

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: 8,310,658
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 15.7 is the strongest counter to support champions of Braum, Vel'Koz & Blitzcrank. While Karthus jungle is countered most by support champions of Soraka, Tahm Kench & Zyra. Below is a detailed breakdown of Karthus jungle counters against support champions with a minimum of 100 games.


Soraka
the Starchild
Karthus wins against Soraka 31.54% of the time which is 20.72% lower against Soraka than the average opponent.
After normalising both champions win rates Karthus wins against Soraka 12.78% less often than would be expected.
The average opponent winrate against Soraka is 52.26%.


Tahm Kench
The River King
Karthus wins against Tahm Kench 36.99% of the time which is 16.05% lower against Tahm Kench than the average opponent.
After normalising both champions win rates Karthus wins against Tahm Kench 8.11% less often than would be expected.
The average opponent winrate against Tahm Kench is 53.04%.


Zyra
Rise of the Thorns
Karthus wins against Zyra 38.96% of the time which is 11.78% lower against Zyra than the average opponent.
After normalising both champions win rates Karthus wins against Zyra 3.84% less often than would be expected.
The average opponent winrate against Zyra is 50.74%.


Senna
the Redeemer
Karthus wins against Senna 39.47% of the time which is 14.81% lower against Senna than the average opponent.
After normalising both champions win rates Karthus wins against Senna 6.88% less often than would be expected.
The average opponent winrate against Senna is 54.28%.


Nautilus
the Titan of the Depths
Karthus wins against Nautilus 39.89% of the time which is 13.13% lower against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 5.19% less often than would be expected.
The average opponent winrate against Nautilus is 53.02%.


Maokai
the Twisted Treant
Karthus wins against Maokai 40.65% of the time which is 10.84% lower against Maokai than the average opponent.
After normalising both champions win rates Karthus wins against Maokai 2.90% less often than would be expected.
The average opponent winrate against Maokai is 51.49%.


Nami
the Tidecaller
Karthus wins against Nami 41.00% of the time which is 10.99% lower against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 3.05% less often than would be expected.
The average opponent winrate against Nami is 51.99%.


Mel
the Soul's Reflection
Karthus wins against Mel 41.70% of the time which is 14.08% lower against Mel than the average opponent.
After normalising both champions win rates Karthus wins against Mel 6.16% less often than would be expected.
The average opponent winrate against Mel is 55.78%.


Rell
the Iron Maiden
Karthus wins against Rell 42.55% of the time which is 9.19% lower against Rell than the average opponent.
After normalising both champions win rates Karthus wins against Rell 1.25% less often than would be expected.
The average opponent winrate against Rell is 51.74%.


Malphite
Shard of the Monolith
Karthus wins against Malphite 42.55% of the time which is 10.74% lower against Malphite than the average opponent.
After normalising both champions win rates Karthus wins against Malphite 2.80% less often than would be expected.
The average opponent winrate against Malphite is 53.29%.


Pantheon
the Unbreakable Spear
Karthus wins against Pantheon 42.61% of the time which is 10.13% lower against Pantheon than the average opponent.
After normalising both champions win rates Karthus wins against Pantheon 2.19% less often than would be expected.
The average opponent winrate against Pantheon is 52.74%.


Brand
the Burning Vengeance
Karthus wins against Brand 43.26% of the time which is 7.74% lower against Brand than the average opponent.
After normalising both champions win rates Karthus wins against Brand 0.20% more often than would be expected.
The average opponent winrate against Brand is 51.00%.


Sona
Maven of the Strings
Karthus wins against Sona 43.41% of the time which is 8.15% lower against Sona than the average opponent.
After normalising both champions win rates Karthus wins against Sona 0.21% less often than would be expected.
The average opponent winrate against Sona is 51.56%.


Lux
the Lady of Luminosity
Karthus wins against Lux 43.92% of the time which is 8.01% lower against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 0.07% less often than would be expected.
The average opponent winrate against Lux is 51.93%.


Pyke
the Bloodharbor Ripper
Karthus wins against Pyke 44.23% of the time which is 11.20% lower against Pyke than the average opponent.
After normalising both champions win rates Karthus wins against Pyke 3.28% less often than would be expected.
The average opponent winrate against Pyke is 55.43%.


