

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: 19,839,540
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 15.1 is the strongest counter to support champions of Zyra, Alistar & Nautilus. While Karthus bottom is countered most by support champions of Poppy, Senna & Karma. Below is a detailed breakdown of Karthus bottom counters against support champions with a minimum of 100 games.


Poppy
Keeper of the Hammer
Karthus wins against Poppy 44.22% of the time which is 3.97% lower against Poppy than the average opponent.
After normalising both champions win rates Karthus wins against Poppy 5.61% less often than would be expected.
The average opponent winrate against Poppy is 48.19%.


Senna
the Redeemer
Karthus wins against Senna 44.81% of the time which is 3.35% lower against Senna than the average opponent.
After normalising both champions win rates Karthus wins against Senna 4.99% less often than would be expected.
The average opponent winrate against Senna is 48.16%.


Karma
the Enlightened One
Karthus wins against Karma 45.99% of the time which is 3.21% lower against Karma than the average opponent.
After normalising both champions win rates Karthus wins against Karma 4.85% less often than would be expected.
The average opponent winrate against Karma is 49.20%.


Nami
the Tidecaller
Karthus wins against Nami 46.11% of the time which is 1.55% lower against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 3.19% less often than would be expected.
The average opponent winrate against Nami is 47.66%.


Morgana
the Fallen
Karthus wins against Morgana 46.83% of the time which is 1.73% lower against Morgana than the average opponent.
After normalising both champions win rates Karthus wins against Morgana 3.37% less often than would be expected.
The average opponent winrate against Morgana is 48.56%.


Taric
the Shield of Valoran
Karthus wins against Taric 47.46% of the time which is 0.45% higher against Taric than the average opponent.
After normalising both champions win rates Karthus wins against Taric 1.19% less often than would be expected.
The average opponent winrate against Taric is 47.01%.


Sona
Maven of the Strings
Karthus wins against Sona 47.85% of the time which is 0.15% higher against Sona than the average opponent.
After normalising both champions win rates Karthus wins against Sona 1.49% less often than would be expected.
The average opponent winrate against Sona is 47.70%.


Soraka
the Starchild
Karthus wins against Soraka 48.53% of the time which is 0.41% higher against Soraka than the average opponent.
After normalising both champions win rates Karthus wins against Soraka 1.23% less often than would be expected.
The average opponent winrate against Soraka is 48.12%.


Vel'Koz
the Eye of the Void
Karthus wins against Vel'Koz 48.89% of the time which is 0.57% higher against Vel'Koz than the average opponent.
After normalising both champions win rates Karthus wins against Vel'Koz 1.07% less often than would be expected.
The average opponent winrate against Vel'Koz is 48.32%.


Janna
the Storm's Fury
Karthus wins against Janna 49.15% of the time which is 1.22% higher against Janna than the average opponent.
After normalising both champions win rates Karthus wins against Janna 0.42% less often than would be expected.
The average opponent winrate against Janna is 47.93%.


Elise
the Spider Queen
Karthus wins against Elise 49.35% of the time which is 0.55% higher against Elise than the average opponent.
After normalising both champions win rates Karthus wins against Elise 1.09% less often than would be expected.
The average opponent winrate against Elise is 48.80%.


Rakan
The Charmer
Karthus wins against Rakan 49.44% of the time which is 1.43% lower against Rakan than the average opponent.
After normalising both champions win rates Karthus wins against Rakan 3.07% less often than would be expected.
The average opponent winrate against Rakan is 50.87%.


Yuumi
the Magical Cat
Karthus wins against Yuumi 49.56% of the time which is 1.91% lower against Yuumi than the average opponent.
After normalising both champions win rates Karthus wins against Yuumi 3.55% less often than would be expected.
The average opponent winrate against Yuumi is 51.47%.


Tahm Kench
The River King
Karthus wins against Tahm Kench 49.58% of the time which is 1.34% higher against Tahm Kench than the average opponent.
After normalising both champions win rates Karthus wins against Tahm Kench 0.30% less often than would be expected.
The average opponent winrate against Tahm Kench is 48.24%.


Milio
The Gentle Flame
Karthus wins against Milio 50.16% of the time which is 1.16% higher against Milio than the average opponent.
After normalising both champions win rates Karthus wins against Milio 0.48% less often than would be expected.
The average opponent winrate against Milio is 49.00%.


