

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.
Iron Champions Analysed: 23,433,129
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 30 is the strongest counter to top champions of Gragas, Camille & Yunara. While Karthus jungle is countered most by top champions of Dr. Mundo, Ornn & Smolder. Below is a detailed breakdown of Karthus jungle counters against top champions with a minimum of 100 games.


Dr. Mundo
the Madman of Zaun
Karthus wins against Dr. Mundo 40.28% of the time which is 8.34% lower against Dr. Mundo than the average opponent.
After normalising both champions win rates Karthus wins against Dr. Mundo 5.56% less often than would be expected.
The average opponent winrate against Dr. Mundo is 48.62%.


Ornn
The Fire below the Mountain
Karthus wins against Ornn 42.23% of the time which is 7.68% lower against Ornn than the average opponent.
After normalising both champions win rates Karthus wins against Ornn 4.90% less often than would be expected.
The average opponent winrate against Ornn is 49.91%.


Smolder
the Fiery Fledgling
Karthus wins against Smolder 43.00% of the time which is 10.06% lower against Smolder than the average opponent.
After normalising both champions win rates Karthus wins against Smolder 7.28% less often than would be expected.
The average opponent winrate against Smolder is 53.06%.


Yorick
Shepherd of Souls
Karthus wins against Yorick 43.02% of the time which is 4.33% lower against Yorick than the average opponent.
After normalising both champions win rates Karthus wins against Yorick 1.56% less often than would be expected.
The average opponent winrate against Yorick is 47.35%.


Tryndamere
the Barbarian King
Karthus wins against Tryndamere 43.51% of the time which is 7.15% lower against Tryndamere than the average opponent.
After normalising both champions win rates Karthus wins against Tryndamere 4.37% less often than would be expected.
The average opponent winrate against Tryndamere is 50.66%.


Sett
the Boss
Karthus wins against Sett 43.63% of the time which is 4.09% lower against Sett than the average opponent.
After normalising both champions win rates Karthus wins against Sett 1.32% less often than would be expected.
The average opponent winrate against Sett is 47.72%.


Warwick
the Uncaged Wrath of Zaun
Karthus wins against Warwick 44.10% of the time which is 4.50% lower against Warwick than the average opponent.
After normalising both champions win rates Karthus wins against Warwick 1.72% less often than would be expected.
The average opponent winrate against Warwick is 48.60%.


Singed
the Mad Chemist
Karthus wins against Singed 44.64% of the time which is 3.65% lower against Singed than the average opponent.
After normalising both champions win rates Karthus wins against Singed 0.88% less often than would be expected.
The average opponent winrate against Singed is 48.29%.


Urgot
the Dreadnought
Karthus wins against Urgot 44.92% of the time which is 3.80% lower against Urgot than the average opponent.
After normalising both champions win rates Karthus wins against Urgot 1.02% less often than would be expected.
The average opponent winrate against Urgot is 48.72%.


Aurora
the Witch Between Worlds
Karthus wins against Aurora 45.00% of the time which is 7.17% lower against Aurora than the average opponent.
After normalising both champions win rates Karthus wins against Aurora 4.39% less often than would be expected.
The average opponent winrate against Aurora is 52.17%.


Garen
The Might of Demacia
Karthus wins against Garen 45.16% of the time which is 4.58% lower against Garen than the average opponent.
After normalising both champions win rates Karthus wins against Garen 1.80% less often than would be expected.
The average opponent winrate against Garen is 49.74%.


Trundle
the Troll King
Karthus wins against Trundle 45.19% of the time which is 4.02% lower against Trundle than the average opponent.
After normalising both champions win rates Karthus wins against Trundle 1.24% less often than would be expected.
The average opponent winrate against Trundle is 49.21%.


Teemo
the Swift Scout
Karthus wins against Teemo 45.49% of the time which is 3.20% lower against Teemo than the average opponent.
After normalising both champions win rates Karthus wins against Teemo 0.42% less often than would be expected.
The average opponent winrate against Teemo is 48.69%.


Sion
The Undead Juggernaut
Karthus wins against Sion 45.92% of the time which is 2.68% lower against Sion than the average opponent.
After normalising both champions win rates Karthus wins against Sion 0.10% more often than would be expected.
The average opponent winrate against Sion is 48.60%.


Shen
the Eye of Twilight
Karthus wins against Shen 46.01% of the time which is 4.81% lower against Shen than the average opponent.
After normalising both champions win rates Karthus wins against Shen 2.03% less often than would be expected.
The average opponent winrate against Shen is 50.82%.


Irelia
the Blade Dancer
Karthus wins against Irelia 46.05% of the time which is 5.39% lower against Irelia than the average opponent.
After normalising both champions win rates Karthus wins against Irelia 2.61% less often than would be expected.
The average opponent winrate against Irelia is 51.44%.


Cho'Gath
the Terror of the Void
Karthus wins against Cho'Gath 46.51% of the time which is 3.46% lower against Cho'Gath than the average opponent.
After normalising both champions win rates Karthus wins against Cho'Gath 0.68% less often than would be expected.
The average opponent winrate against Cho'Gath is 49.97%.


