

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: 22,832,995
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 30 is the strongest counter to support champions of Bard, Mel & Renata Glasc. While Karthus jungle is countered most by support champions of Teemo, Soraka & Maokai. Below is a detailed breakdown of Karthus jungle counters against support champions with a minimum of 100 games.


Teemo
the Swift Scout
Karthus wins against Teemo 35.69% of the time which is 11.87% lower against Teemo than the average opponent.
After normalising both champions win rates Karthus wins against Teemo 7.58% less often than would be expected.
The average opponent winrate against Teemo is 47.56%.


Soraka
the Starchild
Karthus wins against Soraka 41.02% of the time which is 8.73% lower against Soraka than the average opponent.
After normalising both champions win rates Karthus wins against Soraka 4.42% less often than would be expected.
The average opponent winrate against Soraka is 49.75%.


Maokai
the Twisted Treant
Karthus wins against Maokai 42.29% of the time which is 7.68% lower against Maokai than the average opponent.
After normalising both champions win rates Karthus wins against Maokai 3.37% less often than would be expected.
The average opponent winrate against Maokai is 49.97%.


Taric
the Shield of Valoran
Karthus wins against Taric 42.62% of the time which is 4.75% lower against Taric than the average opponent.
After normalising both champions win rates Karthus wins against Taric 0.46% less often than would be expected.
The average opponent winrate against Taric is 47.37%.


Shaco
the Demon Jester
Karthus wins against Shaco 42.77% of the time which is 6.71% lower against Shaco than the average opponent.
After normalising both champions win rates Karthus wins against Shaco 2.40% less often than would be expected.
The average opponent winrate against Shaco is 49.48%.


Janna
the Storm's Fury
Karthus wins against Janna 43.68% of the time which is 7.38% lower against Janna than the average opponent.
After normalising both champions win rates Karthus wins against Janna 3.07% less often than would be expected.
The average opponent winrate against Janna is 51.06%.


Vel'Koz
the Eye of the Void
Karthus wins against Vel'Koz 43.69% of the time which is 6.50% lower against Vel'Koz than the average opponent.
After normalising both champions win rates Karthus wins against Vel'Koz 2.19% less often than would be expected.
The average opponent winrate against Vel'Koz is 50.19%.


Galio
the Colossus
Karthus wins against Galio 43.71% of the time which is 5.92% lower against Galio than the average opponent.
After normalising both champions win rates Karthus wins against Galio 1.61% less often than would be expected.
The average opponent winrate against Galio is 49.63%.


Lux
the Lady of Luminosity
Karthus wins against Lux 44.25% of the time which is 6.07% lower against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 1.76% less often than would be expected.
The average opponent winrate against Lux is 50.32%.


Zyra
Rise of the Thorns
Karthus wins against Zyra 44.56% of the time which is 4.69% lower against Zyra than the average opponent.
After normalising both champions win rates Karthus wins against Zyra 0.38% less often than would be expected.
The average opponent winrate against Zyra is 49.25%.


Tahm Kench
The River King
Karthus wins against Tahm Kench 44.83% of the time which is 6.74% lower against Tahm Kench than the average opponent.
After normalising both champions win rates Karthus wins against Tahm Kench 2.43% less often than would be expected.
The average opponent winrate against Tahm Kench is 51.57%.


Poppy
Keeper of the Hammer
Karthus wins against Poppy 44.86% of the time which is 5.70% lower against Poppy than the average opponent.
After normalising both champions win rates Karthus wins against Poppy 1.39% less often than would be expected.
The average opponent winrate against Poppy is 50.56%.


Swain
the Noxian Grand General
Karthus wins against Swain 44.87% of the time which is 5.32% lower against Swain than the average opponent.
After normalising both champions win rates Karthus wins against Swain 1.01% less often than would be expected.
The average opponent winrate against Swain is 50.19%.


Milio
The Gentle Flame
Karthus wins against Milio 44.93% of the time which is 3.50% lower against Milio than the average opponent.
After normalising both champions win rates Karthus wins against Milio 0.80% more often than would be expected.
The average opponent winrate against Milio is 48.43%.


Nami
the Tidecaller
Karthus wins against Nami 45.25% of the time which is 3.99% lower against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 0.32% more often than would be expected.
The average opponent winrate against Nami is 49.24%.


