

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: 15,708,787
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 15.7 is the strongest counter to top champions of Gangplank, Ornn & Cho'Gath. While Karthus bottom is countered most by top champions of Mordekaiser, Riven & Garen. Below is a detailed breakdown of Karthus bottom counters against top champions with a minimum of 100 games.


Mordekaiser
the Iron Revenant
Karthus wins against Mordekaiser 47.52% of the time which is 1.10% lower against Mordekaiser than the average opponent.
After normalising both champions win rates Karthus wins against Mordekaiser 6.83% less often than would be expected.
The average opponent winrate against Mordekaiser is 48.62%.


Riven
the Exile
Karthus wins against Riven 48.10% of the time which is 1.08% higher against Riven than the average opponent.
After normalising both champions win rates Karthus wins against Riven 4.64% less often than would be expected.
The average opponent winrate against Riven is 47.02%.


Garen
The Might of Demacia
Karthus wins against Garen 48.46% of the time which is 0.34% lower against Garen than the average opponent.
After normalising both champions win rates Karthus wins against Garen 6.07% less often than would be expected.
The average opponent winrate against Garen is 48.80%.


Gwen
The Hallowed Seamstress
Karthus wins against Gwen 49.40% of the time which is 1.78% higher against Gwen than the average opponent.
After normalising both champions win rates Karthus wins against Gwen 3.95% less often than would be expected.
The average opponent winrate against Gwen is 47.62%.


Sett
the Boss
Karthus wins against Sett 49.45% of the time which is 2.57% higher against Sett than the average opponent.
After normalising both champions win rates Karthus wins against Sett 3.15% less often than would be expected.
The average opponent winrate against Sett is 46.88%.


Aatrox
the Darkin Blade
Karthus wins against Aatrox 49.49% of the time which is 1.11% higher against Aatrox than the average opponent.
After normalising both champions win rates Karthus wins against Aatrox 4.62% less often than would be expected.
The average opponent winrate against Aatrox is 48.38%.


Gragas
the Rabble Rouser
Karthus wins against Gragas 50.00% of the time which is 1.89% higher against Gragas than the average opponent.
After normalising both champions win rates Karthus wins against Gragas 3.84% less often than would be expected.
The average opponent winrate against Gragas is 48.11%.


Fiora
the Grand Duelist
Karthus wins against Fiora 51.30% of the time which is 4.09% higher against Fiora than the average opponent.
After normalising both champions win rates Karthus wins against Fiora 1.64% less often than would be expected.
The average opponent winrate against Fiora is 47.21%.


Urgot
the Dreadnought
Karthus wins against Urgot 51.49% of the time which is 5.18% higher against Urgot than the average opponent.
After normalising both champions win rates Karthus wins against Urgot 0.54% less often than would be expected.
The average opponent winrate against Urgot is 46.31%.


Malphite
Shard of the Monolith
Karthus wins against Malphite 51.72% of the time which is 4.83% higher against Malphite than the average opponent.
After normalising both champions win rates Karthus wins against Malphite 0.89% less often than would be expected.
The average opponent winrate against Malphite is 46.89%.


Vladimir
the Crimson Reaper
Karthus wins against Vladimir 52.21% of the time which is 3.47% higher against Vladimir than the average opponent.
After normalising both champions win rates Karthus wins against Vladimir 2.26% less often than would be expected.
The average opponent winrate against Vladimir is 48.74%.


Darius
the Hand of Noxus
Karthus wins against Darius 52.30% of the time which is 4.06% higher against Darius than the average opponent.
After normalising both champions win rates Karthus wins against Darius 1.67% less often than would be expected.
The average opponent winrate against Darius is 48.24%.


Ambessa
Matriarch of War
Karthus wins against Ambessa 52.51% of the time which is 2.47% higher against Ambessa than the average opponent.
After normalising both champions win rates Karthus wins against Ambessa 3.25% less often than would be expected.
The average opponent winrate against Ambessa is 50.04%.


Camille
the Steel Shadow
Karthus wins against Camille 53.33% of the time which is 5.39% higher against Camille than the average opponent.
After normalising both champions win rates Karthus wins against Camille 0.34% less often than would be expected.
The average opponent winrate against Camille is 47.94%.


