

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: 20,192,848
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 bottom vs top Counters
Karthus bottom on Patch 15.3 is the strongest counter to top champions of Malphite, Vladimir & Mordekaiser. While Karthus bottom is countered most by top champions of Urgot, Cho'Gath & Ornn. Below is a detailed breakdown of Karthus bottom counters against top champions with a minimum of 100 games.


Urgot
the Dreadnought
Karthus wins against Urgot 41.26% of the time which is 4.85% lower against Urgot than the average opponent.
After normalising both champions win rates Karthus wins against Urgot 10.97% less often than would be expected.
The average opponent winrate against Urgot is 46.11%.


Cho'Gath
the Terror of the Void
Karthus wins against Cho'Gath 43.17% of the time which is 4.06% lower against Cho'Gath than the average opponent.
After normalising both champions win rates Karthus wins against Cho'Gath 10.19% less often than would be expected.
The average opponent winrate against Cho'Gath is 47.23%.


Ornn
The Fire below the Mountain
Karthus wins against Ornn 48.63% of the time which is 0.97% higher against Ornn than the average opponent.
After normalising both champions win rates Karthus wins against Ornn 5.16% less often than would be expected.
The average opponent winrate against Ornn is 47.66%.


Irelia
the Blade Dancer
Karthus wins against Irelia 49.58% of the time which is 1.67% higher against Irelia than the average opponent.
After normalising both champions win rates Karthus wins against Irelia 4.46% less often than would be expected.
The average opponent winrate against Irelia is 47.91%.


Warwick
the Uncaged Wrath of Zaun
Karthus wins against Warwick 50.00% of the time which is 5.14% higher against Warwick than the average opponent.
After normalising both champions win rates Karthus wins against Warwick 0.97% less often than would be expected.
The average opponent winrate against Warwick is 44.86%.


Shen
the Eye of Twilight
Karthus wins against Shen 50.40% of the time which is 2.63% higher against Shen than the average opponent.
After normalising both champions win rates Karthus wins against Shen 3.50% less often than would be expected.
The average opponent winrate against Shen is 47.77%.


Camille
the Steel Shadow
Karthus wins against Camille 52.02% of the time which is 4.47% higher against Camille than the average opponent.
After normalising both champions win rates Karthus wins against Camille 1.66% less often than would be expected.
The average opponent winrate against Camille is 47.55%.


Kayle
the Righteous
Karthus wins against Kayle 52.41% of the time which is 6.37% higher against Kayle than the average opponent.
After normalising both champions win rates Karthus wins against Kayle 0.25% more often than would be expected.
The average opponent winrate against Kayle is 46.04%.


Tryndamere
the Barbarian King
Karthus wins against Tryndamere 52.88% of the time which is 5.30% higher against Tryndamere than the average opponent.
After normalising both champions win rates Karthus wins against Tryndamere 0.83% less often than would be expected.
The average opponent winrate against Tryndamere is 47.58%.


Ambessa
Matriarch of War
Karthus wins against Ambessa 52.92% of the time which is 3.17% higher against Ambessa than the average opponent.
After normalising both champions win rates Karthus wins against Ambessa 2.95% less often than would be expected.
The average opponent winrate against Ambessa is 49.75%.


Riven
the Exile
Karthus wins against Riven 53.00% of the time which is 6.18% higher against Riven than the average opponent.
After normalising both champions win rates Karthus wins against Riven 0.05% more often than would be expected.
The average opponent winrate against Riven is 46.82%.


Garen
The Might of Demacia
Karthus wins against Garen 53.13% of the time which is 5.53% higher against Garen than the average opponent.
After normalising both champions win rates Karthus wins against Garen 0.60% less often than would be expected.
The average opponent winrate against Garen is 47.60%.


Renekton
the Butcher of the Sands
Karthus wins against Renekton 53.52% of the time which is 4.30% higher against Renekton than the average opponent.
After normalising both champions win rates Karthus wins against Renekton 1.82% less often than would be expected.
The average opponent winrate against Renekton is 49.22%.


Gwen
The Hallowed Seamstress
Karthus wins against Gwen 53.85% of the time which is 5.80% higher against Gwen than the average opponent.
After normalising both champions win rates Karthus wins against Gwen 0.33% less often than would be expected.
The average opponent winrate against Gwen is 48.05%.