Malphite
Shard of the Monolith
Karthus wins against Malphite 46.57% of the time which is 2.72% lower against Malphite than the average opponent.
After normalising both champions win rates Karthus wins against Malphite 0.06% more often than would be expected.
The average opponent winrate against Malphite is 49.29%.


Fiora
the Grand Duelist
Karthus wins against Fiora 46.62% of the time which is 4.81% lower against Fiora than the average opponent.
After normalising both champions win rates Karthus wins against Fiora 2.03% less often than would be expected.
The average opponent winrate against Fiora is 51.43%.


Kled
the Cantankerous Cavalier
Karthus wins against Kled 46.74% of the time which is 4.34% lower against Kled than the average opponent.
After normalising both champions win rates Karthus wins against Kled 1.56% less often than would be expected.
The average opponent winrate against Kled is 51.08%.


Sylas
the Unshackled
Karthus wins against Sylas 47.10% of the time which is 4.98% lower against Sylas than the average opponent.
After normalising both champions win rates Karthus wins against Sylas 2.20% less often than would be expected.
The average opponent winrate against Sylas is 52.08%.


Heimerdinger
the Revered Inventor
Karthus wins against Heimerdinger 47.22% of the time which is 2.18% lower against Heimerdinger than the average opponent.
After normalising both champions win rates Karthus wins against Heimerdinger 0.60% more often than would be expected.
The average opponent winrate against Heimerdinger is 49.40%.


Mordekaiser
the Iron Revenant
Karthus wins against Mordekaiser 47.39% of the time which is 0.89% lower against Mordekaiser than the average opponent.
After normalising both champions win rates Karthus wins against Mordekaiser 1.88% more often than would be expected.
The average opponent winrate against Mordekaiser is 48.28%.


Rumble
the Mechanized Menace
Karthus wins against Rumble 47.57% of the time which is 6.25% lower against Rumble than the average opponent.
After normalising both champions win rates Karthus wins against Rumble 3.48% less often than would be expected.
The average opponent winrate against Rumble is 53.82%.


Illaoi
the Kraken Priestess
Karthus wins against Illaoi 47.82% of the time which is 2.15% lower against Illaoi than the average opponent.
After normalising both champions win rates Karthus wins against Illaoi 0.63% more often than would be expected.
The average opponent winrate against Illaoi is 49.97%.


Nasus
the Curator of the Sands
Karthus wins against Nasus 48.28% of the time which is 1.28% lower against Nasus than the average opponent.
After normalising both champions win rates Karthus wins against Nasus 1.50% more often than would be expected.
The average opponent winrate against Nasus is 49.56%.


K'Sante
the Pride of Nazumah
Karthus wins against K'Sante 48.91% of the time which is 6.89% lower against K'Sante than the average opponent.
After normalising both champions win rates Karthus wins against K'Sante 4.13% less often than would be expected.
The average opponent winrate against K'Sante is 55.80%.


Ambessa
Matriarch of War
Karthus wins against Ambessa 49.04% of the time which is 4.19% lower against Ambessa than the average opponent.
After normalising both champions win rates Karthus wins against Ambessa 1.41% less often than would be expected.
The average opponent winrate against Ambessa is 53.23%.


Jax
Grandmaster at Arms
Karthus wins against Jax 49.28% of the time which is 1.39% lower against Jax than the average opponent.
After normalising both champions win rates Karthus wins against Jax 1.39% more often than would be expected.
The average opponent winrate against Jax is 50.67%.


Riven
the Exile
Karthus wins against Riven 49.48% of the time which is 6.00% lower against Riven than the average opponent.
After normalising both champions win rates Karthus wins against Riven 3.24% less often than would be expected.
The average opponent winrate against Riven is 55.48%.


Yasuo
the Unforgiven
Karthus wins against Yasuo 49.54% of the time which is 2.27% lower against Yasuo than the average opponent.
After normalising both champions win rates Karthus wins against Yasuo 0.51% more often than would be expected.
The average opponent winrate against Yasuo is 51.81%.


Kayle
the Righteous
Karthus wins against Kayle 49.64% of the time which is 0.22% higher against Kayle than the average opponent.
After normalising both champions win rates Karthus wins against Kayle 3.00% more often than would be expected.
The average opponent winrate against Kayle is 49.42%.


Renekton
the Butcher of the Sands
Karthus wins against Renekton 49.70% of the time which is 0.99% lower against Renekton than the average opponent.
After normalising both champions win rates Karthus wins against Renekton 1.79% more often than would be expected.
The average opponent winrate against Renekton is 50.69%.


Aatrox
the Darkin Blade
Karthus wins against Aatrox 49.94% of the time which is 3.36% lower against Aatrox than the average opponent.
After normalising both champions win rates Karthus wins against Aatrox 0.58% less often than would be expected.
The average opponent winrate against Aatrox is 53.30%.