Swain
the Noxian Grand General
Karthus wins against Swain 44.50% of the time which is 6.76% lower against Swain than the average opponent.
After normalising both champions win rates Karthus wins against Swain 1.18% more often than would be expected.
The average opponent winrate against Swain is 51.26%.


Karma
the Enlightened One
Karthus wins against Karma 44.79% of the time which is 9.14% lower against Karma than the average opponent.
After normalising both champions win rates Karthus wins against Karma 1.21% less often than would be expected.
The average opponent winrate against Karma is 53.93%.


Teemo
the Swift Scout
Karthus wins against Teemo 45.13% of the time which is 4.53% lower against Teemo than the average opponent.
After normalising both champions win rates Karthus wins against Teemo 3.40% more often than would be expected.
The average opponent winrate against Teemo is 49.66%.


Lulu
the Fae Sorceress
Karthus wins against Lulu 46.31% of the time which is 7.73% lower against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 0.20% more often than would be expected.
The average opponent winrate against Lulu is 54.04%.


Xerath
the Magus Ascendant
Karthus wins against Xerath 46.63% of the time which is 5.58% lower against Xerath than the average opponent.
After normalising both champions win rates Karthus wins against Xerath 2.36% more often than would be expected.
The average opponent winrate against Xerath is 52.21%.


Yuumi
the Magical Cat
Karthus wins against Yuumi 47.33% of the time which is 8.44% lower against Yuumi than the average opponent.
After normalising both champions win rates Karthus wins against Yuumi 0.52% less often than would be expected.
The average opponent winrate against Yuumi is 55.77%.


Morgana
the Fallen
Karthus wins against Morgana 47.91% of the time which is 4.03% lower against Morgana than the average opponent.
After normalising both champions win rates Karthus wins against Morgana 3.91% more often than would be expected.
The average opponent winrate against Morgana is 51.94%.


Leona
the Radiant Dawn
Karthus wins against Leona 48.01% of the time which is 4.54% lower against Leona than the average opponent.
After normalising both champions win rates Karthus wins against Leona 3.40% more often than would be expected.
The average opponent winrate against Leona is 52.55%.


Thresh
the Chain Warden
Karthus wins against Thresh 48.77% of the time which is 4.90% lower against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 3.04% more often than would be expected.
The average opponent winrate against Thresh is 53.67%.


Neeko
the Curious Chameleon
Karthus wins against Neeko 49.48% of the time which is 4.19% lower against Neeko than the average opponent.
After normalising both champions win rates Karthus wins against Neeko 3.75% more often than would be expected.
The average opponent winrate against Neeko is 53.67%.


Rakan
The Charmer
Karthus wins against Rakan 50.00% of the time which is 3.72% lower against Rakan than the average opponent.
After normalising both champions win rates Karthus wins against Rakan 4.22% more often than would be expected.
The average opponent winrate against Rakan is 53.72%.


Seraphine
the Starry-Eyed Songstress
Karthus wins against Seraphine 50.92% of the time which is 2.20% lower against Seraphine than the average opponent.
After normalising both champions win rates Karthus wins against Seraphine 5.74% more often than would be expected.
The average opponent winrate against Seraphine is 53.12%.


Blitzcrank
the Great Steam Golem
Karthus wins against Blitzcrank 51.11% of the time which is 2.63% lower against Blitzcrank than the average opponent.
After normalising both champions win rates Karthus wins against Blitzcrank 5.31% more often than would be expected.
The average opponent winrate against Blitzcrank is 53.74%.


Vel'Koz
the Eye of the Void
Karthus wins against Vel'Koz 53.85% of the time which is 1.80% higher against Vel'Koz than the average opponent.
After normalising both champions win rates Karthus wins against Vel'Koz 9.74% more often than would be expected.
The average opponent winrate against Vel'Koz is 52.05%.


Braum
the Heart of the Freljord
Karthus wins against Braum 58.99% of the time which is 6.39% higher against Braum than the average opponent.
After normalising both champions win rates Karthus wins against Braum 14.33% more often than would be expected.
The average opponent winrate against Braum is 52.60%.