

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: 7,190,813
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 15.16 to determine the strongest support counters. A matchup requires a minimum of 100 games to be displayed.


Nami
La Invocadora de Mareas
Karthus wins against Nami 49.46% of the time which is 2.81% higher against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 1.45% less often than would be expected.
The average opponent winrate against Nami is 46.65%.


Milio
la Llama Serena
Karthus wins against Milio 52.41% of the time which is 5.88% higher against Milio than the average opponent.
After normalising both champions win rates Karthus wins against Milio 1.62% more often than would be expected.
The average opponent winrate against Milio is 46.53%.


Thresh
El Carcelero Implacable
Karthus wins against Thresh 54.62% of the time which is 6.55% higher against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 2.29% more often than would be expected.
The average opponent winrate against Thresh is 48.07%.


Lulu
El Hada Hechicera
Karthus wins against Lulu 55.24% of the time which is 6.34% higher against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 2.08% more often than would be expected.
The average opponent winrate against Lulu is 48.90%.