

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.
Iron Champions Analysed: 20,540,515
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
Presently there is insufficent games played by Karthus support on Patch 30 to determine the strongest support counters. A matchup requires a minimum of 100 games to be displayed.


Lux
la Dama Luminosa
Karthus wins against Lux 43.06% of the time which is 7.51% lower against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 2.56% less often than would be expected.
The average opponent winrate against Lux is 50.57%.


Morgana
la Desolada
Karthus wins against Morgana 49.23% of the time which is 0.61% lower against Morgana than the average opponent.
After normalising both champions win rates Karthus wins against Morgana 4.34% more often than would be expected.
The average opponent winrate against Morgana is 49.84%.


Nautilus
el Titán de las Profundidades
Karthus wins against Nautilus 50.93% of the time which is 0.75% lower against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 4.20% more often than would be expected.
The average opponent winrate against Nautilus is 51.68%.