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: 12,462,327
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 bottom Counters
Presently there is insufficent games played by Karthus middle on Patch 7 to determine the strongest bottom counters. A matchup requires a minimum of 100 games to be displayed.
Kai'Sa
Tochter der Leere
Karthus wins against Kai'Sa 47.85% of the time which is 0.29% lower against Kai'Sa than the average opponent.
After normalising both champions win rates Karthus wins against Kai'Sa 2.45% less often than would be expected.
The average opponent winrate against Kai'Sais 48.14%.
Jinx
die Schießwütige
Karthus wins against Jinx 48.59% of the time which is 1.10% higher against Jinx than the average opponent.
After normalising both champions win rates Karthus wins against Jinx 1.06% less often than would be expected.
The average opponent winrate against Jinxis 47.49%.
Jhin
der Virtuose
Karthus wins against Jhin 50.97% of the time which is 4.35% higher against Jhin than the average opponent.
After normalising both champions win rates Karthus wins against Jhin 2.19% more often than would be expected.
The average opponent winrate against Jhinis 46.62%.
Ezreal
der verwegene Forscher
Karthus wins against Ezreal 51.88% of the time which is 1.56% higher against Ezreal than the average opponent.
After normalising both champions win rates Karthus wins against Ezreal 0.60% less often than would be expected.
The average opponent winrate against Ezrealis 50.32%.