

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: 7,622,890
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 7 is the strongest counter to support champions of Mel, Shaco & Pantheon. While Karthus jungle is countered most by support champions of Sona, Zilean & Nami. Below is a detailed breakdown of Karthus jungle counters against support champions with a minimum of 100 games.


Sona
Maven of the Strings
Karthus wins against Sona 39.89% of the time which is 7.82% lower against Sona than the average opponent.
After normalising both champions win rates Karthus wins against Sona 7.31% less often than would be expected.
The average opponent winrate against Sona is 47.71%.


Zilean
the Chronokeeper
Karthus wins against Zilean 40.45% of the time which is 8.21% lower against Zilean than the average opponent.
After normalising both champions win rates Karthus wins against Zilean 7.70% less often than would be expected.
The average opponent winrate against Zilean is 48.66%.


Nami
the Tidecaller
Karthus wins against Nami 42.91% of the time which is 5.11% lower against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 4.60% less often than would be expected.
The average opponent winrate against Nami is 48.02%.


Xerath
the Magus Ascendant
Karthus wins against Xerath 43.63% of the time which is 7.62% lower against Xerath than the average opponent.
After normalising both champions win rates Karthus wins against Xerath 7.11% less often than would be expected.
The average opponent winrate against Xerath is 51.25%.


Vel'Koz
the Eye of the Void
Karthus wins against Vel'Koz 44.44% of the time which is 4.97% lower against Vel'Koz than the average opponent.
After normalising both champions win rates Karthus wins against Vel'Koz 4.46% less often than would be expected.
The average opponent winrate against Vel'Koz is 49.41%.


Janna
the Storm's Fury
Karthus wins against Janna 44.67% of the time which is 3.69% lower against Janna than the average opponent.
After normalising both champions win rates Karthus wins against Janna 3.18% less often than would be expected.
The average opponent winrate against Janna is 48.36%.


Elise
the Spider Queen
Karthus wins against Elise 45.28% of the time which is 3.26% lower against Elise than the average opponent.
After normalising both champions win rates Karthus wins against Elise 2.75% less often than would be expected.
The average opponent winrate against Elise is 48.54%.


Milio
The Gentle Flame
Karthus wins against Milio 45.38% of the time which is 2.50% lower against Milio than the average opponent.
After normalising both champions win rates Karthus wins against Milio 1.99% less often than would be expected.
The average opponent winrate against Milio is 47.88%.


Yuumi
the Magical Cat
Karthus wins against Yuumi 45.45% of the time which is 5.81% lower against Yuumi than the average opponent.
After normalising both champions win rates Karthus wins against Yuumi 5.30% less often than would be expected.
The average opponent winrate against Yuumi is 51.26%.


Zyra
Rise of the Thorns
Karthus wins against Zyra 46.58% of the time which is 3.49% lower against Zyra than the average opponent.
After normalising both champions win rates Karthus wins against Zyra 2.98% less often than would be expected.
The average opponent winrate against Zyra is 50.07%.


Blitzcrank
the Great Steam Golem
Karthus wins against Blitzcrank 46.61% of the time which is 3.18% lower against Blitzcrank than the average opponent.
After normalising both champions win rates Karthus wins against Blitzcrank 2.67% less often than would be expected.
The average opponent winrate against Blitzcrank is 49.79%.


Soraka
the Starchild
Karthus wins against Soraka 47.02% of the time which is 1.18% lower against Soraka than the average opponent.
After normalising both champions win rates Karthus wins against Soraka 0.67% less often than would be expected.
The average opponent winrate against Soraka is 48.20%.


Seraphine
the Starry-Eyed Songstress
Karthus wins against Seraphine 47.67% of the time which is 2.91% lower against Seraphine than the average opponent.
After normalising both champions win rates Karthus wins against Seraphine 2.40% less often than would be expected.
The average opponent winrate against Seraphine is 50.58%.


Senna
the Redeemer
Karthus wins against Senna 48.11% of the time which is 3.19% lower against Senna than the average opponent.
After normalising both champions win rates Karthus wins against Senna 2.68% less often than would be expected.
The average opponent winrate against Senna is 51.30%.


Lulu
the Fae Sorceress
Karthus wins against Lulu 48.15% of the time which is 0.66% lower against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 0.15% less often than would be expected.
The average opponent winrate against Lulu is 48.81%.


Thresh
the Chain Warden
Karthus wins against Thresh 48.75% of the time which is 0.26% higher against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 0.77% more often than would be expected.
The average opponent winrate against Thresh is 48.49%.


Rell
the Iron Maiden
Karthus wins against Rell 48.79% of the time which is 0.20% lower against Rell than the average opponent.
After normalising both champions win rates Karthus wins against Rell 0.31% more often than would be expected.
The average opponent winrate against Rell is 48.99%.


