

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: 10,109,850
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 15.15 is the strongest counter to support champions of Bard, Pantheon & Neeko. While Karthus jungle is countered most by support champions of Karma, Brand & Sona. Below is a detailed breakdown of Karthus jungle counters against support champions with a minimum of 100 games.


Karma
the Enlightened One
Karthus wins against Karma 42.66% of the time which is 8.65% lower against Karma than the average opponent.
After normalising both champions win rates Karthus wins against Karma 6.45% less often than would be expected.
The average opponent winrate against Karma is 51.31%.


Brand
the Burning Vengeance
Karthus wins against Brand 43.73% of the time which is 5.11% lower against Brand than the average opponent.
After normalising both champions win rates Karthus wins against Brand 2.91% less often than would be expected.
The average opponent winrate against Brand is 48.84%.


Sona
Maven of the Strings
Karthus wins against Sona 44.61% of the time which is 3.54% lower against Sona than the average opponent.
After normalising both champions win rates Karthus wins against Sona 1.34% less often than would be expected.
The average opponent winrate against Sona is 48.15%.


Xerath
the Magus Ascendant
Karthus wins against Xerath 45.00% of the time which is 4.56% lower against Xerath than the average opponent.
After normalising both champions win rates Karthus wins against Xerath 2.36% less often than would be expected.
The average opponent winrate against Xerath is 49.56%.


Teemo
the Swift Scout
Karthus wins against Teemo 45.32% of the time which is 2.30% lower against Teemo than the average opponent.
After normalising both champions win rates Karthus wins against Teemo 0.11% less often than would be expected.
The average opponent winrate against Teemo is 47.62%.


Nami
the Tidecaller
Karthus wins against Nami 45.70% of the time which is 2.63% lower against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 0.43% less often than would be expected.
The average opponent winrate against Nami is 48.33%.


Seraphine
the Starry-Eyed Songstress
Karthus wins against Seraphine 46.02% of the time which is 5.04% lower against Seraphine than the average opponent.
After normalising both champions win rates Karthus wins against Seraphine 2.84% less often than would be expected.
The average opponent winrate against Seraphine is 51.06%.


Shaco
the Demon Jester
Karthus wins against Shaco 46.21% of the time which is 3.33% lower against Shaco than the average opponent.
After normalising both champions win rates Karthus wins against Shaco 1.13% less often than would be expected.
The average opponent winrate against Shaco is 49.54%.


Swain
the Noxian Grand General
Karthus wins against Swain 46.37% of the time which is 3.33% lower against Swain than the average opponent.
After normalising both champions win rates Karthus wins against Swain 1.13% less often than would be expected.
The average opponent winrate against Swain is 49.70%.


Thresh
the Chain Warden
Karthus wins against Thresh 46.51% of the time which is 4.59% lower against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 2.39% less often than would be expected.
The average opponent winrate against Thresh is 51.10%.


Lux
the Lady of Luminosity
Karthus wins against Lux 46.64% of the time which is 3.22% lower against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 1.02% less often than would be expected.
The average opponent winrate against Lux is 49.86%.


Morgana
the Fallen
Karthus wins against Morgana 46.67% of the time which is 2.17% lower against Morgana than the average opponent.
After normalising both champions win rates Karthus wins against Morgana 0.03% more often than would be expected.
The average opponent winrate against Morgana is 48.84%.


Maokai
the Twisted Treant
Karthus wins against Maokai 46.88% of the time which is 2.43% lower against Maokai than the average opponent.
After normalising both champions win rates Karthus wins against Maokai 0.23% less often than would be expected.
The average opponent winrate against Maokai is 49.31%.


Blitzcrank
the Great Steam Golem
Karthus wins against Blitzcrank 47.07% of the time which is 4.30% lower against Blitzcrank than the average opponent.
After normalising both champions win rates Karthus wins against Blitzcrank 2.10% less often than would be expected.
The average opponent winrate against Blitzcrank is 51.37%.


Rell
the Iron Maiden
Karthus wins against Rell 47.21% of the time which is 2.41% lower against Rell than the average opponent.
After normalising both champions win rates Karthus wins against Rell 0.21% less often than would be expected.
The average opponent winrate against Rell is 49.62%.


Leona
the Radiant Dawn
Karthus wins against Leona 47.49% of the time which is 1.56% lower against Leona than the average opponent.
After normalising both champions win rates Karthus wins against Leona 0.64% more often than would be expected.
The average opponent winrate against Leona is 49.05%.


Milio
The Gentle Flame
Karthus wins against Milio 47.49% of the time which is 0.03% lower against Milio than the average opponent.
After normalising both champions win rates Karthus wins against Milio 2.16% more often than would be expected.
The average opponent winrate against Milio is 47.52%.


