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: 27,997,422
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 top vs support Counters
Presently there is insufficent games played by Karthus top on Patch 14.7 to determine the strongest support counters. A matchup requires a minimum of 100 games to be displayed.
Thresh
o Guardião das Correntes
Karthus wins against Thresh 46.48% of the time which is 1.66% lower against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 4.03% less often than would be expected.
The average opponent winrate against Threshis 48.14%.
Nami
a Conjuradora das Marés
Karthus wins against Nami 46.73% of the time which is 0.26% lower against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 2.63% less often than would be expected.
The average opponent winrate against Namiis 46.99%.
Janna
a Fúria da Tormenta
Karthus wins against Janna 47.27% of the time which is 1.04% higher against Janna than the average opponent.
After normalising both champions win rates Karthus wins against Janna 1.33% less often than would be expected.
The average opponent winrate against Jannais 46.23%.
Nautilus
o Titã das Profundezas
Karthus wins against Nautilus 54.21% of the time which is 4.54% higher against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 2.17% more often than would be expected.
The average opponent winrate against Nautilusis 49.67%.
Lulu
a Fada Feiticeira
Karthus wins against Lulu 57.89% of the time which is 9.74% higher against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 7.37% more often than would be expected.
The average opponent winrate against Luluis 48.15%.