

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: 13,308,214
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 15.15 is the strongest counter to top champions of Yone, Jax & Darius. While Karthus bottom is countered most by top champions of Ornn, Irelia & Fiora. Below is a detailed breakdown of Karthus bottom counters against top champions with a minimum of 100 games.


Ornn
The Fire below the Mountain
Karthus wins against Ornn 45.08% of the time which is 4.15% lower against Ornn than the average opponent.
After normalising both champions win rates Karthus wins against Ornn 7.04% less often than would be expected.
The average opponent winrate against Ornn is 49.23%.


Irelia
the Blade Dancer
Karthus wins against Irelia 47.54% of the time which is 1.68% lower against Irelia than the average opponent.
After normalising both champions win rates Karthus wins against Irelia 4.57% less often than would be expected.
The average opponent winrate against Irelia is 49.22%.


Fiora
the Grand Duelist
Karthus wins against Fiora 49.71% of the time which is 0.48% higher against Fiora than the average opponent.
After normalising both champions win rates Karthus wins against Fiora 2.41% less often than would be expected.
The average opponent winrate against Fiora is 49.23%.


Camille
the Steel Shadow
Karthus wins against Camille 50.00% of the time which is 0.81% higher against Camille than the average opponent.
After normalising both champions win rates Karthus wins against Camille 2.08% less often than would be expected.
The average opponent winrate against Camille is 49.19%.


Aatrox
the Darkin Blade
Karthus wins against Aatrox 50.42% of the time which is 0.08% lower against Aatrox than the average opponent.
After normalising both champions win rates Karthus wins against Aatrox 2.97% less often than would be expected.
The average opponent winrate against Aatrox is 50.50%.


Renekton
the Butcher of the Sands
Karthus wins against Renekton 50.74% of the time which is 0.13% higher against Renekton than the average opponent.
After normalising both champions win rates Karthus wins against Renekton 2.76% less often than would be expected.
The average opponent winrate against Renekton is 50.61%.


Sett
the Boss
Karthus wins against Sett 50.80% of the time which is 1.39% higher against Sett than the average opponent.
After normalising both champions win rates Karthus wins against Sett 1.50% less often than would be expected.
The average opponent winrate against Sett is 49.41%.


Mordekaiser
the Iron Revenant
Karthus wins against Mordekaiser 51.56% of the time which is 2.34% higher against Mordekaiser than the average opponent.
After normalising both champions win rates Karthus wins against Mordekaiser 0.55% less often than would be expected.
The average opponent winrate against Mordekaiser is 49.22%.


Dr. Mundo
the Madman of Zaun
Karthus wins against Dr. Mundo 51.70% of the time which is 1.03% higher against Dr. Mundo than the average opponent.
After normalising both champions win rates Karthus wins against Dr. Mundo 1.86% less often than would be expected.
The average opponent winrate against Dr. Mundo is 50.67%.


Shen
the Eye of Twilight
Karthus wins against Shen 51.76% of the time which is 2.99% higher against Shen than the average opponent.
After normalising both champions win rates Karthus wins against Shen 0.10% more often than would be expected.
The average opponent winrate against Shen is 48.77%.


Cho'Gath
the Terror of the Void
Karthus wins against Cho'Gath 52.00% of the time which is 3.07% higher against Cho'Gath than the average opponent.
After normalising both champions win rates Karthus wins against Cho'Gath 0.18% more often than would be expected.
The average opponent winrate against Cho'Gath is 48.93%.


Malphite
Shard of the Monolith
Karthus wins against Malphite 52.14% of the time which is 3.64% higher against Malphite than the average opponent.
After normalising both champions win rates Karthus wins against Malphite 0.75% more often than would be expected.
The average opponent winrate against Malphite is 48.50%.


Gragas
the Rabble Rouser
Karthus wins against Gragas 52.73% of the time which is 3.35% higher against Gragas than the average opponent.
After normalising both champions win rates Karthus wins against Gragas 0.46% more often than would be expected.
The average opponent winrate against Gragas is 49.38%.


Garen
The Might of Demacia
Karthus wins against Garen 54.20% of the time which is 4.40% higher against Garen than the average opponent.
After normalising both champions win rates Karthus wins against Garen 1.51% more often than would be expected.
The average opponent winrate against Garen is 49.80%.


Sion
The Undead Juggernaut
Karthus wins against Sion 54.40% of the time which is 3.64% higher against Sion than the average opponent.
After normalising both champions win rates Karthus wins against Sion 0.75% more often than would be expected.
The average opponent winrate against Sion is 50.76%.


Gwen
The Hallowed Seamstress
Karthus wins against Gwen 54.41% of the time which is 3.75% higher against Gwen than the average opponent.
After normalising both champions win rates Karthus wins against Gwen 0.86% more often than would be expected.
The average opponent winrate against Gwen is 50.66%.


K'Sante
the Pride of Nazumah
Karthus wins against K'Sante 54.46% of the time which is 2.59% higher against K'Sante than the average opponent.
After normalising both champions win rates Karthus wins against K'Sante 0.29% less often than would be expected.
The average opponent winrate against K'Sante is 51.87%.


Riven
the Exile
Karthus wins against Riven 56.64% of the time which is 6.90% higher against Riven than the average opponent.
After normalising both champions win rates Karthus wins against Riven 4.01% more often than would be expected.
The average opponent winrate against Riven is 49.74%.


Ambessa
Matriarch of War
Karthus wins against Ambessa 57.14% of the time which is 6.69% higher against Ambessa than the average opponent.
After normalising both champions win rates Karthus wins against Ambessa 3.80% more often than would be expected.
The average opponent winrate against Ambessa is 50.45%.


Darius
the Hand of Noxus
Karthus wins against Darius 58.48% of the time which is 8.34% higher against Darius than the average opponent.
After normalising both champions win rates Karthus wins against Darius 5.45% more often than would be expected.
The average opponent winrate against Darius is 50.14%.


Jax
Grandmaster at Arms
Karthus wins against Jax 58.79% of the time which is 8.76% higher against Jax than the average opponent.
After normalising both champions win rates Karthus wins against Jax 5.87% more often than would be expected.
The average opponent winrate against Jax is 50.03%.


Yone
the Unforgotten
Karthus wins against Yone 60.58% of the time which is 8.42% higher against Yone than the average opponent.
After normalising both champions win rates Karthus wins against Yone 5.54% more often than would be expected.
The average opponent winrate against Yone is 52.16%.