Yone
the Unforgotten
Karthus wins against Yone 54.19% of the time which is 4.22% higher against Yone than the average opponent.
After normalising both champions win rates Karthus wins against Yone 1.90% less often than would be expected.
The average opponent winrate against Yone is 49.97%.


Sett
the Boss
Karthus wins against Sett 54.67% of the time which is 8.17% higher against Sett than the average opponent.
After normalising both champions win rates Karthus wins against Sett 2.05% more often than would be expected.
The average opponent winrate against Sett is 46.50%.


Gragas
the Rabble Rouser
Karthus wins against Gragas 54.93% of the time which is 7.19% higher against Gragas than the average opponent.
After normalising both champions win rates Karthus wins against Gragas 1.06% more often than would be expected.
The average opponent winrate against Gragas is 47.74%.


Aatrox
the Darkin Blade
Karthus wins against Aatrox 55.02% of the time which is 6.83% higher against Aatrox than the average opponent.
After normalising both champions win rates Karthus wins against Aatrox 0.70% more often than would be expected.
The average opponent winrate against Aatrox is 48.19%.


K'Sante
the Pride of Nazumah
Karthus wins against K'Sante 55.28% of the time which is 4.21% higher against K'Sante than the average opponent.
After normalising both champions win rates Karthus wins against K'Sante 1.90% less often than would be expected.
The average opponent winrate against K'Sante is 51.07%.


Darius
the Hand of Noxus
Karthus wins against Darius 55.36% of the time which is 8.27% higher against Darius than the average opponent.
After normalising both champions win rates Karthus wins against Darius 2.14% more often than would be expected.
The average opponent winrate against Darius is 47.09%.


Fiora
the Grand Duelist
Karthus wins against Fiora 55.71% of the time which is 7.79% higher against Fiora than the average opponent.
After normalising both champions win rates Karthus wins against Fiora 1.66% more often than would be expected.
The average opponent winrate against Fiora is 47.92%.


Sion
The Undead Juggernaut
Karthus wins against Sion 57.25% of the time which is 7.83% higher against Sion than the average opponent.
After normalising both champions win rates Karthus wins against Sion 1.71% more often than would be expected.
The average opponent winrate against Sion is 49.42%.


Jax
Grandmaster at Arms
Karthus wins against Jax 57.30% of the time which is 8.14% 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 49.16%.


Gnar
the Missing Link
Karthus wins against Gnar 57.82% of the time which is 9.76% higher against Gnar than the average opponent.
After normalising both champions win rates Karthus wins against Gnar 3.63% more often than would be expected.
The average opponent winrate against Gnar is 48.06%.


Pantheon
the Unbreakable Spear
Karthus wins against Pantheon 58.72% of the time which is 10.60% higher against Pantheon than the average opponent.
After normalising both champions win rates Karthus wins against Pantheon 4.47% more often than would be expected.
The average opponent winrate against Pantheon is 48.12%.


Jayce
the Defender of Tomorrow
Karthus wins against Jayce 59.41% of the time which is 9.16% higher against Jayce than the average opponent.
After normalising both champions win rates Karthus wins against Jayce 3.04% more often than would be expected.
The average opponent winrate against Jayce is 50.25%.


Volibear
the Relentless Storm
Karthus wins against Volibear 59.57% of the time which is 10.87% higher against Volibear than the average opponent.
After normalising both champions win rates Karthus wins against Volibear 4.74% more often than would be expected.
The average opponent winrate against Volibear is 48.70%.


Mordekaiser
the Iron Revenant
Karthus wins against Mordekaiser 60.36% of the time which is 12.78% higher against Mordekaiser than the average opponent.
After normalising both champions win rates Karthus wins against Mordekaiser 6.65% more often than would be expected.
The average opponent winrate against Mordekaiser is 47.58%.


Vladimir
the Crimson Reaper
Karthus wins against Vladimir 61.02% of the time which is 12.64% higher against Vladimir than the average opponent.
After normalising both champions win rates Karthus wins against Vladimir 6.51% more often than would be expected.
The average opponent winrate against Vladimir is 48.38%.


Malphite
Shard of the Monolith
Karthus wins against Malphite 63.64% of the time which is 16.60% higher against Malphite than the average opponent.
After normalising both champions win rates Karthus wins against Malphite 10.47% more often than would be expected.
The average opponent winrate against Malphite is 47.04%.