Lux
the Lady of Luminosity
Karthus wins against Lux 50.59% of the time which is 0.53% higher against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 1.11% less often than would be expected.
The average opponent winrate against Lux is 50.06%.


Zilean
the Chronokeeper
Karthus wins against Zilean 50.76% of the time which is 2.26% higher against Zilean than the average opponent.
After normalising both champions win rates Karthus wins against Zilean 0.62% more often than would be expected.
The average opponent winrate against Zilean is 48.50%.


Lulu
the Fae Sorceress
Karthus wins against Lulu 51.02% of the time which is 3.12% higher against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 1.48% more often than would be expected.
The average opponent winrate against Lulu is 47.90%.


Leona
the Radiant Dawn
Karthus wins against Leona 51.03% of the time which is 1.15% higher against Leona than the average opponent.
After normalising both champions win rates Karthus wins against Leona 0.49% less often than would be expected.
The average opponent winrate against Leona is 49.88%.


Renata Glasc
the Chem-Baroness
Karthus wins against Renata Glasc 51.08% of the time which is 1.18% higher against Renata Glasc than the average opponent.
After normalising both champions win rates Karthus wins against Renata Glasc 0.46% less often than would be expected.
The average opponent winrate against Renata Glasc is 49.90%.


Rell
the Iron Maiden
Karthus wins against Rell 51.13% of the time which is 2.92% higher against Rell than the average opponent.
After normalising both champions win rates Karthus wins against Rell 1.28% more often than would be expected.
The average opponent winrate against Rell is 48.21%.


Pyke
the Bloodharbor Ripper
Karthus wins against Pyke 51.16% of the time which is 0.02% higher against Pyke than the average opponent.
After normalising both champions win rates Karthus wins against Pyke 1.62% less often than would be expected.
The average opponent winrate against Pyke is 51.14%.


Maokai
the Twisted Treant
Karthus wins against Maokai 52.84% of the time which is 5.22% higher against Maokai than the average opponent.
After normalising both champions win rates Karthus wins against Maokai 3.58% more often than would be expected.
The average opponent winrate against Maokai is 47.62%.


Thresh
the Chain Warden
Karthus wins against Thresh 53.78% of the time which is 4.06% higher against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 2.42% more often than would be expected.
The average opponent winrate against Thresh is 49.72%.


Blitzcrank
the Great Steam Golem
Karthus wins against Blitzcrank 54.41% of the time which is 4.26% higher against Blitzcrank than the average opponent.
After normalising both champions win rates Karthus wins against Blitzcrank 2.62% more often than would be expected.
The average opponent winrate against Blitzcrank is 50.15%.


Seraphine
the Starry-Eyed Songstress
Karthus wins against Seraphine 54.69% of the time which is 4.35% higher against Seraphine than the average opponent.
After normalising both champions win rates Karthus wins against Seraphine 2.71% more often than would be expected.
The average opponent winrate against Seraphine is 50.34%.


Braum
the Heart of the Freljord
Karthus wins against Braum 54.89% of the time which is 6.34% higher against Braum than the average opponent.
After normalising both champions win rates Karthus wins against Braum 4.70% more often than would be expected.
The average opponent winrate against Braum is 48.55%.


Bard
the Wandering Caretaker
Karthus wins against Bard 56.83% of the time which is 7.19% higher against Bard than the average opponent.
After normalising both champions win rates Karthus wins against Bard 5.55% more often than would be expected.
The average opponent winrate against Bard is 49.64%.


Nautilus
the Titan of the Depths
Karthus wins against Nautilus 57.92% of the time which is 6.81% higher against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 5.17% more often than would be expected.
The average opponent winrate against Nautilus is 51.11%.


Alistar
the Minotaur
Karthus wins against Alistar 57.94% of the time which is 8.15% higher against Alistar than the average opponent.
After normalising both champions win rates Karthus wins against Alistar 6.51% more often than would be expected.
The average opponent winrate against Alistar is 49.79%.


Zyra
Rise of the Thorns
Karthus wins against Zyra 59.48% of the time which is 10.93% higher against Zyra than the average opponent.
After normalising both champions win rates Karthus wins against Zyra 9.29% more often than would be expected.
The average opponent winrate against Zyra is 48.55%.