

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: 3,016,117
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 15.6 is the strongest counter to support champions of Rakan, Blitzcrank & Rell. While Karthus jungle is countered most by support champions of Yuumi, Janna & Senna. Below is a detailed breakdown of Karthus jungle counters against support champions with a minimum of 100 games.


Yuumi
the Magical Cat
Karthus wins against Yuumi 42.17% of the time which is 5.97% lower against Yuumi than the average opponent.
After normalising both champions win rates Karthus wins against Yuumi 7.66% less often than would be expected.
The average opponent winrate against Yuumi is 48.14%.


Janna
the Storm's Fury
Karthus wins against Janna 42.34% of the time which is 4.89% lower against Janna than the average opponent.
After normalising both champions win rates Karthus wins against Janna 6.58% less often than would be expected.
The average opponent winrate against Janna is 47.23%.


Senna
the Redeemer
Karthus wins against Senna 42.50% of the time which is 5.92% lower against Senna than the average opponent.
After normalising both champions win rates Karthus wins against Senna 7.61% less often than would be expected.
The average opponent winrate against Senna is 48.42%.


Seraphine
the Starry-Eyed Songstress
Karthus wins against Seraphine 42.57% of the time which is 6.59% lower against Seraphine than the average opponent.
After normalising both champions win rates Karthus wins against Seraphine 8.28% less often than would be expected.
The average opponent winrate against Seraphine is 49.16%.


Milio
The Gentle Flame
Karthus wins against Milio 44.74% of the time which is 3.27% lower against Milio than the average opponent.
After normalising both champions win rates Karthus wins against Milio 4.96% less often than would be expected.
The average opponent winrate against Milio is 48.01%.


Leona
the Radiant Dawn
Karthus wins against Leona 44.74% of the time which is 3.83% lower against Leona than the average opponent.
After normalising both champions win rates Karthus wins against Leona 5.52% less often than would be expected.
The average opponent winrate against Leona is 48.57%.


Lux
the Lady of Luminosity
Karthus wins against Lux 46.71% of the time which is 3.88% lower against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 5.57% less often than would be expected.
The average opponent winrate against Lux is 50.59%.


Thresh
the Chain Warden
Karthus wins against Thresh 47.22% of the time which is 0.50% lower against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 2.19% less often than would be expected.
The average opponent winrate against Thresh is 47.72%.


Bard
the Wandering Caretaker
Karthus wins against Bard 47.26% of the time which is 1.34% lower against Bard than the average opponent.
After normalising both champions win rates Karthus wins against Bard 3.03% less often than would be expected.
The average opponent winrate against Bard is 48.60%.


Karma
the Enlightened One
Karthus wins against Karma 48.09% of the time which is 1.43% lower against Karma than the average opponent.
After normalising both champions win rates Karthus wins against Karma 3.12% less often than would be expected.
The average opponent winrate against Karma is 49.52%.


Soraka
the Starchild
Karthus wins against Soraka 49.76% of the time which is 2.71% higher against Soraka than the average opponent.
After normalising both champions win rates Karthus wins against Soraka 1.02% more often than would be expected.
The average opponent winrate against Soraka is 47.05%.


Nami
the Tidecaller
Karthus wins against Nami 49.83% of the time which is 2.75% higher against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 1.06% more often than would be expected.
The average opponent winrate against Nami is 47.08%.


Lulu
the Fae Sorceress
Karthus wins against Lulu 49.89% of the time which is 2.46% higher against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 0.77% more often than would be expected.
The average opponent winrate against Lulu is 47.43%.


Nautilus
the Titan of the Depths
Karthus wins against Nautilus 50.33% of the time which is 1.40% higher against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 0.29% less often than would be expected.
The average opponent winrate against Nautilus is 48.93%.


Xerath
the Magus Ascendant
Karthus wins against Xerath 52.43% of the time which is 3.01% higher against Xerath than the average opponent.
After normalising both champions win rates Karthus wins against Xerath 1.32% more often than would be expected.
The average opponent winrate against Xerath is 49.42%.


Pyke
the Bloodharbor Ripper
Karthus wins against Pyke 52.84% of the time which is 3.04% higher against Pyke than the average opponent.
After normalising both champions win rates Karthus wins against Pyke 1.35% more often than would be expected.
The average opponent winrate against Pyke is 49.80%.


Alistar
the Minotaur
Karthus wins against Alistar 54.19% of the time which is 5.92% higher against Alistar than the average opponent.
After normalising both champions win rates Karthus wins against Alistar 4.23% more often than would be expected.
The average opponent winrate against Alistar is 48.27%.


Braum
the Heart of the Freljord
Karthus wins against Braum 54.23% of the time which is 7.10% higher against Braum than the average opponent.
After normalising both champions win rates Karthus wins against Braum 5.41% more often than would be expected.
The average opponent winrate against Braum is 47.13%.


Rell
the Iron Maiden
Karthus wins against Rell 54.71% of the time which is 6.16% higher against Rell than the average opponent.
After normalising both champions win rates Karthus wins against Rell 4.47% more often than would be expected.
The average opponent winrate against Rell is 48.55%.


Blitzcrank
the Great Steam Golem
Karthus wins against Blitzcrank 55.21% of the time which is 6.21% higher against Blitzcrank than the average opponent.
After normalising both champions win rates Karthus wins against Blitzcrank 4.52% more often than would be expected.
The average opponent winrate against Blitzcrank is 49.00%.


Rakan
The Charmer
Karthus wins against Rakan 56.57% of the time which is 7.89% higher against Rakan than the average opponent.
After normalising both champions win rates Karthus wins against Rakan 6.20% more often than would be expected.
The average opponent winrate against Rakan is 48.68%.