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.
Platinum+ Champions Analysed: 47,445,255
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 14.7 to determine the strongest support counters. A matchup requires a minimum of 100 games to be displayed.
Nami
a Conjuradora das Marés
Karthus wins against Nami 33.00% of the time which is 14.47% lower against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 11.04% less often than would be expected.
The average opponent winrate against Namiis 47.47%.
Lulu
a Fada Feiticeira
Karthus wins against Lulu 50.00% of the time which is 1.14% higher against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 4.59% more often than would be expected.
The average opponent winrate against Luluis 48.86%.
Thresh
o Guardião das Correntes
Karthus wins against Thresh 59.56% of the time which is 10.67% higher against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 14.12% more often than would be expected.
The average opponent winrate against Threshis 48.89%.