

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: 33,025,728
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 30 is the strongest counter to top champions of Teemo, Yasuo & Gwen. While Karthus bottom is countered most by top champions of Sett, Gragas & Fiora. Below is a detailed breakdown of Karthus bottom counters against top champions with a minimum of 100 games.


Sett
the Boss
Karthus wins against Sett 45.33% of the time which is 3.45% lower against Sett than the average opponent.
After normalising both champions win rates Karthus wins against Sett 6.88% less often than would be expected.
The average opponent winrate against Sett is 48.78%.


Gragas
the Rabble Rouser
Karthus wins against Gragas 46.64% of the time which is 2.77% lower against Gragas than the average opponent.
After normalising both champions win rates Karthus wins against Gragas 6.20% less often than would be expected.
The average opponent winrate against Gragas is 49.41%.


Fiora
the Grand Duelist
Karthus wins against Fiora 47.45% of the time which is 1.54% lower against Fiora than the average opponent.
After normalising both champions win rates Karthus wins against Fiora 4.97% less often than would be expected.
The average opponent winrate against Fiora is 48.99%.


Kled
the Cantankerous Cavalier
Karthus wins against Kled 48.06% of the time which is 1.89% lower against Kled than the average opponent.
After normalising both champions win rates Karthus wins against Kled 5.32% less often than would be expected.
The average opponent winrate against Kled is 49.95%.


Aurora
the Witch Between Worlds
Karthus wins against Aurora 48.25% of the time which is 1.91% lower against Aurora than the average opponent.
After normalising both champions win rates Karthus wins against Aurora 5.34% less often than would be expected.
The average opponent winrate against Aurora is 50.16%.


Vayne
the Night Hunter
Karthus wins against Vayne 48.70% of the time which is 0.46% lower against Vayne than the average opponent.
After normalising both champions win rates Karthus wins against Vayne 3.89% less often than would be expected.
The average opponent winrate against Vayne is 49.16%.


Gnar
the Missing Link
Karthus wins against Gnar 48.72% of the time which is 2.31% lower against Gnar than the average opponent.
After normalising both champions win rates Karthus wins against Gnar 5.73% less often than would be expected.
The average opponent winrate against Gnar is 51.03%.


Dr. Mundo
the Madman of Zaun
Karthus wins against Dr. Mundo 50.25% of the time which is 0.10% lower against Dr. Mundo than the average opponent.
After normalising both champions win rates Karthus wins against Dr. Mundo 3.53% less often than would be expected.
The average opponent winrate against Dr. Mundo is 50.35%.


Ornn
The Fire below the Mountain
Karthus wins against Ornn 50.79% of the time which is 1.83% higher against Ornn than the average opponent.
After normalising both champions win rates Karthus wins against Ornn 1.60% less often than would be expected.
The average opponent winrate against Ornn is 48.96%.


Mordekaiser
the Iron Revenant
Karthus wins against Mordekaiser 50.85% of the time which is 2.36% higher against Mordekaiser than the average opponent.
After normalising both champions win rates Karthus wins against Mordekaiser 1.07% less often than would be expected.
The average opponent winrate against Mordekaiser is 48.49%.


Yorick
Shepherd of Souls
Karthus wins against Yorick 51.09% of the time which is 0.96% higher against Yorick than the average opponent.
After normalising both champions win rates Karthus wins against Yorick 2.47% less often than would be expected.
The average opponent winrate against Yorick is 50.13%.


Renekton
the Butcher of the Sands
Karthus wins against Renekton 51.20% of the time which is 1.08% higher against Renekton than the average opponent.
After normalising both champions win rates Karthus wins against Renekton 2.35% less often than would be expected.
The average opponent winrate against Renekton is 50.12%.


Malphite
Shard of the Monolith
Karthus wins against Malphite 51.48% of the time which is 3.35% higher against Malphite than the average opponent.
After normalising both champions win rates Karthus wins against Malphite 0.08% less often than would be expected.
The average opponent winrate against Malphite is 48.13%.


Riven
the Exile
Karthus wins against Riven 51.51% of the time which is 1.74% higher against Riven than the average opponent.
After normalising both champions win rates Karthus wins against Riven 1.69% less often than would be expected.
The average opponent winrate against Riven is 49.77%.


Irelia
the Blade Dancer
Karthus wins against Irelia 51.67% of the time which is 2.93% higher against Irelia than the average opponent.
After normalising both champions win rates Karthus wins against Irelia 0.50% less often than would be expected.
The average opponent winrate against Irelia is 48.74%.


