

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: 5,911,664
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 middle Counters
Karthus jungle on Patch 15.11 is the strongest counter to middle champions of Vex, LeBlanc & Galio. While Karthus jungle is countered most by middle champions of Yasuo, Malzahar & Diana. Below is a detailed breakdown of Karthus jungle counters against middle champions with a minimum of 100 games.


Yasuo
the Unforgiven
Karthus wins against Yasuo 39.33% of the time which is 11.57% lower against Yasuo than the average opponent.
After normalising both champions win rates Karthus wins against Yasuo 5.54% less often than would be expected.
The average opponent winrate against Yasuo is 50.90%.


Malzahar
the Prophet of the Void
Karthus wins against Malzahar 43.33% of the time which is 5.57% lower against Malzahar than the average opponent.
After normalising both champions win rates Karthus wins against Malzahar 0.45% more often than would be expected.
The average opponent winrate against Malzahar is 48.90%.


Diana
Scorn of the Moon
Karthus wins against Diana 44.06% of the time which is 6.93% lower against Diana than the average opponent.
After normalising both champions win rates Karthus wins against Diana 0.90% less often than would be expected.
The average opponent winrate against Diana is 50.99%.


Sylas
the Unshackled
Karthus wins against Sylas 44.07% of the time which is 9.67% lower against Sylas than the average opponent.
After normalising both champions win rates Karthus wins against Sylas 3.64% less often than would be expected.
The average opponent winrate against Sylas is 53.74%.


Ekko
the Boy Who Shattered Time
Karthus wins against Ekko 44.44% of the time which is 6.65% lower against Ekko than the average opponent.
After normalising both champions win rates Karthus wins against Ekko 0.62% less often than would be expected.
The average opponent winrate against Ekko is 51.09%.


Yone
the Unforgotten
Karthus wins against Yone 44.44% of the time which is 9.27% lower against Yone than the average opponent.
After normalising both champions win rates Karthus wins against Yone 3.24% less often than would be expected.
The average opponent winrate against Yone is 53.71%.


Fizz
the Tidal Trickster
Karthus wins against Fizz 44.60% of the time which is 7.34% lower against Fizz than the average opponent.
After normalising both champions win rates Karthus wins against Fizz 1.31% less often than would be expected.
The average opponent winrate against Fizz is 51.94%.


Veigar
the Tiny Master of Evil
Karthus wins against Veigar 44.80% of the time which is 5.32% lower against Veigar than the average opponent.
After normalising both champions win rates Karthus wins against Veigar 0.71% more often than would be expected.
The average opponent winrate against Veigar is 50.12%.


Xerath
the Magus Ascendant
Karthus wins against Xerath 44.96% of the time which is 6.25% lower against Xerath than the average opponent.
After normalising both champions win rates Karthus wins against Xerath 0.22% less often than would be expected.
The average opponent winrate against Xerath is 51.21%.


Lux
the Lady of Luminosity
Karthus wins against Lux 46.27% of the time which is 4.30% lower against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 1.73% more often than would be expected.
The average opponent winrate against Lux is 50.57%.


Viktor
the Herald of the Arcane
Karthus wins against Viktor 46.34% of the time which is 4.99% lower against Viktor than the average opponent.
After normalising both champions win rates Karthus wins against Viktor 1.04% more often than would be expected.
The average opponent winrate against Viktor is 51.33%.


Irelia
the Blade Dancer
Karthus wins against Irelia 47.52% of the time which is 5.53% lower against Irelia than the average opponent.
After normalising both champions win rates Karthus wins against Irelia 0.50% more often than would be expected.
The average opponent winrate against Irelia is 53.05%.


Katarina
the Sinister Blade
Karthus wins against Katarina 47.73% of the time which is 6.31% lower against Katarina than the average opponent.
After normalising both champions win rates Karthus wins against Katarina 0.28% less often than would be expected.
The average opponent winrate against Katarina is 54.04%.


Ahri
the Nine-Tailed Fox
Karthus wins against Ahri 47.93% of the time which is 4.96% lower against Ahri than the average opponent.
After normalising both champions win rates Karthus wins against Ahri 1.07% more often than would be expected.
The average opponent winrate against Ahri is 52.89%.


Akali
the Rogue Assassin
Karthus wins against Akali 49.18% of the time which is 3.24% lower against Akali than the average opponent.
After normalising both champions win rates Karthus wins against Akali 2.79% more often than would be expected.
The average opponent winrate against Akali is 52.42%.


Mel
the Soul's Reflection
Karthus wins against Mel 49.28% of the time which is 3.57% lower against Mel than the average opponent.
After normalising both champions win rates Karthus wins against Mel 2.46% more often than would be expected.
The average opponent winrate against Mel is 52.85%.


Zed
the Master of Shadows
Karthus wins against Zed 50.83% of the time which is 4.14% lower against Zed than the average opponent.
After normalising both champions win rates Karthus wins against Zed 1.88% more often than would be expected.
The average opponent winrate against Zed is 54.97%.


Galio
the Colossus
Karthus wins against Galio 51.83% of the time which is 1.16% higher against Galio than the average opponent.
After normalising both champions win rates Karthus wins against Galio 7.19% more often than would be expected.
The average opponent winrate against Galio is 50.67%.


LeBlanc
the Deceiver
Karthus wins against LeBlanc 53.23% of the time which is 0.28% lower against LeBlanc than the average opponent.
After normalising both champions win rates Karthus wins against LeBlanc 5.75% more often than would be expected.
The average opponent winrate against LeBlanc is 53.51%.


Vex
the Gloomist
Karthus wins against Vex 54.01% of the time which is 2.23% higher against Vex than the average opponent.
After normalising both champions win rates Karthus wins against Vex 8.26% more often than would be expected.
The average opponent winrate against Vex is 51.78%.