

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: 15,195,195
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 14 is the strongest counter to top champions of Gwen, Warwick & Gangplank. While Karthus bottom is countered most by top champions of Gragas, Fiora & Renekton. Below is a detailed breakdown of Karthus bottom counters against top champions with a minimum of 100 games.


Gragas
the Rabble Rouser
Karthus wins against Gragas 44.55% of the time which is 4.72% lower against Gragas than the average opponent.
After normalising both champions win rates Karthus wins against Gragas 8.10% less often than would be expected.
The average opponent winrate against Gragas is 49.27%.


Fiora
the Grand Duelist
Karthus wins against Fiora 45.74% of the time which is 3.29% lower against Fiora than the average opponent.
After normalising both champions win rates Karthus wins against Fiora 6.67% less often than would be expected.
The average opponent winrate against Fiora is 49.03%.


Renekton
the Butcher of the Sands
Karthus wins against Renekton 47.32% of the time which is 3.06% lower against Renekton than the average opponent.
After normalising both champions win rates Karthus wins against Renekton 6.44% less often than would be expected.
The average opponent winrate against Renekton is 50.38%.


Sett
the Boss
Karthus wins against Sett 47.37% of the time which is 1.88% lower against Sett than the average opponent.
After normalising both champions win rates Karthus wins against Sett 5.26% less often than would be expected.
The average opponent winrate against Sett is 49.25%.


Ornn
The Fire below the Mountain
Karthus wins against Ornn 47.69% of the time which is 1.37% lower against Ornn than the average opponent.
After normalising both champions win rates Karthus wins against Ornn 4.75% less often than would be expected.
The average opponent winrate against Ornn is 49.06%.


Camille
the Steel Shadow
Karthus wins against Camille 50.34% of the time which is 1.38% higher against Camille than the average opponent.
After normalising both champions win rates Karthus wins against Camille 2.00% less often than would be expected.
The average opponent winrate against Camille is 48.96%.


Mordekaiser
the Iron Revenant
Karthus wins against Mordekaiser 50.69% of the time which is 1.74% higher against Mordekaiser than the average opponent.
After normalising both champions win rates Karthus wins against Mordekaiser 1.64% less often than would be expected.
The average opponent winrate against Mordekaiser is 48.95%.


Sion
The Undead Juggernaut
Karthus wins against Sion 50.82% of the time which is 0.18% higher against Sion than the average opponent.
After normalising both champions win rates Karthus wins against Sion 3.20% less often than would be expected.
The average opponent winrate against Sion is 50.64%.


Cho'Gath
the Terror of the Void
Karthus wins against Cho'Gath 50.85% of the time which is 1.50% higher against Cho'Gath than the average opponent.
After normalising both champions win rates Karthus wins against Cho'Gath 1.88% less often than would be expected.
The average opponent winrate against Cho'Gath is 49.35%.


Kayle
the Righteous
Karthus wins against Kayle 51.46% of the time which is 2.63% higher against Kayle than the average opponent.
After normalising both champions win rates Karthus wins against Kayle 0.75% less often than would be expected.
The average opponent winrate against Kayle is 48.83%.


Aatrox
the Darkin Blade
Karthus wins against Aatrox 53.44% of the time which is 2.82% higher against Aatrox than the average opponent.
After normalising both champions win rates Karthus wins against Aatrox 0.56% less often than would be expected.
The average opponent winrate against Aatrox is 50.62%.


Riven
the Exile
Karthus wins against Riven 53.47% of the time which is 3.48% higher against Riven than the average opponent.
After normalising both champions win rates Karthus wins against Riven 0.10% more often than would be expected.
The average opponent winrate against Riven is 49.99%.


Vladimir
the Crimson Reaper
Karthus wins against Vladimir 53.70% of the time which is 4.17% higher against Vladimir than the average opponent.
After normalising both champions win rates Karthus wins against Vladimir 0.79% more often than would be expected.
The average opponent winrate against Vladimir is 49.53%.


Irelia
the Blade Dancer
Karthus wins against Irelia 53.91% of the time which is 4.92% higher against Irelia than the average opponent.
After normalising both champions win rates Karthus wins against Irelia 1.54% more often than would be expected.
The average opponent winrate against Irelia is 48.99%.


Garen
The Might of Demacia
Karthus wins against Garen 53.96% of the time which is 4.05% higher against Garen than the average opponent.
After normalising both champions win rates Karthus wins against Garen 0.67% more often than would be expected.
The average opponent winrate against Garen is 49.91%.


Ambessa
Matriarch of War
Karthus wins against Ambessa 54.55% of the time which is 3.95% higher against Ambessa than the average opponent.
After normalising both champions win rates Karthus wins against Ambessa 0.57% more often than would be expected.
The average opponent winrate against Ambessa is 50.60%.


Malphite
Shard of the Monolith
Karthus wins against Malphite 54.70% of the time which is 6.46% higher against Malphite than the average opponent.
After normalising both champions win rates Karthus wins against Malphite 3.08% more often than would be expected.
The average opponent winrate against Malphite is 48.24%.


Dr. Mundo
the Madman of Zaun
Karthus wins against Dr. Mundo 54.79% of the time which is 4.19% higher against Dr. Mundo than the average opponent.
After normalising both champions win rates Karthus wins against Dr. Mundo 0.81% more often than would be expected.
The average opponent winrate against Dr. Mundo is 50.60%.


Jax
Grandmaster at Arms
Karthus wins against Jax 55.96% of the time which is 6.03% higher against Jax than the average opponent.
After normalising both champions win rates Karthus wins against Jax 2.65% more often than would be expected.
The average opponent winrate against Jax is 49.93%.


Darius
the Hand of Noxus
Karthus wins against Darius 56.19% of the time which is 5.85% higher against Darius than the average opponent.
After normalising both champions win rates Karthus wins against Darius 2.47% more often than would be expected.
The average opponent winrate against Darius is 50.34%.


K'Sante
the Pride of Nazumah
Karthus wins against K'Sante 56.45% of the time which is 4.09% higher against K'Sante than the average opponent.
After normalising both champions win rates Karthus wins against K'Sante 0.73% more often than would be expected.
The average opponent winrate against K'Sante is 52.36%.


Shen
the Eye of Twilight
Karthus wins against Shen 57.04% of the time which is 8.26% higher against Shen than the average opponent.
After normalising both champions win rates Karthus wins against Shen 4.88% more often than would be expected.
The average opponent winrate against Shen is 48.78%.


Jayce
the Defender of Tomorrow
Karthus wins against Jayce 57.98% of the time which is 5.92% higher against Jayce than the average opponent.
After normalising both champions win rates Karthus wins against Jayce 2.56% more often than would be expected.
The average opponent winrate against Jayce is 52.06%.


Gangplank
the Saltwater Scourge
Karthus wins against Gangplank 58.65% of the time which is 8.62% higher against Gangplank than the average opponent.
After normalising both champions win rates Karthus wins against Gangplank 5.24% more often than would be expected.
The average opponent winrate against Gangplank is 50.03%.


Warwick
the Uncaged Wrath of Zaun
Karthus wins against Warwick 59.00% of the time which is 12.04% higher against Warwick than the average opponent.
After normalising both champions win rates Karthus wins against Warwick 8.66% more often than would be expected.
The average opponent winrate against Warwick is 46.96%.


Gwen
The Hallowed Seamstress
Karthus wins against Gwen 62.42% of the time which is 11.95% higher against Gwen than the average opponent.
After normalising both champions win rates Karthus wins against Gwen 8.57% more often than would be expected.
The average opponent winrate against Gwen is 50.47%.