

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.
Master Champions Analysed: 979,545
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 jungle vs support Counters
Karthus jungle on Patch 15.12 is the strongest counter to support champions of Alistar, Nautilus & Thresh. While Karthus jungle is countered most by support champions of Nami, Lulu & Rell. Below is a detailed breakdown of Karthus jungle counters against support champions with a minimum of 100 games.


Nami
the Tidecaller
Karthus wins against Nami 47.33% of the time which is 0.46% lower against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 5.01% less often than would be expected.
The average opponent winrate against Nami is 47.79%.


Lulu
the Fae Sorceress
Karthus wins against Lulu 48.97% of the time which is 1.46% higher against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 3.09% less often than would be expected.
The average opponent winrate against Lulu is 47.51%.


Rell
the Iron Maiden
Karthus wins against Rell 49.12% of the time which is 1.72% higher against Rell than the average opponent.
After normalising both champions win rates Karthus wins against Rell 2.83% less often than would be expected.
The average opponent winrate against Rell is 47.40%.


Karma
the Enlightened One
Karthus wins against Karma 49.61% of the time which is 0.22% higher against Karma than the average opponent.
After normalising both champions win rates Karthus wins against Karma 4.33% less often than would be expected.
The average opponent winrate against Karma is 49.39%.


Rakan
The Charmer
Karthus wins against Rakan 53.64% of the time which is 5.32% higher against Rakan than the average opponent.
After normalising both champions win rates Karthus wins against Rakan 0.77% more often than would be expected.
The average opponent winrate against Rakan is 48.32%.


Thresh
the Chain Warden
Karthus wins against Thresh 54.70% of the time which is 7.28% higher against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 2.73% more often than would be expected.
The average opponent winrate against Thresh is 47.42%.


Nautilus
the Titan of the Depths
Karthus wins against Nautilus 55.22% of the time which is 6.80% higher against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 2.25% more often than would be expected.
The average opponent winrate against Nautilus is 48.42%.


Alistar
the Minotaur
Karthus wins against Alistar 63.64% of the time which is 15.81% higher against Alistar than the average opponent.
After normalising both champions win rates Karthus wins against Alistar 11.26% more often than would be expected.
The average opponent winrate against Alistar is 47.83%.