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: 21,763,997
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 middle vs top Counters
Presently there is insufficent games played by Karthus middle on Patch 14.19 to determine the strongest top counters. A matchup requires a minimum of 100 games to be displayed.
Camille
la Sombra de Acero
Karthus wins against Camille 46.67% of the time which is 0.32% lower against Camille than the average opponent.
After normalising both champions win rates Karthus wins against Camille 1.60% less often than would be expected.
The average opponent winrate against Camilleis 46.99%.
Jax
El Maestro de Armas
Karthus wins against Jax 50.46% of the time which is 1.31% higher against Jax than the average opponent.
After normalising both champions win rates Karthus wins against Jax 0.03% more often than would be expected.
The average opponent winrate against Jaxis 49.15%.
Aatrox
la Espada de los Oscuros
Karthus wins against Aatrox 56.13% of the time which is 6.74% higher against Aatrox than the average opponent.
After normalising both champions win rates Karthus wins against Aatrox 5.46% more often than would be expected.
The average opponent winrate against Aatroxis 49.39%.