

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.
Diamond+ Champions Analysed: 4,870,082
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 15.14 is the strongest counter to support champions of Blitzcrank, Senna & Morgana. While Karthus jungle is countered most by support champions of Seraphine, Yuumi & Soraka. Below is a detailed breakdown of Karthus jungle counters against support champions with a minimum of 100 games.


Seraphine
the Starry-Eyed Songstress
Karthus wins against Seraphine 40.31% of the time which is 10.09% lower against Seraphine than the average opponent.
After normalising both champions win rates Karthus wins against Seraphine 9.38% less often than would be expected.
The average opponent winrate against Seraphine is 50.40%.


Yuumi
the Magical Cat
Karthus wins against Yuumi 40.33% of the time which is 12.07% lower against Yuumi than the average opponent.
After normalising both champions win rates Karthus wins against Yuumi 11.36% less often than would be expected.
The average opponent winrate against Yuumi is 52.40%.


Soraka
the Starchild
Karthus wins against Soraka 43.40% of the time which is 5.90% lower against Soraka than the average opponent.
After normalising both champions win rates Karthus wins against Soraka 5.19% less often than would be expected.
The average opponent winrate against Soraka is 49.30%.


Janna
the Storm's Fury
Karthus wins against Janna 44.44% of the time which is 4.06% lower against Janna than the average opponent.
After normalising both champions win rates Karthus wins against Janna 3.35% less often than would be expected.
The average opponent winrate against Janna is 48.50%.


Neeko
the Curious Chameleon
Karthus wins against Neeko 45.10% of the time which is 5.93% lower against Neeko than the average opponent.
After normalising both champions win rates Karthus wins against Neeko 5.22% less often than would be expected.
The average opponent winrate against Neeko is 51.03%.


Sona
Maven of the Strings
Karthus wins against Sona 46.34% of the time which is 1.55% lower against Sona than the average opponent.
After normalising both champions win rates Karthus wins against Sona 0.84% less often than would be expected.
The average opponent winrate against Sona is 47.89%.


Bard
the Wandering Caretaker
Karthus wins against Bard 46.53% of the time which is 2.23% lower against Bard than the average opponent.
After normalising both champions win rates Karthus wins against Bard 1.52% less often than would be expected.
The average opponent winrate against Bard is 48.76%.


Karma
the Enlightened One
Karthus wins against Karma 46.89% of the time which is 3.46% lower against Karma than the average opponent.
After normalising both champions win rates Karthus wins against Karma 2.75% less often than would be expected.
The average opponent winrate against Karma is 50.35%.


Zyra
Rise of the Thorns
Karthus wins against Zyra 48.18% of the time which is 3.33% lower against Zyra than the average opponent.
After normalising both champions win rates Karthus wins against Zyra 2.62% less often than would be expected.
The average opponent winrate against Zyra is 51.51%.


Milio
The Gentle Flame
Karthus wins against Milio 48.37% of the time which is 1.41% lower against Milio than the average opponent.
After normalising both champions win rates Karthus wins against Milio 0.70% less often than would be expected.
The average opponent winrate against Milio is 49.78%.


Rakan
The Charmer
Karthus wins against Rakan 48.68% of the time which is 1.45% lower against Rakan than the average opponent.
After normalising both champions win rates Karthus wins against Rakan 0.74% less often than would be expected.
The average opponent winrate against Rakan is 50.13%.


Nami
the Tidecaller
Karthus wins against Nami 48.83% of the time which is 0.31% lower against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 0.40% more often than would be expected.
The average opponent winrate against Nami is 49.14%.


Lulu
the Fae Sorceress
Karthus wins against Lulu 48.86% of the time which is 0.69% lower against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 0.02% more often than would be expected.
The average opponent winrate against Lulu is 49.55%.


Zilean
the Chronokeeper
Karthus wins against Zilean 50.00% of the time which is 1.15% higher against Zilean than the average opponent.
After normalising both champions win rates Karthus wins against Zilean 1.86% more often than would be expected.
The average opponent winrate against Zilean is 48.85%.


Pyke
the Bloodharbor Ripper
Karthus wins against Pyke 50.30% of the time which is 0.11% higher against Pyke than the average opponent.
After normalising both champions win rates Karthus wins against Pyke 0.82% more often than would be expected.
The average opponent winrate against Pyke is 50.19%.


Lux
the Lady of Luminosity
Karthus wins against Lux 50.82% of the time which is 2.25% lower against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 1.54% less often than would be expected.
The average opponent winrate against Lux is 53.07%.


Thresh
the Chain Warden
Karthus wins against Thresh 50.94% of the time which is 1.82% higher against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 2.53% more often than would be expected.
The average opponent winrate against Thresh is 49.12%.


Nautilus
the Titan of the Depths
Karthus wins against Nautilus 51.91% of the time which is 0.66% higher against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 1.37% more often than would be expected.
The average opponent winrate against Nautilus is 51.25%.


Rell
the Iron Maiden
Karthus wins against Rell 52.78% of the time which is 4.07% higher against Rell than the average opponent.
After normalising both champions win rates Karthus wins against Rell 4.78% more often than would be expected.
The average opponent winrate against Rell is 48.71%.


Alistar
the Minotaur
Karthus wins against Alistar 52.84% of the time which is 3.62% higher against Alistar than the average opponent.
After normalising both champions win rates Karthus wins against Alistar 4.33% more often than would be expected.
The average opponent winrate against Alistar is 49.22%.


Leona
the Radiant Dawn
Karthus wins against Leona 53.03% of the time which is 3.16% higher against Leona than the average opponent.
After normalising both champions win rates Karthus wins against Leona 3.87% more often than would be expected.
The average opponent winrate against Leona is 49.87%.


Poppy
Keeper of the Hammer
Karthus wins against Poppy 53.33% of the time which is 4.14% higher against Poppy than the average opponent.
After normalising both champions win rates Karthus wins against Poppy 4.85% more often than would be expected.
The average opponent winrate against Poppy is 49.19%.


Braum
the Heart of the Freljord
Karthus wins against Braum 53.46% of the time which is 4.32% higher against Braum than the average opponent.
After normalising both champions win rates Karthus wins against Braum 5.03% more often than would be expected.
The average opponent winrate against Braum is 49.14%.


Morgana
the Fallen
Karthus wins against Morgana 53.77% of the time which is 2.91% higher against Morgana than the average opponent.
After normalising both champions win rates Karthus wins against Morgana 3.62% more often than would be expected.
The average opponent winrate against Morgana is 50.86%.


Senna
the Redeemer
Karthus wins against Senna 55.03% of the time which is 3.28% higher against Senna than the average opponent.
After normalising both champions win rates Karthus wins against Senna 3.99% more often than would be expected.
The average opponent winrate against Senna is 51.75%.


Blitzcrank
the Great Steam Golem
Karthus wins against Blitzcrank 55.78% of the time which is 5.55% higher against Blitzcrank than the average opponent.
After normalising both champions win rates Karthus wins against Blitzcrank 6.26% more often than would be expected.
The average opponent winrate against Blitzcrank is 50.23%.