Cho'Gath
the Terror of the Void
Karthus wins against Cho'Gath 52.08% of the time which is 3.15% higher against Cho'Gath than the average opponent.
After normalising both champions win rates Karthus wins against Cho'Gath 0.28% less often than would be expected.
The average opponent winrate against Cho'Gath is 48.93%.


K'Sante
the Pride of Nazumah
Karthus wins against K'Sante 52.22% of the time which is 0.00% lower against K'Sante than the average opponent.
After normalising both champions win rates Karthus wins against K'Sante 3.41% less often than would be expected.
The average opponent winrate against K'Sante is 52.22%.


Kayle
the Righteous
Karthus wins against Kayle 52.45% of the time which is 3.95% higher against Kayle than the average opponent.
After normalising both champions win rates Karthus wins against Kayle 0.52% more often than would be expected.
The average opponent winrate against Kayle is 48.50%.


Aatrox
the Darkin Blade
Karthus wins against Aatrox 52.47% of the time which is 2.10% higher against Aatrox than the average opponent.
After normalising both champions win rates Karthus wins against Aatrox 1.33% less often than would be expected.
The average opponent winrate against Aatrox is 50.37%.


Shen
the Eye of Twilight
Karthus wins against Shen 52.56% of the time which is 3.76% higher against Shen than the average opponent.
After normalising both champions win rates Karthus wins against Shen 0.33% more often than would be expected.
The average opponent winrate against Shen is 48.80%.


Vladimir
the Crimson Reaper
Karthus wins against Vladimir 52.70% of the time which is 3.51% higher against Vladimir than the average opponent.
After normalising both champions win rates Karthus wins against Vladimir 0.08% more often than would be expected.
The average opponent winrate against Vladimir is 49.19%.


Camille
the Steel Shadow
Karthus wins against Camille 52.79% of the time which is 3.72% higher against Camille than the average opponent.
After normalising both champions win rates Karthus wins against Camille 0.29% more often than would be expected.
The average opponent winrate against Camille is 49.07%.


Gangplank
the Saltwater Scourge
Karthus wins against Gangplank 52.86% of the time which is 2.85% higher against Gangplank than the average opponent.
After normalising both champions win rates Karthus wins against Gangplank 0.58% less often than would be expected.
The average opponent winrate against Gangplank is 50.01%.


Trundle
the Troll King
Karthus wins against Trundle 53.17% of the time which is 2.47% higher against Trundle than the average opponent.
After normalising both champions win rates Karthus wins against Trundle 0.96% less often than would be expected.
The average opponent winrate against Trundle is 50.70%.


Quinn
Demacia's Wings
Karthus wins against Quinn 53.52% of the time which is 6.46% higher against Quinn than the average opponent.
After normalising both champions win rates Karthus wins against Quinn 3.03% more often than would be expected.
The average opponent winrate against Quinn is 47.06%.


Yone
the Unforgotten
Karthus wins against Yone 53.64% of the time which is 1.09% higher against Yone than the average opponent.
After normalising both champions win rates Karthus wins against Yone 2.32% less often than would be expected.
The average opponent winrate against Yone is 52.55%.


Nasus
the Curator of the Sands
Karthus wins against Nasus 54.17% of the time which is 4.27% higher against Nasus than the average opponent.
After normalising both champions win rates Karthus wins against Nasus 0.84% more often than would be expected.
The average opponent winrate against Nasus is 49.90%.


Sion
The Undead Juggernaut
Karthus wins against Sion 54.44% of the time which is 4.08% higher against Sion than the average opponent.
After normalising both champions win rates Karthus wins against Sion 0.65% more often than would be expected.
The average opponent winrate against Sion is 50.36%.


Tryndamere
the Barbarian King
Karthus wins against Tryndamere 54.55% of the time which is 4.48% higher against Tryndamere than the average opponent.
After normalising both champions win rates Karthus wins against Tryndamere 1.05% more often than would be expected.
The average opponent winrate against Tryndamere is 50.07%.


Warwick
the Uncaged Wrath of Zaun
Karthus wins against Warwick 54.95% of the time which is 7.90% higher against Warwick than the average opponent.
After normalising both champions win rates Karthus wins against Warwick 4.47% more often than would be expected.
The average opponent winrate against Warwick is 47.05%.