Soraka
the Starchild
Karthus wins against Soraka 47.70% of the time which is 1.46% lower against Soraka than the average opponent.
After normalising both champions win rates Karthus wins against Soraka 0.74% more often than would be expected.
The average opponent winrate against Soraka is 49.16%.


Nautilus
the Titan of the Depths
Karthus wins against Nautilus 47.98% of the time which is 2.85% lower against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 0.65% less often than would be expected.
The average opponent winrate against Nautilus is 50.83%.


Tahm Kench
The River King
Karthus wins against Tahm Kench 48.28% of the time which is 3.35% lower against Tahm Kench than the average opponent.
After normalising both champions win rates Karthus wins against Tahm Kench 1.15% less often than would be expected.
The average opponent winrate against Tahm Kench is 51.63%.


Vel'Koz
the Eye of the Void
Karthus wins against Vel'Koz 48.68% of the time which is 0.80% lower against Vel'Koz than the average opponent.
After normalising both champions win rates Karthus wins against Vel'Koz 1.40% more often than would be expected.
The average opponent winrate against Vel'Koz is 49.48%.


Rakan
The Charmer
Karthus wins against Rakan 49.75% of the time which is 1.67% lower against Rakan than the average opponent.
After normalising both champions win rates Karthus wins against Rakan 0.53% more often than would be expected.
The average opponent winrate against Rakan is 51.42%.


Alistar
the Minotaur
Karthus wins against Alistar 50.00% of the time which is 2.14% lower against Alistar than the average opponent.
After normalising both champions win rates Karthus wins against Alistar 0.06% more often than would be expected.
The average opponent winrate against Alistar is 52.14%.


Lulu
the Fae Sorceress
Karthus wins against Lulu 50.51% of the time which is 0.24% lower against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 1.96% more often than would be expected.
The average opponent winrate against Lulu is 50.75%.


Poppy
Keeper of the Hammer
Karthus wins against Poppy 51.16% of the time which is 1.59% higher against Poppy than the average opponent.
After normalising both champions win rates Karthus wins against Poppy 3.79% more often than would be expected.
The average opponent winrate against Poppy is 49.57%.


Mel
the Soul's Reflection
Karthus wins against Mel 52.00% of the time which is 0.42% lower against Mel than the average opponent.
After normalising both champions win rates Karthus wins against Mel 1.78% more often than would be expected.
The average opponent winrate against Mel is 52.42%.


Pyke
the Bloodharbor Ripper
Karthus wins against Pyke 52.02% of the time which is 0.20% lower against Pyke than the average opponent.
After normalising both champions win rates Karthus wins against Pyke 2.00% more often than would be expected.
The average opponent winrate against Pyke is 52.22%.


Malphite
Shard of the Monolith
Karthus wins against Malphite 52.38% of the time which is 1.91% higher against Malphite than the average opponent.
After normalising both champions win rates Karthus wins against Malphite 4.11% more often than would be expected.
The average opponent winrate against Malphite is 50.47%.


Braum
the Heart of the Freljord
Karthus wins against Braum 52.38% of the time which is 2.58% higher against Braum than the average opponent.
After normalising both champions win rates Karthus wins against Braum 4.78% more often than would be expected.
The average opponent winrate against Braum is 49.80%.


Zyra
Rise of the Thorns
Karthus wins against Zyra 52.52% of the time which is 3.48% higher against Zyra than the average opponent.
After normalising both champions win rates Karthus wins against Zyra 5.68% more often than would be expected.
The average opponent winrate against Zyra is 49.04%.


Yuumi
the Magical Cat
Karthus wins against Yuumi 52.82% of the time which is 0.87% higher against Yuumi than the average opponent.
After normalising both champions win rates Karthus wins against Yuumi 3.07% more often than would be expected.
The average opponent winrate against Yuumi is 51.95%.


Senna
the Redeemer
Karthus wins against Senna 52.94% of the time which is 0.35% lower against Senna than the average opponent.
After normalising both champions win rates Karthus wins against Senna 1.85% more often than would be expected.
The average opponent winrate against Senna is 53.29%.


Neeko
the Curious Chameleon
Karthus wins against Neeko 53.18% of the time which is 1.46% higher against Neeko than the average opponent.
After normalising both champions win rates Karthus wins against Neeko 3.66% more often than would be expected.
The average opponent winrate against Neeko is 51.72%.


Pantheon
the Unbreakable Spear
Karthus wins against Pantheon 54.02% of the time which is 2.88% higher against Pantheon than the average opponent.
After normalising both champions win rates Karthus wins against Pantheon 5.08% more often than would be expected.
The average opponent winrate against Pantheon is 51.14%.


Bard
the Wandering Caretaker
Karthus wins against Bard 56.20% of the time which is 3.81% higher against Bard than the average opponent.
After normalising both champions win rates Karthus wins against Bard 6.01% more often than would be expected.
The average opponent winrate against Bard is 52.39%.