Pantheon
the Unbreakable Spear
Karthus wins against Pantheon 45.47% of the time which is 6.16% lower against Pantheon than the average opponent.
After normalising both champions win rates Karthus wins against Pantheon 1.85% less often than would be expected.
The average opponent winrate against Pantheon is 51.63%.


Lulu
the Fae Sorceress
Karthus wins against Lulu 46.18% of the time which is 5.65% lower against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 1.34% less often than would be expected.
The average opponent winrate against Lulu is 51.83%.


Braum
the Heart of the Freljord
Karthus wins against Braum 46.29% of the time which is 3.57% lower against Braum than the average opponent.
After normalising both champions win rates Karthus wins against Braum 0.74% more often than would be expected.
The average opponent winrate against Braum is 49.86%.


Blitzcrank
the Great Steam Golem
Karthus wins against Blitzcrank 46.42% of the time which is 5.19% lower against Blitzcrank than the average opponent.
After normalising both champions win rates Karthus wins against Blitzcrank 0.88% less often than would be expected.
The average opponent winrate against Blitzcrank is 51.61%.


Morgana
the Fallen
Karthus wins against Morgana 46.84% of the time which is 2.64% lower against Morgana than the average opponent.
After normalising both champions win rates Karthus wins against Morgana 1.67% more often than would be expected.
The average opponent winrate against Morgana is 49.48%.


Sylas
the Unshackled
Karthus wins against Sylas 46.96% of the time which is 4.32% lower against Sylas than the average opponent.
After normalising both champions win rates Karthus wins against Sylas 0.01% less often than would be expected.
The average opponent winrate against Sylas is 51.28%.


Shen
the Eye of Twilight
Karthus wins against Shen 46.98% of the time which is 2.12% lower against Shen than the average opponent.
After normalising both champions win rates Karthus wins against Shen 2.19% more often than would be expected.
The average opponent winrate against Shen is 49.10%.


Brand
the Burning Vengeance
Karthus wins against Brand 46.99% of the time which is 2.51% lower against Brand than the average opponent.
After normalising both champions win rates Karthus wins against Brand 1.80% more often than would be expected.
The average opponent winrate against Brand is 49.50%.


Miss Fortune
the Bounty Hunter
Karthus wins against Miss Fortune 47.02% of the time which is 9.97% lower against Miss Fortune than the average opponent.
After normalising both champions win rates Karthus wins against Miss Fortune 5.69% less often than would be expected.
The average opponent winrate against Miss Fortune is 56.99%.


Malphite
Shard of the Monolith
Karthus wins against Malphite 47.04% of the time which is 4.08% lower against Malphite than the average opponent.
After normalising both champions win rates Karthus wins against Malphite 0.23% more often than would be expected.
The average opponent winrate against Malphite is 51.12%.


Leona
the Radiant Dawn
Karthus wins against Leona 47.15% of the time which is 2.35% lower against Leona than the average opponent.
After normalising both champions win rates Karthus wins against Leona 1.96% more often than would be expected.
The average opponent winrate against Leona is 49.50%.


Fiddlesticks
the Ancient Fear
Karthus wins against Fiddlesticks 47.17% of the time which is 2.69% lower against Fiddlesticks than the average opponent.
After normalising both champions win rates Karthus wins against Fiddlesticks 1.62% more often than would be expected.
The average opponent winrate against Fiddlesticks is 49.86%.


Hwei
the Visionary
Karthus wins against Hwei 47.20% of the time which is 4.26% lower against Hwei than the average opponent.
After normalising both champions win rates Karthus wins against Hwei 0.05% more often than would be expected.
The average opponent winrate against Hwei is 51.46%.


Veigar
the Tiny Master of Evil
Karthus wins against Veigar 47.26% of the time which is 4.26% lower against Veigar than the average opponent.
After normalising both champions win rates Karthus wins against Veigar 0.05% more often than would be expected.
The average opponent winrate against Veigar is 51.52%.


Nautilus
the Titan of the Depths
Karthus wins against Nautilus 47.43% of the time which is 4.06% lower against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 0.25% more often than would be expected.
The average opponent winrate against Nautilus is 51.49%.


Karma
the Enlightened One
Karthus wins against Karma 47.64% of the time which is 4.51% lower against Karma than the average opponent.
After normalising both champions win rates Karthus wins against Karma 0.20% less often than would be expected.
The average opponent winrate against Karma is 52.15%.