Karma
the Enlightened One
Karthus wins against Karma 49.03% of the time which is 0.43% lower against Karma than the average opponent.
After normalising both champions win rates Karthus wins against Karma 0.08% more often than would be expected.
The average opponent winrate against Karma is 49.46%.


Morgana
the Fallen
Karthus wins against Morgana 49.43% of the time which is 0.31% lower against Morgana than the average opponent.
After normalising both champions win rates Karthus wins against Morgana 0.20% more often than would be expected.
The average opponent winrate against Morgana is 49.74%.


Leona
the Radiant Dawn
Karthus wins against Leona 49.86% of the time which is 1.11% higher against Leona than the average opponent.
After normalising both champions win rates Karthus wins against Leona 1.62% more often than would be expected.
The average opponent winrate against Leona is 48.75%.


Rakan
The Charmer
Karthus wins against Rakan 50.00% of the time which is 0.20% higher against Rakan than the average opponent.
After normalising both champions win rates Karthus wins against Rakan 0.71% more often than would be expected.
The average opponent winrate against Rakan is 49.80%.


Braum
the Heart of the Freljord
Karthus wins against Braum 50.41% of the time which is 2.46% higher against Braum than the average opponent.
After normalising both champions win rates Karthus wins against Braum 2.97% more often than would be expected.
The average opponent winrate against Braum is 47.95%.


Bard
the Wandering Caretaker
Karthus wins against Bard 51.03% of the time which is 2.45% higher against Bard than the average opponent.
After normalising both champions win rates Karthus wins against Bard 2.96% more often than would be expected.
The average opponent winrate against Bard is 48.58%.


Lux
the Lady of Luminosity
Karthus wins against Lux 51.23% of the time which is 0.26% higher against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 0.77% more often than would be expected.
The average opponent winrate against Lux is 50.97%.


Poppy
Keeper of the Hammer
Karthus wins against Poppy 51.76% of the time which is 3.62% higher against Poppy than the average opponent.
After normalising both champions win rates Karthus wins against Poppy 4.13% more often than would be expected.
The average opponent winrate against Poppy is 48.14%.


Pyke
the Bloodharbor Ripper
Karthus wins against Pyke 52.24% of the time which is 1.99% higher against Pyke than the average opponent.
After normalising both champions win rates Karthus wins against Pyke 2.50% more often than would be expected.
The average opponent winrate against Pyke is 50.25%.


Nautilus
the Titan of the Depths
Karthus wins against Nautilus 52.46% of the time which is 1.66% higher against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 2.17% more often than would be expected.
The average opponent winrate against Nautilus is 50.80%.


Alistar
the Minotaur
Karthus wins against Alistar 52.69% of the time which is 3.19% higher against Alistar than the average opponent.
After normalising both champions win rates Karthus wins against Alistar 3.70% more often than would be expected.
The average opponent winrate against Alistar is 49.50%.


Neeko
the Curious Chameleon
Karthus wins against Neeko 53.20% of the time which is 2.07% higher against Neeko than the average opponent.
After normalising both champions win rates Karthus wins against Neeko 2.58% more often than would be expected.
The average opponent winrate against Neeko is 51.13%.


Tahm Kench
The River King
Karthus wins against Tahm Kench 53.38% of the time which is 3.04% higher against Tahm Kench than the average opponent.
After normalising both champions win rates Karthus wins against Tahm Kench 3.55% more often than would be expected.
The average opponent winrate against Tahm Kench is 50.34%.


Swain
the Noxian Grand General
Karthus wins against Swain 53.45% of the time which is 2.60% higher against Swain than the average opponent.
After normalising both champions win rates Karthus wins against Swain 3.11% more often than would be expected.
The average opponent winrate against Swain is 50.85%.


Pantheon
the Unbreakable Spear
Karthus wins against Pantheon 55.44% of the time which is 5.44% higher against Pantheon than the average opponent.
After normalising both champions win rates Karthus wins against Pantheon 5.95% more often than would be expected.
The average opponent winrate against Pantheon is 50.00%.


Shaco
the Demon Jester
Karthus wins against Shaco 57.79% of the time which is 7.64% higher against Shaco than the average opponent.
After normalising both champions win rates Karthus wins against Shaco 8.15% more often than would be expected.
The average opponent winrate against Shaco is 50.15%.


Mel
the Soul's Reflection
Karthus wins against Mel 62.22% of the time which is 7.72% higher against Mel than the average opponent.
After normalising both champions win rates Karthus wins against Mel 8.22% more often than would be expected.
The average opponent winrate against Mel is 54.50%.