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.
Iron Champions Analysed: 9,617,527
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 jungle vs support Counters
Karthus jungle on Patch 14.20 is the strongest counter to support champions of Blitzcrank, Miss Fortune & Rakan. While Karthus jungle is countered most by support champions of Vel'Koz, Brand & Veigar. Below is a detailed breakdown of Karthus jungle counters against support champions with a minimum of 100 games.
Vel'Koz
the Eye of the Void
Karthus wins against Vel'Koz 39.08% of the time which is 12.46% lower against Vel'Koz than the average opponent.
After normalising both champions win rates Karthus wins against Vel'Koz 5.78% less often than would be expected.
The average opponent winrate against Vel'Kozis 51.54%.
Brand
the Burning Vengeance
Karthus wins against Brand 39.34% of the time which is 10.26% lower against Brand than the average opponent.
After normalising both champions win rates Karthus wins against Brand 3.58% less often than would be expected.
The average opponent winrate against Brandis 49.60%.
Veigar
the Tiny Master of Evil
Karthus wins against Veigar 39.53% of the time which is 13.59% lower against Veigar than the average opponent.
After normalising both champions win rates Karthus wins against Veigar 6.91% less often than would be expected.
The average opponent winrate against Veigaris 53.12%.
Sona
Maven of the Strings
Karthus wins against Sona 40.66% of the time which is 10.71% lower against Sona than the average opponent.
After normalising both champions win rates Karthus wins against Sona 4.03% less often than would be expected.
The average opponent winrate against Sonais 51.37%.
Xerath
the Magus Ascendant
Karthus wins against Xerath 41.23% of the time which is 10.53% lower against Xerath than the average opponent.
After normalising both champions win rates Karthus wins against Xerath 3.85% less often than would be expected.
The average opponent winrate against Xerathis 51.76%.
Soraka
the Starchild
Karthus wins against Soraka 41.27% of the time which is 11.70% lower against Soraka than the average opponent.
After normalising both champions win rates Karthus wins against Soraka 5.02% less often than would be expected.
The average opponent winrate against Sorakais 52.97%.
Maokai
the Twisted Treant
Karthus wins against Maokai 42.42% of the time which is 10.87% lower against Maokai than the average opponent.
After normalising both champions win rates Karthus wins against Maokai 4.19% less often than would be expected.
The average opponent winrate against Maokaiis 53.29%.
Teemo
the Swift Scout
Karthus wins against Teemo 42.65% of the time which is 7.11% lower against Teemo than the average opponent.
After normalising both champions win rates Karthus wins against Teemo 0.43% less often than would be expected.
The average opponent winrate against Teemois 49.76%.
Nami
the Tidecaller
Karthus wins against Nami 43.45% of the time which is 8.68% lower against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 2.00% less often than would be expected.
The average opponent winrate against Namiis 52.13%.
Braum
the Heart of the Freljord
Karthus wins against Braum 43.48% of the time which is 10.08% lower against Braum than the average opponent.
After normalising both champions win rates Karthus wins against Braum 3.40% less often than would be expected.
The average opponent winrate against Braumis 53.56%.
Lux
the Lady of Luminosity
Karthus wins against Lux 43.67% of the time which is 7.60% lower against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 0.92% less often than would be expected.
The average opponent winrate against Luxis 51.27%.
Senna
the Redeemer
Karthus wins against Senna 43.75% of the time which is 9.63% lower against Senna than the average opponent.
After normalising both champions win rates Karthus wins against Senna 2.95% less often than would be expected.
The average opponent winrate against Sennais 53.38%.
Swain
the Noxian Grand General
Karthus wins against Swain 43.97% of the time which is 6.46% lower against Swain than the average opponent.
After normalising both champions win rates Karthus wins against Swain 0.22% more often than would be expected.
The average opponent winrate against Swainis 50.43%.
Zyra
Rise of the Thorns
Karthus wins against Zyra 44.02% of the time which is 6.05% lower against Zyra than the average opponent.
After normalising both champions win rates Karthus wins against Zyra 0.63% more often than would be expected.
The average opponent winrate against Zyrais 50.07%.
Karma
the Enlightened One
Karthus wins against Karma 44.17% of the time which is 9.81% lower against Karma than the average opponent.
After normalising both champions win rates Karthus wins against Karma 3.13% less often than would be expected.
The average opponent winrate against Karmais 53.98%.
Shaco
the Demon Jester
Karthus wins against Shaco 45.79% of the time which is 5.37% lower against Shaco than the average opponent.
After normalising both champions win rates Karthus wins against Shaco 1.31% more often than would be expected.
The average opponent winrate against Shacois 51.16%.
Pantheon
the Unbreakable Spear
Karthus wins against Pantheon 45.97% of the time which is 7.39% 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 53.36%.
Seraphine
the Starry-Eyed Songstress
Karthus wins against Seraphine 46.57% of the time which is 6.14% lower against Seraphine than the average opponent.