Ashe
the Frost Archer
Karthus wins against Ashe 48.02% of the time which is 6.91% lower against Ashe than the average opponent.
After normalising both champions win rates Karthus wins against Ashe 2.61% less often than would be expected.
The average opponent winrate against Ashe is 54.93%.


Seraphine
the Starry-Eyed Songstress
Karthus wins against Seraphine 48.28% of the time which is 3.24% lower against Seraphine than the average opponent.
After normalising both champions win rates Karthus wins against Seraphine 1.07% more often than would be expected.
The average opponent winrate against Seraphine is 51.52%.


Rell
the Iron Maiden
Karthus wins against Rell 48.37% of the time which is 1.07% lower against Rell than the average opponent.
After normalising both champions win rates Karthus wins against Rell 3.24% more often than would be expected.
The average opponent winrate against Rell is 49.44%.


Senna
the Redeemer
Karthus wins against Senna 48.48% of the time which is 5.46% lower against Senna than the average opponent.
After normalising both champions win rates Karthus wins against Senna 1.15% less often than would be expected.
The average opponent winrate against Senna is 53.94%.


Yuumi
the Magical Cat
Karthus wins against Yuumi 49.05% of the time which is 3.62% lower against Yuumi than the average opponent.
After normalising both champions win rates Karthus wins against Yuumi 0.69% more often than would be expected.
The average opponent winrate against Yuumi is 52.67%.


Zilean
the Chronokeeper
Karthus wins against Zilean 49.15% of the time which is 2.10% lower against Zilean than the average opponent.
After normalising both champions win rates Karthus wins against Zilean 2.21% more often than would be expected.
The average opponent winrate against Zilean is 51.25%.


Neeko
the Curious Chameleon
Karthus wins against Neeko 49.17% of the time which is 3.41% lower against Neeko than the average opponent.
After normalising both champions win rates Karthus wins against Neeko 0.90% more often than would be expected.
The average opponent winrate against Neeko is 52.58%.


Alistar
the Minotaur
Karthus wins against Alistar 49.20% of the time which is 2.28% lower against Alistar than the average opponent.
After normalising both champions win rates Karthus wins against Alistar 2.03% more often than would be expected.
The average opponent winrate against Alistar is 51.48%.


Xerath
the Magus Ascendant
Karthus wins against Xerath 49.55% of the time which is 0.55% lower against Xerath than the average opponent.
After normalising both champions win rates Karthus wins against Xerath 3.76% more often than would be expected.
The average opponent winrate against Xerath is 50.10%.


Sona
Maven of the Strings
Karthus wins against Sona 49.63% of the time which is 0.21% higher against Sona than the average opponent.
After normalising both champions win rates Karthus wins against Sona 4.52% more often than would be expected.
The average opponent winrate against Sona is 49.42%.


Thresh
the Chain Warden
Karthus wins against Thresh 49.64% of the time which is 2.01% lower against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 2.30% more often than would be expected.
The average opponent winrate against Thresh is 51.65%.


Rakan
The Charmer
Karthus wins against Rakan 49.74% of the time which is 2.12% lower against Rakan than the average opponent.
After normalising both champions win rates Karthus wins against Rakan 2.19% more often than would be expected.
The average opponent winrate against Rakan is 51.86%.


Pyke
the Bloodharbor Ripper
Karthus wins against Pyke 50.17% of the time which is 2.92% lower against Pyke than the average opponent.
After normalising both champions win rates Karthus wins against Pyke 1.39% more often than would be expected.
The average opponent winrate against Pyke is 53.09%.


Renata Glasc
the Chem-Baroness
Karthus wins against Renata Glasc 50.38% of the time which is 0.85% lower against Renata Glasc than the average opponent.
After normalising both champions win rates Karthus wins against Renata Glasc 3.46% more often than would be expected.
The average opponent winrate against Renata Glasc is 51.23%.


Mel
the Soul's Reflection
Karthus wins against Mel 50.63% of the time which is 2.57% lower against Mel than the average opponent.
After normalising both champions win rates Karthus wins against Mel 1.74% more often than would be expected.
The average opponent winrate against Mel is 53.20%.


Bard
the Wandering Caretaker
Karthus wins against Bard 52.25% of the time which is 0.03% higher against Bard than the average opponent.
After normalising both champions win rates Karthus wins against Bard 4.34% more often than would be expected.
The average opponent winrate against Bard is 52.22%.