

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: 1,223,598
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 15.17 is the strongest counter to support champions of Rell, Lulu & Nautilus. While Karthus jungle is countered most by support champions of Karma, Thresh & Rakan. Below is a detailed breakdown of Karthus jungle counters against support champions with a minimum of 100 games.


Karma
the Enlightened One
Karthus wins against Karma 38.62% of the time which is 8.38% lower against Karma than the average opponent.
After normalising both champions win rates Karthus wins against Karma 12.51% less often than would be expected.
The average opponent winrate against Karma is 47.00%.


Thresh
the Chain Warden
Karthus wins against Thresh 48.28% of the time which is 2.32% higher against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 1.80% less often than would be expected.
The average opponent winrate against Thresh is 45.96%.


Rakan
The Charmer
Karthus wins against Rakan 49.62% of the time which is 0.83% higher against Rakan than the average opponent.
After normalising both champions win rates Karthus wins against Rakan 3.30% less often than would be expected.
The average opponent winrate against Rakan is 48.79%.


Alistar
the Minotaur
Karthus wins against Alistar 50.76% of the time which is 1.82% higher against Alistar than the average opponent.
After normalising both champions win rates Karthus wins against Alistar 2.31% less often than would be expected.
The average opponent winrate against Alistar is 48.94%.


Nami
the Tidecaller
Karthus wins against Nami 50.87% of the time which is 3.59% higher against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 0.54% less often than would be expected.
The average opponent winrate against Nami is 47.28%.


Bard
the Wandering Caretaker
Karthus wins against Bard 51.80% of the time which is 4.15% higher against Bard than the average opponent.
After normalising both champions win rates Karthus wins against Bard 0.02% more often than would be expected.
The average opponent winrate against Bard is 47.65%.


Nautilus
the Titan of the Depths
Karthus wins against Nautilus 52.74% of the time which is 3.66% higher against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 0.47% less often than would be expected.
The average opponent winrate against Nautilus is 49.08%.


Lulu
the Fae Sorceress
Karthus wins against Lulu 56.52% of the time which is 8.98% higher against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 4.85% more often than would be expected.
The average opponent winrate against Lulu is 47.54%.


Rell
the Iron Maiden
Karthus wins against Rell 59.68% of the time which is 11.25% higher against Rell than the average opponent.
After normalising both champions win rates Karthus wins against Rell 7.12% more often than would be expected.
The average opponent winrate against Rell is 48.43%.