

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: 7,117,527
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
Karthus bottom on Patch 15.17 is the strongest counter to support champions of Lulu, Thresh & Milio. While Karthus bottom is countered most by support champions of Nami, Bard & Nautilus. Below is a detailed breakdown of Karthus bottom counters against support champions with a minimum of 100 games.


Nami
Aquamancienne
Karthus wins against Nami 38.42% of the time which is 9.17% lower against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 11.69% less often than would be expected.
The average opponent winrate against Nami is 47.59%.


Bard
Gardien errant
Karthus wins against Bard 44.00% of the time which is 5.48% lower against Bard than the average opponent.
After normalising both champions win rates Karthus wins against Bard 8.00% less often than would be expected.
The average opponent winrate against Bard is 49.48%.


Nautilus
Titan des profondeurs
Karthus wins against Nautilus 49.58% of the time which is 0.51% lower against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 3.03% less often than would be expected.
The average opponent winrate against Nautilus is 50.09%.


Karma
Sagesse incarnée
Karthus wins against Karma 50.86% of the time which is 1.51% higher against Karma than the average opponent.
After normalising both champions win rates Karthus wins against Karma 1.01% less often than would be expected.
The average opponent winrate against Karma is 49.35%.


Soraka
Enfant des étoiles
Karthus wins against Soraka 51.75% of the time which is 4.04% higher against Soraka than the average opponent.
After normalising both champions win rates Karthus wins against Soraka 1.52% more often than would be expected.
The average opponent winrate against Soraka is 47.71%.


Milio
Douce flamme
Karthus wins against Milio 52.00% of the time which is 4.95% higher against Milio than the average opponent.
After normalising both champions win rates Karthus wins against Milio 2.43% more often than would be expected.
The average opponent winrate against Milio is 47.05%.


Thresh
Garde aux chaînes
Karthus wins against Thresh 58.79% of the time which is 9.99% higher against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 7.47% more often than would be expected.
The average opponent winrate against Thresh is 48.80%.


Lulu
Sorcière féérique
Karthus wins against Lulu 60.71% of the time which is 10.95% higher against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 8.43% more often than would be expected.
The average opponent winrate against Lulu is 49.76%.