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: 55,281,290
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, Lulu & Thresh. While Karthus support is countered most by support champions of Milio, Nami & Soraka. Below is a detailed breakdown of Karthus support counters against support champions with a minimum of 100 games.
Milio
A Chama Gentil
Karthus wins against Milio 35.20% of the time which is 12.75% lower against Milio than the average opponent.
After normalising both champions win rates Karthus wins against Milio 9.32% less often than would be expected.
The average opponent winrate against Miliois 47.95%.
Nami
a Conjuradora das Marés
Karthus wins against Nami 39.16% of the time which is 8.59% lower against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 5.16% less often than would be expected.
The average opponent winrate against Namiis 47.75%.
Soraka
a Filha das Estrelas
Karthus wins against Soraka 40.20% of the time which is 7.33% lower against Soraka than the average opponent.
After normalising both champions win rates Karthus wins against Soraka 3.91% less often than would be expected.
The average opponent winrate against Sorakais 47.53%.
Lux
a Dama da Luz
Karthus wins against Lux 45.63% of the time which is 3.02% lower against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 0.42% more often than would be expected.
The average opponent winrate against Luxis 48.65%.
Thresh
o Guardião das Correntes
Karthus wins against Thresh 47.51% of the time which is 0.21% lower against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 3.22% more often than would be expected.
The average opponent winrate against Threshis 47.72%.
Lulu
a Fada Feiticeira
Karthus wins against Lulu 47.65% of the time which is 0.86% lower against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 2.58% more often than would be expected.
The average opponent winrate against Luluis 48.51%.
Nautilus
o Titã das Profundezas
Karthus wins against Nautilus 50.29% of the time which is 1.46% higher against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 4.91% more often than would be expected.
The average opponent winrate against Nautilusis 48.83%.