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: 2,193,842
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 14.18 is the strongest counter to support champions of Nautilus, Rell & Yuumi. While Karthus jungle is countered most by support champions of Janna, Lulu & Poppy. Below is a detailed breakdown of Karthus jungle counters against support champions with a minimum of 100 games.
Janna
the Storm's Fury
Karthus wins against Janna 46.52% of the time which is 0.79% higher against Janna than the average opponent.
After normalising both champions win rates Karthus wins against Janna 6.43% less often than would be expected.
The average opponent winrate against Jannais 45.73%.
Lulu
the Fae Sorceress
Karthus wins against Lulu 46.86% of the time which is 1.68% higher against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 5.53% less often than would be expected.
The average opponent winrate against Luluis 45.18%.
Poppy
Keeper of the Hammer
Karthus wins against Poppy 48.67% of the time which is 4.95% higher against Poppy than the average opponent.
After normalising both champions win rates Karthus wins against Poppy 2.25% less often than would be expected.
The average opponent winrate against Poppyis 43.72%.
Senna
the Redeemer
Karthus wins against Senna 49.73% of the time which is 4.73% higher against Senna than the average opponent.
After normalising both champions win rates Karthus wins against Senna 2.48% less often than would be expected.
The average opponent winrate against Sennais 45.00%.
Alistar
the Minotaur
Karthus wins against Alistar 50.36% of the time which is 2.73% higher against Alistar than the average opponent.
After normalising both champions win rates Karthus wins against Alistar 4.50% less often than would be expected.
The average opponent winrate against Alistaris 47.63%.
Braum
the Heart of the Freljord
Karthus wins against Braum 50.94% of the time which is 4.17% higher against Braum than the average opponent.
After normalising both champions win rates Karthus wins against Braum 3.05% less often than would be expected.
The average opponent winrate against Braumis 46.77%.
Nami
the Tidecaller
Karthus wins against Nami 51.19% of the time which is 5.45% higher against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 1.77% less often than would be expected.
The average opponent winrate against Namiis 45.74%.
Pyke
the Bloodharbor Ripper
Karthus wins against Pyke 52.41% of the time which is 7.07% higher against Pyke than the average opponent.
After normalising both champions win rates Karthus wins against Pyke 0.14% less often than would be expected.
The average opponent winrate against Pykeis 45.34%.
Bard
the Wandering Caretaker
Karthus wins against Bard 53.09% of the time which is 7.20% higher against Bard than the average opponent.
After normalising both champions win rates Karthus wins against Bard 0.02% less often than would be expected.
The average opponent winrate against Bardis 45.89%.
Blitzcrank
the Great Steam Golem
Karthus wins against Blitzcrank 53.63% of the time which is 6.70% higher against Blitzcrank than the average opponent.
After normalising both champions win rates Karthus wins against Blitzcrank 0.52% less often than would be expected.
The average opponent winrate against Blitzcrankis 46.93%.
Karma
the Enlightened One
Karthus wins against Karma 53.96% of the time which is 7.91% higher against Karma than the average opponent.
After normalising both champions win rates Karthus wins against Karma 0.69% more often than would be expected.
The average opponent winrate against Karmais 46.05%.
Leona
the Radiant Dawn
Karthus wins against Leona 54.50% of the time which is 7.40% higher against Leona than the average opponent.
After normalising both champions win rates Karthus wins against Leona 0.18% more often than would be expected.
The average opponent winrate against Leonais 47.10%.
Seraphine
the Starry-Eyed Songstress
Karthus wins against Seraphine 55.61% of the time which is 8.40% higher against Seraphine than the average opponent.
After normalising both champions win rates Karthus wins against Seraphine 1.18% more often than would be expected.
The average opponent winrate against Seraphineis 47.21%.
Thresh
the Chain Warden
Karthus wins against Thresh 55.70% of the time which is 8.82% higher against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 1.60% more often than would be expected.
The average opponent winrate against Threshis 46.88%.
Milio
The Gentle Flame
Karthus wins against Milio 56.88% of the time which is 9.56% higher against Milio than the average opponent.
After normalising both champions win rates Karthus wins against Milio 2.34% more often than would be expected.
The average opponent winrate against Miliois 47.32%.
Soraka
the Starchild
Karthus wins against Soraka 57.55% of the time which is 10.57% higher against Soraka than the average opponent.
After normalising both champions win rates Karthus wins against Soraka 3.35% more often than would be expected.
The average opponent winrate against Sorakais 46.98%.
Rakan
The Charmer
Karthus wins against Rakan 57.79% of the time which is 10.94% higher against Rakan than the average opponent.
After normalising both champions win rates Karthus wins against Rakan 3.72% more often than would be expected.
The average opponent winrate against Rakanis 46.85%.
Yuumi
the Magical Cat
Karthus wins against Yuumi 58.74% of the time which is 9.70% higher against Yuumi than the average opponent.
After normalising both champions win rates Karthus wins against Yuumi 2.48% more often than would be expected.
The average opponent winrate against Yuumiis 49.04%.
Rell
the Iron Maiden
Karthus wins against Rell 58.99% of the time which is 12.29% higher against Rell than the average opponent.
After normalising both champions win rates Karthus wins against Rell 5.07% more often than would be expected.
The average opponent winrate against Rellis 46.70%.
Nautilus
the Titan of the Depths
Karthus wins against Nautilus 60.57% of the time which is 12.14% higher against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 4.91% more often than would be expected.
The average opponent winrate against Nautilusis 48.43%.