Gnar
the Missing Link
Karthus wins against Gnar 50.00% of the time which is 3.17% lower against Gnar than the average opponent.
After normalising both champions win rates Karthus wins against Gnar 0.39% less often than would be expected.
The average opponent winrate against Gnar is 53.17%.


Darius
the Hand of Noxus
Karthus wins against Darius 50.13% of the time which is 2.08% lower against Darius than the average opponent.
After normalising both champions win rates Karthus wins against Darius 0.70% more often than would be expected.
The average opponent winrate against Darius is 52.21%.


Gangplank
the Saltwater Scourge
Karthus wins against Gangplank 50.40% of the time which is 2.06% lower against Gangplank than the average opponent.
After normalising both champions win rates Karthus wins against Gangplank 0.72% more often than would be expected.
The average opponent winrate against Gangplank is 52.46%.


Volibear
the Relentless Storm
Karthus wins against Volibear 50.82% of the time which is 0.44% higher against Volibear than the average opponent.
After normalising both champions win rates Karthus wins against Volibear 3.22% more often than would be expected.
The average opponent winrate against Volibear is 50.38%.


Jayce
the Defender of Tomorrow
Karthus wins against Jayce 51.13% of the time which is 2.65% lower against Jayce than the average opponent.
After normalising both champions win rates Karthus wins against Jayce 0.12% more often than would be expected.
The average opponent winrate against Jayce is 53.78%.


Pantheon
the Unbreakable Spear
Karthus wins against Pantheon 51.29% of the time which is 0.79% lower against Pantheon than the average opponent.
After normalising both champions win rates Karthus wins against Pantheon 1.99% more often than would be expected.
The average opponent winrate against Pantheon is 52.08%.


Vayne
the Night Hunter
Karthus wins against Vayne 51.66% of the time which is 1.35% lower against Vayne than the average opponent.
After normalising both champions win rates Karthus wins against Vayne 1.43% more often than would be expected.
The average opponent winrate against Vayne is 53.01%.


Olaf
the Berserker
Karthus wins against Olaf 51.94% of the time which is 0.04% higher against Olaf than the average opponent.
After normalising both champions win rates Karthus wins against Olaf 2.82% more often than would be expected.
The average opponent winrate against Olaf is 51.90%.


Quinn
Demacia's Wings
Karthus wins against Quinn 51.94% of the time which is 0.26% higher against Quinn than the average opponent.
After normalising both champions win rates Karthus wins against Quinn 3.04% more often than would be expected.
The average opponent winrate against Quinn is 51.68%.


Akali
the Rogue Assassin
Karthus wins against Akali 52.05% of the time which is 0.89% higher against Akali than the average opponent.
After normalising both champions win rates Karthus wins against Akali 3.67% more often than would be expected.
The average opponent winrate against Akali is 51.16%.


Yone
the Unforgotten
Karthus wins against Yone 52.90% of the time which is 1.05% higher against Yone than the average opponent.
After normalising both champions win rates Karthus wins against Yone 3.83% more often than would be expected.
The average opponent winrate against Yone is 51.85%.


Gwen
The Hallowed Seamstress
Karthus wins against Gwen 53.70% of the time which is 1.28% lower against Gwen than the average opponent.
After normalising both champions win rates Karthus wins against Gwen 1.49% more often than would be expected.
The average opponent winrate against Gwen is 54.98%.


Vladimir
the Crimson Reaper
Karthus wins against Vladimir 53.96% of the time which is 1.75% higher against Vladimir than the average opponent.
After normalising both champions win rates Karthus wins against Vladimir 4.53% more often than would be expected.
The average opponent winrate against Vladimir is 52.21%.


Kennen
the Heart of the Tempest
Karthus wins against Kennen 54.44% of the time which is 2.59% higher against Kennen than the average opponent.
After normalising both champions win rates Karthus wins against Kennen 5.37% more often than would be expected.
The average opponent winrate against Kennen is 51.85%.


Tahm Kench
The River King
Karthus wins against Tahm Kench 54.59% of the time which is 3.81% higher against Tahm Kench than the average opponent.
After normalising both champions win rates Karthus wins against Tahm Kench 6.59% more often than would be expected.
The average opponent winrate against Tahm Kench is 50.78%.


Yunara
the Unbroken Faith
Karthus wins against Yunara 55.14% of the time which is 3.34% lower against Yunara than the average opponent.
After normalising both champions win rates Karthus wins against Yunara 0.61% less often than would be expected.
The average opponent winrate against Yunara is 58.48%.


Camille
the Steel Shadow
Karthus wins against Camille 57.38% of the time which is 2.05% higher against Camille than the average opponent.
After normalising both champions win rates Karthus wins against Camille 4.82% more often than would be expected.
The average opponent winrate against Camille is 55.33%.


Gragas
the Rabble Rouser
Karthus wins against Gragas 60.47% of the time which is 6.10% higher against Gragas than the average opponent.
After normalising both champions win rates Karthus wins against Gragas 8.87% more often than would be expected.
The average opponent winrate against Gragas is 54.37%.