

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: 2,650,685
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 top Counters
Karthus jungle on Patch 15.13 is the strongest counter to top champions of Mordekaiser, Ambessa & Darius. While Karthus jungle is countered most by top champions of Sett, Sion & Shen. Below is a detailed breakdown of Karthus jungle counters against top champions with a minimum of 100 games.


Sett
the Boss
Karthus wins against Sett 37.66% of the time which is 9.35% lower against Sett than the average opponent.
After normalising both champions win rates Karthus wins against Sett 9.13% less often than would be expected.
The average opponent winrate against Sett is 47.01%.


Sion
The Undead Juggernaut
Karthus wins against Sion 39.32% of the time which is 10.22% lower against Sion than the average opponent.
After normalising both champions win rates Karthus wins against Sion 9.99% less often than would be expected.
The average opponent winrate against Sion is 49.54%.


Shen
the Eye of Twilight
Karthus wins against Shen 44.63% of the time which is 2.68% lower against Shen than the average opponent.
After normalising both champions win rates Karthus wins against Shen 2.46% less often than would be expected.
The average opponent winrate against Shen is 47.31%.


Dr. Mundo
the Madman of Zaun
Karthus wins against Dr. Mundo 45.03% of the time which is 3.53% lower against Dr. Mundo than the average opponent.
After normalising both champions win rates Karthus wins against Dr. Mundo 3.30% less often than would be expected.
The average opponent winrate against Dr. Mundo is 48.56%.


Renekton
the Butcher of the Sands
Karthus wins against Renekton 46.90% of the time which is 2.42% lower against Renekton than the average opponent.
After normalising both champions win rates Karthus wins against Renekton 2.19% less often than would be expected.
The average opponent winrate against Renekton is 49.32%.


Aatrox
the Darkin Blade
Karthus wins against Aatrox 49.25% of the time which is 0.12% lower against Aatrox than the average opponent.
After normalising both champions win rates Karthus wins against Aatrox 0.11% more often than would be expected.
The average opponent winrate against Aatrox is 49.37%.


Riven
the Exile
Karthus wins against Riven 50.43% of the time which is 2.55% higher against Riven than the average opponent.
After normalising both champions win rates Karthus wins against Riven 2.78% more often than would be expected.
The average opponent winrate against Riven is 47.88%.


Malphite
Shard of the Monolith
Karthus wins against Malphite 50.98% of the time which is 3.72% higher against Malphite than the average opponent.
After normalising both champions win rates Karthus wins against Malphite 3.94% more often than would be expected.
The average opponent winrate against Malphite is 47.26%.


Jax
Grandmaster at Arms
Karthus wins against Jax 51.92% of the time which is 2.42% higher against Jax than the average opponent.
After normalising both champions win rates Karthus wins against Jax 2.65% more often than would be expected.
The average opponent winrate against Jax is 49.50%.


Irelia
the Blade Dancer
Karthus wins against Irelia 53.64% of the time which is 4.95% higher against Irelia than the average opponent.
After normalising both champions win rates Karthus wins against Irelia 5.18% more often than would be expected.
The average opponent winrate against Irelia is 48.69%.


Darius
the Hand of Noxus
Karthus wins against Darius 53.91% of the time which is 4.08% higher against Darius than the average opponent.
After normalising both champions win rates Karthus wins against Darius 4.31% more often than would be expected.
The average opponent winrate against Darius is 49.83%.


Ambessa
Matriarch of War
Karthus wins against Ambessa 54.46% of the time which is 3.94% higher against Ambessa than the average opponent.
After normalising both champions win rates Karthus wins against Ambessa 4.17% more often than would be expected.
The average opponent winrate against Ambessa is 50.52%.


Mordekaiser
the Iron Revenant
Karthus wins against Mordekaiser 55.91% of the time which is 8.59% higher against Mordekaiser than the average opponent.
After normalising both champions win rates Karthus wins against Mordekaiser 8.81% more often than would be expected.
The average opponent winrate against Mordekaiser is 47.32%.