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.
Bronze Champions Analysed: 34,481,125
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 support vs support Counters
Karthus support on Patch 30 is the strongest counter to support champions of Nautilus, Lux & Morgana. While Karthus support is countered most by support champions of Nami, Leona & Thresh. Below is a detailed breakdown of Karthus support counters against support champions with a minimum of 100 games.
Nami
Vládkyně přílivu
Karthus wins against Nami 44.00% of the time which is 3.73% lower against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 2.54% less often than would be expected.
The average opponent winrate against Nami is 47.73%.
Leona
Zářivý úsvit
Karthus wins against Leona 44.19% of the time which is 4.50% lower against Leona than the average opponent.
After normalising both champions win rates Karthus wins against Leona 3.31% less often than would be expected.
The average opponent winrate against Leona is 48.69%.
Thresh
Řetězový strážce
Karthus wins against Thresh 47.00% of the time which is 3.26% lower against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 2.07% less often than would be expected.
The average opponent winrate against Thresh is 50.26%.
Morgana
Padlá
Karthus wins against Morgana 49.12% of the time which is 1.03% higher against Morgana than the average opponent.
After normalising both champions win rates Karthus wins against Morgana 2.22% more often than would be expected.
The average opponent winrate against Morgana is 48.09%.
Lux
Paní světla
Karthus wins against Lux 52.08% of the time which is 2.96% higher against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 4.15% more often than would be expected.
The average opponent winrate against Lux is 49.12%.
Nautilus
Titán z hlubin
Karthus wins against Nautilus 52.21% of the time which is 1.55% higher against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 2.74% more often than would be expected.
The average opponent winrate against Nautilus is 50.66%.





