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: 23,561,709
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 bottom vs support Counters
Presently there is insufficent games played by Karthus bottom on Patch 14.13 to determine the strongest support counters. A matchup requires a minimum of 100 games to be displayed.
Leona
Promyk Jutrzenki
Karthus wins against Leona 47.15% of the time which is 1.09% lower against Leona than the average opponent.
After normalising both champions win rates Karthus wins against Leona 1.69% less often than would be expected.
The average opponent winrate against Leonais 48.24%.
Lux
Pani Jasności
Karthus wins against Lux 50.25% of the time which is 1.00% higher against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 0.40% more often than would be expected.
The average opponent winrate against Luxis 49.25%.
Morgana
Upadła
Karthus wins against Morgana 50.48% of the time which is 1.20% higher against Morgana than the average opponent.
After normalising both champions win rates Karthus wins against Morgana 0.60% more often than would be expected.
The average opponent winrate against Morganais 49.28%.
Nautilus
Tytan Głębin
Karthus wins against Nautilus 58.25% of the time which is 7.34% higher against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 6.74% more often than would be expected.
The average opponent winrate against Nautilusis 50.91%.