

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.
Emerald+ Champions Analysed: 30,888,920
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 Zed, Yone & Syndra. While Karthus middle is countered most by middle champions of Katarina, Akali & LeBlanc. Below is a detailed breakdown of Karthus middle counters against middle champions with a minimum of 100 games.


Katarina
the Sinister Blade
Karthus wins against Katarina 38.05% of the time which is 11.39% lower against Katarina than the average opponent.
After normalising both champions win rates Karthus wins against Katarina 9.98% less often than would be expected.
The average opponent winrate against Katarina is 49.44%.


Akali
the Rogue Assassin
Karthus wins against Akali 39.13% of the time which is 10.44% lower against Akali than the average opponent.
After normalising both champions win rates Karthus wins against Akali 9.03% less often than would be expected.
The average opponent winrate against Akali is 49.57%.


LeBlanc
the Deceiver
Karthus wins against LeBlanc 42.75% of the time which is 6.68% lower against LeBlanc than the average opponent.
After normalising both champions win rates Karthus wins against LeBlanc 5.27% less often than would be expected.
The average opponent winrate against LeBlanc is 49.43%.


Ahri
the Nine-Tailed Fox
Karthus wins against Ahri 45.45% of the time which is 4.94% lower against Ahri than the average opponent.
After normalising both champions win rates Karthus wins against Ahri 3.53% less often than would be expected.
The average opponent winrate against Ahri is 50.39%.


Malzahar
the Prophet of the Void
Karthus wins against Malzahar 45.79% of the time which is 3.33% lower against Malzahar than the average opponent.
After normalising both champions win rates Karthus wins against Malzahar 1.92% less often than would be expected.
The average opponent winrate against Malzahar is 49.12%.


Hwei
the Visionary
Karthus wins against Hwei 47.62% of the time which is 1.84% lower against Hwei than the average opponent.
After normalising both champions win rates Karthus wins against Hwei 0.43% less often than would be expected.
The average opponent winrate against Hwei is 49.46%.


Yasuo
the Unforgiven
Karthus wins against Yasuo 49.25% of the time which is 1.35% lower against Yasuo than the average opponent.
After normalising both champions win rates Karthus wins against Yasuo 0.06% more often than would be expected.
The average opponent winrate against Yasuo is 50.60%.


Aurora
the Witch Between Worlds
Karthus wins against Aurora 49.57% of the time which is 0.92% lower against Aurora than the average opponent.
After normalising both champions win rates Karthus wins against Aurora 0.49% more often than would be expected.
The average opponent winrate against Aurora is 50.49%.


Twisted Fate
the Card Master
Karthus wins against Twisted Fate 50.31% of the time which is 0.95% higher against Twisted Fate than the average opponent.
After normalising both champions win rates Karthus wins against Twisted Fate 2.36% more often than would be expected.
The average opponent winrate against Twisted Fate is 49.36%.


Sylas
the Unshackled
Karthus wins against Sylas 52.27% of the time which is 1.89% higher against Sylas than the average opponent.
After normalising both champions win rates Karthus wins against Sylas 3.30% more often than would be expected.
The average opponent winrate against Sylas is 50.38%.


Orianna
the Lady of Clockwork
Karthus wins against Orianna 52.35% of the time which is 1.77% higher against Orianna than the average opponent.
After normalising both champions win rates Karthus wins against Orianna 3.18% more often than would be expected.
The average opponent winrate against Orianna is 50.58%.


Viktor
the Herald of the Arcane
Karthus wins against Viktor 52.59% of the time which is 1.93% higher against Viktor than the average opponent.
After normalising both champions win rates Karthus wins against Viktor 3.34% more often than would be expected.
The average opponent winrate against Viktor is 50.66%.


Syndra
the Dark Sovereign
Karthus wins against Syndra 52.94% of the time which is 3.45% higher against Syndra than the average opponent.
After normalising both champions win rates Karthus wins against Syndra 4.86% more often than would be expected.
The average opponent winrate against Syndra is 49.49%.


Yone
the Unforgotten
Karthus wins against Yone 55.77% of the time which is 2.76% higher against Yone than the average opponent.
After normalising both champions win rates Karthus wins against Yone 4.17% more often than would be expected.
The average opponent winrate against Yone is 53.01%.


Zed
the Master of Shadows
Karthus wins against Zed 58.65% of the time which is 8.39% higher against Zed than the average opponent.
After normalising both champions win rates Karthus wins against Zed 9.80% more often than would be expected.
The average opponent winrate against Zed is 50.26%.