.24% more often than would be expected.
The average opponent winrate against Rakanis 47.66%.
Nautilus
the Titan of the Depths
Karthus wins against Nautilus 47.40% of the time which is 2.86% lower against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 0.06% less often than would be expected.
The average opponent winrate against Nautilusis 50.26%.
Vel'Koz
the Eye of the Void
Karthus wins against Vel'Koz 47.75% of the time which is 1.50% lower against Vel'Koz than the average opponent.
After normalising both champions win rates Karthus wins against Vel'Koz 1.30% more often than would be expected.
The average opponent winrate against Vel'Kozis 49.25%.
Nami
the Tidecaller
Karthus wins against Nami 48.06% of the time which is 2.10% lower against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 0.70% more often than would be expected.
The average opponent winrate against Namiis 50.16%.
Karma
the Enlightened One
Karthus wins against Karma 48.13% of the time which is 4.68% lower against Karma than the average opponent.
After normalising both champions win rates Karthus wins against Karma 1.88% less often than would be expected.
The average opponent winrate against Karmais 52.81%.
Xerath
the Magus Ascendant
Karthus wins against Xerath 48.38% of the time which is 0.49% lower against Xerath than the average opponent.
After normalising both champions win rates Karthus wins against Xerath 2.30% more often than would be expected.
The average opponent winrate against Xerathis 48.87%.
Leona
the Radiant Dawn
Karthus wins against Leona 48.66% of the time which is 1.18% higher against Leona than the average opponent.
After normalising both champions win rates Karthus wins against Leona 3.96% more often than would be expected.
The average opponent winrate against Leonais 47.48%.
Pyke
the Bloodharbor Ripper
Karthus wins against Pyke 49.24% of the time which is 1.01% lower against Pyke than the average opponent.
After normalising both champions win rates Karthus wins against Pyke 1.79% more often than would be expected.
The average opponent winrate against Pykeis 50.25%.
Senna
the Redeemer
Karthus wins against Senna 49.37% of the time which is 0.28% higher against Senna than the average opponent.
After normalising both champions win rates Karthus wins against Senna 3.07% more often than would be expected.
The average opponent winrate against Sennais 49.09%.
Rell
the Iron Maiden
Karthus wins against Rell 50.61% of the time which is 1.07% higher against Rell than the average opponent.
After normalising both champions win rates Karthus wins against Rell 3.87% more often than would be expected.
The average opponent winrate against Rellis 49.54%.
Thresh
the Chain Warden
Karthus wins against Thresh 50.65% of the time which is 0.68% higher against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 3.48% more often than would be expected.
The average opponent winrate against Threshis 49.97%.
Morgana
the Fallen
Karthus wins against Morgana 50.77% of the time which is 2.95% higher against Morgana than the average opponent.
After normalising both champions win rates Karthus wins against Morgana 5.73% more often than would be expected.
The average opponent winrate against Morganais 47.82%.
Hwei
the Visionary
Karthus wins against Hwei 55.75% of the time which is 0.04% lower against Hwei than the average opponent.
After normalising both champions win rates Karthus wins against Hwei 2.74% more often than would be expected.
The average opponent winrate against Hweiis 55.79%.
Swain
the Noxian Grand General
Karthus wins against Swain 56.91% of the time which is 6.45% higher against Swain than the average opponent.
After normalising both champions win rates Karthus wins against Swain 9.25% more often than would be expected.
The average opponent winrate against Swainis 50.46%.