After normalising both champions win rates Karthus wins against Seraphine 0.54% more often than would be expected.
The average opponent winrate against Seraphineis 52.71%.
Milio
The Gentle Flame
Karthus wins against Milio 46.72% of the time which is 5.06% lower against Milio than the average opponent.
After normalising both champions win rates Karthus wins against Milio 1.62% more often than would be expected.
The average opponent winrate against Miliois 51.78%.
Tahm Kench
The River King
Karthus wins against Tahm Kench 46.93% of the time which is 4.59% lower against Tahm Kench than the average opponent.
After normalising both champions win rates Karthus wins against Tahm Kench 2.09% more often than would be expected.
The average opponent winrate against Tahm Kenchis 51.52%.
Yuumi
the Magical Cat
Karthus wins against Yuumi 47.00% of the time which is 10.53% lower against Yuumi than the average opponent.
After normalising both champions win rates Karthus wins against Yuumi 3.89% less often than would be expected.
The average opponent winrate against Yuumiis 57.53%.
Poppy
Keeper of the Hammer
Karthus wins against Poppy 47.16% of the time which is 5.96% lower against Poppy than the average opponent.
After normalising both champions win rates Karthus wins against Poppy 0.72% more often than would be expected.
The average opponent winrate against Poppyis 53.12%.
Rell
the Iron Maiden
Karthus wins against Rell 47.21% of the time which is 5.17% lower against Rell than the average opponent.
After normalising both champions win rates Karthus wins against Rell 1.51% more often than would be expected.
The average opponent winrate against Rellis 52.38%.
Morgana
the Fallen
Karthus wins against Morgana 47.58% of the time which is 3.35% lower against Morgana than the average opponent.
After normalising both champions win rates Karthus wins against Morgana 3.33% more often than would be expected.
The average opponent winrate against Morganais 50.93%.
Leona
the Radiant Dawn
Karthus wins against Leona 48.18% of the time which is 4.05% lower against Leona than the average opponent.
After normalising both champions win rates Karthus wins against Leona 2.63% more often than would be expected.
The average opponent winrate against Leonais 52.23%.
Lulu
the Fae Sorceress
Karthus wins against Lulu 48.47% of the time which is 6.32% lower against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 0.35% more often than would be expected.
The average opponent winrate against Luluis 54.79%.
Thresh
the Chain Warden
Karthus wins against Thresh 48.87% of the time which is 5.59% lower against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 1.08% more often than would be expected.
The average opponent winrate against Threshis 54.46%.
Nautilus
the Titan of the Depths
Karthus wins against Nautilus 50.16% of the time which is 3.66% lower against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 3.02% more often than would be expected.
The average opponent winrate against Nautilusis 53.82%.
Alistar
the Minotaur
Karthus wins against Alistar 50.63% of the time which is 3.78% lower against Alistar than the average opponent.
After normalising both champions win rates Karthus wins against Alistar 2.89% more often than would be expected.
The average opponent winrate against Alistaris 54.41%.
Neeko
the Curious Chameleon
Karthus wins against Neeko 50.66% of the time which is 2.53% lower against Neeko than the average opponent.
After normalising both champions win rates Karthus wins against Neeko 4.15% more often than would be expected.
The average opponent winrate against Neekois 53.19%.
Pyke
the Bloodharbor Ripper
Karthus wins against Pyke 51.05% of the time which is 4.26% lower against Pyke than the average opponent.
After normalising both champions win rates Karthus wins against Pyke 2.41% more often than would be expected.
The average opponent winrate against Pykeis 55.31%.
Malphite
Shard of the Monolith
Karthus wins against Malphite 51.23% of the time which is 2.09% lower against Malphite than the average opponent.
After normalising both champions win rates Karthus wins against Malphite 4.59% more often than would be expected.
The average opponent winrate against Malphiteis 53.32%.
Ashe
the Frost Archer
Karthus wins against Ashe 51.40% of the time which is 7.85% lower against Ashe than the average opponent.
After normalising both champions win rates Karthus wins against Ashe 1.25% less often than would be expected.
The average opponent winrate against Asheis 59.25%.
Rakan
The Charmer
Karthus wins against Rakan 51.71% of the time which is 3.01% lower against Rakan than the average opponent.
After normalising both champions win rates Karthus wins against Rakan 3.66% more often than would be expected.
The average opponent winrate against Rakanis 54.72%.
Miss Fortune
the Bounty Hunter
Karthus wins against Miss Fortune 52.25% of the time which is 4.58% lower against Miss Fortune than the average opponent.
After normalising both champions win rates Karthus wins against Miss Fortune 2.07% more often than would be expected.
The average opponent winrate against Miss Fortuneis 56.83%.
Blitzcrank
the Great Steam Golem
Karthus wins against Blitzcrank 52.50% of the time which is 1.81% lower against Blitzcrank than the average opponent.
After normalising both champions win rates Karthus wins against Blitzcrank 4.87% more often than would be expected.
The average opponent winrate against Blitzcrankis 54.31%.