Yorick
Shepherd of Souls
Karthus wins against Yorick 54.17% of the time which is 6.78% higher against Yorick than the average opponent.
After normalising both champions win rates Karthus wins against Yorick 1.05% more often than would be expected.
The average opponent winrate against Yorick is 47.39%.


Yone
the Unforgotten
Karthus wins against Yone 55.31% of the time which is 6.44% higher against Yone than the average opponent.
After normalising both champions win rates Karthus wins against Yone 0.71% more often than would be expected.
The average opponent winrate against Yone is 48.87%.


Renekton
the Butcher of the Sands
Karthus wins against Renekton 55.43% of the time which is 6.21% higher against Renekton than the average opponent.
After normalising both champions win rates Karthus wins against Renekton 0.49% more often than would be expected.
The average opponent winrate against Renekton is 49.22%.


Jax
Grandmaster at Arms
Karthus wins against Jax 55.97% of the time which is 6.97% higher against Jax than the average opponent.
After normalising both champions win rates Karthus wins against Jax 1.25% more often than would be expected.
The average opponent winrate against Jax is 49.00%.


Shen
the Eye of Twilight
Karthus wins against Shen 56.07% of the time which is 7.53% higher against Shen than the average opponent.
After normalising both champions win rates Karthus wins against Shen 1.80% more often than would be expected.
The average opponent winrate against Shen is 48.54%.


Dr. Mundo
the Madman of Zaun
Karthus wins against Dr. Mundo 56.31% of the time which is 8.41% higher against Dr. Mundo than the average opponent.
After normalising both champions win rates Karthus wins against Dr. Mundo 2.68% more often than would be expected.
The average opponent winrate against Dr. Mundo is 47.90%.


Volibear
the Relentless Storm
Karthus wins against Volibear 56.36% of the time which is 7.39% higher against Volibear than the average opponent.
After normalising both champions win rates Karthus wins against Volibear 1.67% more often than would be expected.
The average opponent winrate against Volibear is 48.97%.


Gnar
the Missing Link
Karthus wins against Gnar 56.85% of the time which is 7.61% higher against Gnar than the average opponent.
After normalising both champions win rates Karthus wins against Gnar 1.89% more often than would be expected.
The average opponent winrate against Gnar is 49.24%.


Jayce
the Defender of Tomorrow
Karthus wins against Jayce 57.21% of the time which is 7.34% higher against Jayce than the average opponent.
After normalising both champions win rates Karthus wins against Jayce 1.62% more often than would be expected.
The average opponent winrate against Jayce is 49.87%.


Kayle
the Righteous
Karthus wins against Kayle 59.17% of the time which is 12.82% higher against Kayle than the average opponent.
After normalising both champions win rates Karthus wins against Kayle 7.10% more often than would be expected.
The average opponent winrate against Kayle is 46.35%.


Sion
The Undead Juggernaut
Karthus wins against Sion 59.21% of the time which is 10.56% higher against Sion than the average opponent.
After normalising both champions win rates Karthus wins against Sion 4.83% more often than would be expected.
The average opponent winrate against Sion is 48.65%.


Cho'Gath
the Terror of the Void
Karthus wins against Cho'Gath 60.00% of the time which is 12.08% higher against Cho'Gath than the average opponent.
After normalising both champions win rates Karthus wins against Cho'Gath 6.35% more often than would be expected.
The average opponent winrate against Cho'Gath is 47.92%.


Irelia
the Blade Dancer
Karthus wins against Irelia 60.00% of the time which is 12.32% higher against Irelia than the average opponent.
After normalising both champions win rates Karthus wins against Irelia 6.59% more often than would be expected.
The average opponent winrate against Irelia is 47.68%.


Ornn
The Fire below the Mountain
Karthus wins against Ornn 60.27% of the time which is 12.48% higher against Ornn than the average opponent.
After normalising both champions win rates Karthus wins against Ornn 6.75% more often than would be expected.
The average opponent winrate against Ornn is 47.79%.


Gangplank
the Saltwater Scourge
Karthus wins against Gangplank 60.83% of the time which is 12.61% higher against Gangplank than the average opponent.
After normalising both champions win rates Karthus wins against Gangplank 6.88% more often than would be expected.
The average opponent winrate against Gangplank is 48.22%.