

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: 33,541,286
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
Karthus support on Patch 30 is the strongest counter to support champions of Seraphine, Lux & Nautilus. While Karthus support is countered most by support champions of Leona, Thresh & Morgana. Below is a detailed breakdown of Karthus support counters against support champions with a minimum of 100 games.


Leona
l'alba raggiante
Karthus wins against Leona 44.70% of the time which is 4.14% lower against Leona than the average opponent.
After normalising both champions win rates Karthus wins against Leona 3.23% less often than would be expected.
The average opponent winrate against Leona is 48.84%.


Thresh
Il carceriere
Karthus wins against Thresh 48.54% of the time which is 1.93% lower against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 1.02% less often than would be expected.
The average opponent winrate against Thresh is 50.47%.


Morgana
la Caduta
Karthus wins against Morgana 50.29% of the time which is 2.08% higher against Morgana than the average opponent.
After normalising both champions win rates Karthus wins against Morgana 2.99% more often than would be expected.
The average opponent winrate against Morgana is 48.21%.


Nautilus
il titano delle profondità
Karthus wins against Nautilus 51.45% of the time which is 0.62% higher against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 1.53% more often than would be expected.
The average opponent winrate against Nautilus is 50.83%.


Lux
la signora della luminosità
Karthus wins against Lux 52.41% of the time which is 3.18% higher against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 4.09% more often than would be expected.
The average opponent winrate against Lux is 49.23%.


Seraphine
la cantante sognatrice
Karthus wins against Seraphine 55.34% of the time which is 5.00% higher against Seraphine than the average opponent.
After normalising both champions win rates Karthus wins against Seraphine 5.91% more often than would be expected.
The average opponent winrate against Seraphine is 50.34%.