

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.
Bronze Champions Analysed: 33,620,444
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 middle vs middle Counters
Karthus middle on Patch 30 is the strongest counter to middle champions of Mel, LeBlanc & Sylas. While Karthus middle is countered most by middle champions of Yone, Diana & Lux. Below is a detailed breakdown of Karthus middle counters against middle champions with a minimum of 100 games.


Yone
the Unforgotten
Karthus wins against Yone 43.24% of the time which is 7.58% lower against Yone than the average opponent.
After normalising both champions win rates Karthus wins against Yone 4.33% less often than would be expected.
The average opponent winrate against Yone is 50.82%.


Diana
Scorn of the Moon
Karthus wins against Diana 43.38% of the time which is 5.14% lower against Diana than the average opponent.
After normalising both champions win rates Karthus wins against Diana 1.90% less often than would be expected.
The average opponent winrate against Diana is 48.52%.


Lux
the Lady of Luminosity
Karthus wins against Lux 44.05% of the time which is 4.08% lower against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 0.84% less often than would be expected.
The average opponent winrate against Lux is 48.13%.


Malzahar
the Prophet of the Void
Karthus wins against Malzahar 44.89% of the time which is 2.62% lower against Malzahar than the average opponent.
After normalising both champions win rates Karthus wins against Malzahar 0.61% more often than would be expected.
The average opponent winrate against Malzahar is 47.51%.


Akali
the Rogue Assassin
Karthus wins against Akali 45.06% of the time which is 5.07% lower against Akali than the average opponent.
After normalising both champions win rates Karthus wins against Akali 1.82% less often than would be expected.
The average opponent winrate against Akali is 50.13%.


Ahri
the Nine-Tailed Fox
Karthus wins against Ahri 45.24% of the time which is 5.59% lower against Ahri than the average opponent.
After normalising both champions win rates Karthus wins against Ahri 2.34% less often than would be expected.
The average opponent winrate against Ahri is 50.83%.


Katarina
the Sinister Blade
Karthus wins against Katarina 46.09% of the time which is 5.94% lower against Katarina than the average opponent.
After normalising both champions win rates Karthus wins against Katarina 2.69% less often than would be expected.
The average opponent winrate against Katarina is 52.03%.


Yasuo
the Unforgiven
Karthus wins against Yasuo 46.64% of the time which is 2.84% lower against Yasuo than the average opponent.
After normalising both champions win rates Karthus wins against Yasuo 0.41% more often than would be expected.
The average opponent winrate against Yasuo is 49.48%.


Veigar
the Tiny Master of Evil
Karthus wins against Veigar 47.88% of the time which is 0.02% lower against Veigar than the average opponent.
After normalising both champions win rates Karthus wins against Veigar 3.22% more often than would be expected.
The average opponent winrate against Veigar is 47.90%.


Zed
the Master of Shadows
Karthus wins against Zed 48.13% of the time which is 4.11% lower against Zed than the average opponent.
After normalising both champions win rates Karthus wins against Zed 0.86% less often than would be expected.
The average opponent winrate against Zed is 52.24%.


Sylas
the Unshackled
Karthus wins against Sylas 52.38% of the time which is 1.01% higher against Sylas than the average opponent.
After normalising both champions win rates Karthus wins against Sylas 4.26% more often than would be expected.
The average opponent winrate against Sylas is 51.37%.


LeBlanc
the Deceiver
Karthus wins against LeBlanc 52.78% of the time which is 1.60% higher against LeBlanc than the average opponent.
After normalising both champions win rates Karthus wins against LeBlanc 4.85% more often than would be expected.
The average opponent winrate against LeBlanc is 51.18%.


Mel
the Soul's Reflection
Karthus wins against Mel 54.39% of the time which is 3.22% higher against Mel than the average opponent.
After normalising both champions win rates Karthus wins against Mel 6.47% more often than would be expected.
The average opponent winrate against Mel is 51.17%.