Ambessa
Matriarch of War
Karthus wins against Ambessa 55.01% of the time which is 4.51% higher against Ambessa than the average opponent.
After normalising both champions win rates Karthus wins against Ambessa 1.08% more often than would be expected.
The average opponent winrate against Ambessa is 50.50%.


Garen
The Might of Demacia
Karthus wins against Garen 55.23% of the time which is 5.32% higher against Garen than the average opponent.
After normalising both champions win rates Karthus wins against Garen 1.89% more often than would be expected.
The average opponent winrate against Garen is 49.91%.


Akali
the Rogue Assassin
Karthus wins against Akali 55.45% of the time which is 5.54% higher against Akali than the average opponent.
After normalising both champions win rates Karthus wins against Akali 2.11% more often than would be expected.
The average opponent winrate against Akali is 49.91%.


Kennen
the Heart of the Tempest
Karthus wins against Kennen 55.48% of the time which is 6.96% higher against Kennen than the average opponent.
After normalising both champions win rates Karthus wins against Kennen 3.53% more often than would be expected.
The average opponent winrate against Kennen is 48.52%.


Pantheon
the Unbreakable Spear
Karthus wins against Pantheon 55.91% of the time which is 6.31% higher against Pantheon than the average opponent.
After normalising both champions win rates Karthus wins against Pantheon 2.88% more often than would be expected.
The average opponent winrate against Pantheon is 49.60%.


Olaf
the Berserker
Karthus wins against Olaf 56.03% of the time which is 7.29% higher against Olaf than the average opponent.
After normalising both champions win rates Karthus wins against Olaf 3.86% more often than would be expected.
The average opponent winrate against Olaf is 48.74%.


Rumble
the Mechanized Menace
Karthus wins against Rumble 56.44% of the time which is 4.38% higher against Rumble than the average opponent.
After normalising both champions win rates Karthus wins against Rumble 0.97% more often than would be expected.
The average opponent winrate against Rumble is 52.06%.


Darius
the Hand of Noxus
Karthus wins against Darius 56.77% of the time which is 6.69% higher against Darius than the average opponent.
After normalising both champions win rates Karthus wins against Darius 3.26% more often than would be expected.
The average opponent winrate against Darius is 50.08%.


Volibear
the Relentless Storm
Karthus wins against Volibear 56.79% of the time which is 5.64% higher against Volibear than the average opponent.
After normalising both champions win rates Karthus wins against Volibear 2.22% more often than would be expected.
The average opponent winrate against Volibear is 51.15%.


Jax
Grandmaster at Arms
Karthus wins against Jax 56.99% of the time which is 7.25% higher against Jax than the average opponent.
After normalising both champions win rates Karthus wins against Jax 3.82% more often than would be expected.
The average opponent winrate against Jax is 49.74%.


Singed
the Mad Chemist
Karthus wins against Singed 57.94% of the time which is 9.13% higher against Singed than the average opponent.
After normalising both champions win rates Karthus wins against Singed 5.70% more often than would be expected.
The average opponent winrate against Singed is 48.81%.


Jayce
the Defender of Tomorrow
Karthus wins against Jayce 57.96% of the time which is 6.17% higher against Jayce than the average opponent.
After normalising both champions win rates Karthus wins against Jayce 2.75% more often than would be expected.
The average opponent winrate against Jayce is 51.79%.


Urgot
the Dreadnought
Karthus wins against Urgot 58.12% of the time which is 9.68% higher against Urgot than the average opponent.
After normalising both champions win rates Karthus wins against Urgot 6.25% more often than would be expected.
The average opponent winrate against Urgot is 48.44%.


Gwen
The Hallowed Seamstress
Karthus wins against Gwen 59.45% of the time which is 9.07% higher against Gwen than the average opponent.
After normalising both champions win rates Karthus wins against Gwen 5.64% more often than would be expected.
The average opponent winrate against Gwen is 50.38%.


Yasuo
the Unforgiven
Karthus wins against Yasuo 60.90% of the time which is 9.86% higher against Yasuo than the average opponent.
After normalising both champions win rates Karthus wins against Yasuo 6.44% more often than would be expected.
The average opponent winrate against Yasuo is 51.04%.


Teemo
the Swift Scout
Karthus wins against Teemo 64.15% of the time which is 15.38% higher against Teemo than the average opponent.
After normalising both champions win rates Karthus wins against Teemo 11.95% more often than would be expected.
The average opponent winrate against Teemo is 48.77%.