

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: 34,256,312
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 top Counters
Karthus middle on Patch 30 is the strongest counter to top champions of Jayce, Mordekaiser & Jax. While Karthus middle is countered most by top champions of Fiora, Ambessa & Darius. Below is a detailed breakdown of Karthus middle counters against top champions with a minimum of 100 games.


Fiora
the Grand Duelist
Karthus wins against Fiora 41.18% of the time which is 6.76% lower against Fiora than the average opponent.
After normalising both champions win rates Karthus wins against Fiora 8.23% less often than would be expected.
The average opponent winrate against Fiora is 47.94%.


Ambessa
Matriarch of War
Karthus wins against Ambessa 44.53% of the time which is 5.42% lower against Ambessa than the average opponent.
After normalising both champions win rates Karthus wins against Ambessa 6.89% less often than would be expected.
The average opponent winrate against Ambessa is 49.95%.


Darius
the Hand of Noxus
Karthus wins against Darius 44.60% of the time which is 4.74% lower against Darius than the average opponent.
After normalising both champions win rates Karthus wins against Darius 6.21% less often than would be expected.
The average opponent winrate against Darius is 49.34%.


Dr. Mundo
the Madman of Zaun
Karthus wins against Dr. Mundo 46.49% of the time which is 2.82% lower against Dr. Mundo than the average opponent.
After normalising both champions win rates Karthus wins against Dr. Mundo 4.29% less often than would be expected.
The average opponent winrate against Dr. Mundo is 49.31%.


Shen
the Eye of Twilight
Karthus wins against Shen 47.17% of the time which is 0.10% lower against Shen than the average opponent.
After normalising both champions win rates Karthus wins against Shen 1.57% less often than would be expected.
The average opponent winrate against Shen is 47.27%.


Riven
the Exile
Karthus wins against Riven 47.93% of the time which is 0.58% higher against Riven than the average opponent.
After normalising both champions win rates Karthus wins against Riven 0.89% less often than would be expected.
The average opponent winrate against Riven is 47.35%.


Aatrox
the Darkin Blade
Karthus wins against Aatrox 48.20% of the time which is 1.13% lower against Aatrox than the average opponent.
After normalising both champions win rates Karthus wins against Aatrox 2.60% less often than would be expected.
The average opponent winrate against Aatrox is 49.33%.


Kayle
the Righteous
Karthus wins against Kayle 48.21% of the time which is 1.50% higher against Kayle than the average opponent.
After normalising both champions win rates Karthus wins against Kayle 0.03% more often than would be expected.
The average opponent winrate against Kayle is 46.71%.


Malphite
Shard of the Monolith
Karthus wins against Malphite 48.60% of the time which is 1.70% higher against Malphite than the average opponent.
After normalising both champions win rates Karthus wins against Malphite 0.23% more often than would be expected.
The average opponent winrate against Malphite is 46.90%.


Sett
the Boss
Karthus wins against Sett 50.54% of the time which is 3.66% higher against Sett than the average opponent.
After normalising both champions win rates Karthus wins against Sett 2.19% more often than would be expected.
The average opponent winrate against Sett is 46.88%.


Renekton
the Butcher of the Sands
Karthus wins against Renekton 50.59% of the time which is 1.52% higher against Renekton than the average opponent.
After normalising both champions win rates Karthus wins against Renekton 0.05% more often than would be expected.
The average opponent winrate against Renekton is 49.07%.


Sion
The Undead Juggernaut
Karthus wins against Sion 50.96% of the time which is 1.52% higher against Sion than the average opponent.
After normalising both champions win rates Karthus wins against Sion 0.05% more often than would be expected.
The average opponent winrate against Sion is 49.44%.


Jax
Grandmaster at Arms
Karthus wins against Jax 52.27% of the time which is 3.49% higher against Jax than the average opponent.
After normalising both champions win rates Karthus wins against Jax 2.02% more often than would be expected.
The average opponent winrate against Jax is 48.78%.


Mordekaiser
the Iron Revenant
Karthus wins against Mordekaiser 55.37% of the time which is 7.83% higher against Mordekaiser than the average opponent.
After normalising both champions win rates Karthus wins against Mordekaiser 6.36% more often than would be expected.
The average opponent winrate against Mordekaiser is 47.54%.


Jayce
the Defender of Tomorrow
Karthus wins against Jayce 62.10% of the time which is 11.47% higher against Jayce than the average opponent.
After normalising both champions win rates Karthus wins against Jayce 10.00% more often than would be expected.
The average opponent winrate against Jayce is 50.63%.