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: 55,987,592
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 bottom Counters
Karthus jungle on Patch 30 is the strongest counter to bottom champions of Aphelios, Smolder & Kai'Sa. While Karthus jungle is countered most by bottom champions of Vel'Koz, Veigar & Kog'Maw. Below is a detailed breakdown of Karthus jungle counters against bottom champions with a minimum of 100 games.
Vel'Koz
the Eye of the Void
Karthus wins against Vel'Koz 43.61% of the time which is 4.26% lower against Vel'Koz than the average opponent.
After normalising both champions win rates Karthus wins against Vel'Koz 8.05% less often than would be expected.
The average opponent winrate against Vel'Kozis 47.87%.
Veigar
the Tiny Master of Evil
Karthus wins against Veigar 47.56% of the time which is 1.25% higher against Veigar than the average opponent.
After normalising both champions win rates Karthus wins against Veigar 2.54% less often than would be expected.
The average opponent winrate against Veigaris 46.31%.
Kog'Maw
the Mouth of the Abyss
Karthus wins against Kog'Maw 47.64% of the time which is 2.13% higher against Kog'Maw than the average opponent.
After normalising both champions win rates Karthus wins against Kog'Maw 1.65% less often than would be expected.
The average opponent winrate against Kog'Mawis 45.51%.
Brand
the Burning Vengeance
Karthus wins against Brand 47.66% of the time which is 2.26% higher against Brand than the average opponent.
After normalising both champions win rates Karthus wins against Brand 1.52% less often than would be expected.
The average opponent winrate against Brandis 45.40%.
Twitch
the Plague Rat
Karthus wins against Twitch 48.39% of the time which is 1.29% higher against Twitch than the average opponent.
After normalising both champions win rates Karthus wins against Twitch 2.50% less often than would be expected.
The average opponent winrate against Twitchis 47.10%.
Swain
the Noxian Grand General
Karthus wins against Swain 48.94% of the time which is 2.71% higher against Swain than the average opponent.
After normalising both champions win rates Karthus wins against Swain 1.07% less often than would be expected.
The average opponent winrate against Swainis 46.23%.
Seraphine
the Starry-Eyed Songstress
Karthus wins against Seraphine 49.06% of the time which is 3.00% higher against Seraphine than the average opponent.
After normalising both champions win rates Karthus wins against Seraphine 0.78% less often than would be expected.
The average opponent winrate against Seraphineis 46.06%.
Lux
the Lady of Luminosity
Karthus wins against Lux 49.18% of the time which is 1.51% higher against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 2.28% less often than would be expected.
The average opponent winrate against Luxis 47.67%.
Hwei
the Visionary
Karthus wins against Hwei 49.27% of the time which is 1.59% higher against Hwei than the average opponent.
After normalising both champions win rates Karthus wins against Hwei 2.20% less often than would be expected.
The average opponent winrate against Hweiis 47.68%.
Tahm Kench
The River King
Karthus wins against Tahm Kench 50.13% of the time which is 6.01% higher against Tahm Kench than the average opponent.
After normalising both champions win rates Karthus wins against Tahm Kench 2.24% more often than would be expected.
The average opponent winrate against Tahm Kenchis 44.12%.
Ashe
the Frost Archer
Karthus wins against Ashe 50.17% of the time which is 3.41% higher against Ashe than the average opponent.
After normalising both champions win rates Karthus wins against Ashe 0.38% less often than would be expected.
The average opponent winrate against Asheis 46.76%.
Senna
the Redeemer
Karthus wins against Senna 50.37% of the time which is 3.17% higher against Senna than the average opponent.
After normalising both champions win rates Karthus wins against Senna 0.62% less often than would be expected.
The average opponent winrate against Sennais 47.20%.
Jhin
the Virtuoso
Karthus wins against Jhin 50.55% of the time which is 3.56% higher against Jhin than the average opponent.
After normalising both champions win rates Karthus wins against Jhin 0.23% less often than would be expected.
The average opponent winrate against Jhinis 46.99%.
Heimerdinger
the Revered Inventor
Karthus wins against Heimerdinger 50.56% of the time which is 4.46% higher against Heimerdinger than the average opponent.
After normalising both champions win rates Karthus wins against Heimerdinger 0.68% more often than would be expected.
The average opponent winrate against Heimerdingeris 46.10%.
Ziggs
the Hexplosives Expert
Karthus wins against Ziggs 50.59% of the time which is 2.49% higher against Ziggs than the average opponent.
After normalising both champions win rates Karthus wins against Ziggs 1.30% less often than would be expected.
The average opponent winrate against Ziggsis 48.10%.
Jinx
the Loose Cannon
Karthus wins against Jinx 50.70% of the time which is 4.11% higher against Jinx than the average opponent.
After normalising both champions win rates Karthus wins against Jinx 0.32% more often than would be expected.
The average opponent winrate against Jinxis 46.59%.
Sivir
the Battle Mistress
Karthus wins against Sivir 50.76% of the time which is 2.51% higher against Sivir than the average opponent.
After normalising both champions win rates Karthus wins against Sivir 1.28% less often than would be expected.
The average opponent winrate against Siviris 48.25%.
Aurelion Sol
The Star Forger
Karthus wins against Aurelion Sol 50.90% of the time which is 4.60% higher against Aurelion Sol than the average opponent.
After normalising both champions win rates Karthus wins against Aurelion Sol 0.81% more often than would be expected.
The average opponent winrate against Aurelion Solis 46.30%.
Miss Fortune
the Bounty Hunter
Karthus wins against Miss Fortune 51.07% of the time which is 3.32% higher against Miss Fortune than the average opponent.
After normalising both champions win rates Karthus wins against Miss Fortune 0.47% less often than would be expected.
The average opponent winrate against Miss Fortuneis 47.75%.
Caitlyn
the Sheriff of Piltover
Karthus wins against Caitlyn 51.28% of the time which is 2.90% higher against Caitlyn than the average opponent.
After normalising both champions win rates Karthus wins against Caitlyn 0.89% less often than would be expected.
The average opponent winrate against Caitlynis 48.38%.
Xerath
the Magus Ascendant
Karthus wins against Xerath 51.47% of the time which is 2.24% higher against Xerath than the average opponent.
After normalising both champions win rates Karthus wins against Xerath 1.55% less often than would be expected.
The average opponent winrate against Xerathis 49.23%.
Ornn
The Fire below the Mountain
Karthus wins against Ornn 51.49% of the time which is 2.54% higher against Ornn than the average opponent.
After normalising both champions win rates Karthus wins against Ornn 1.25% less often than would be expected.
The average opponent winrate against Ornnis 48.95%.
Vayne
the Night Hunter
Karthus wins against Vayne 51.54% of the time which is 3.29% higher against Vayne than the average opponent.
After normalising both champions win rates Karthus wins against Vayne 0.50% less often than would be expected.
The average opponent winrate against Vayneis 48.25%.
Cassiopeia
the Serpent's Embrace
Karthus wins against Cassiopeia 51.71% of the time which is 5.33% higher against Cassiopeia than the average opponent.
After normalising both champions win rates Karthus wins against Cassiopeia 1.54% more often than would be expected.
The average opponent winrate against Cassiopeiais 46.38%.
Corki
the Daring Bombardier
Karthus wins against Corki 52.20% of the time which is 2.43% higher against Corki than the average opponent.
After normalising both champions win rates Karthus wins against Corki 1.36% less often than would be expected.
The average opponent winrate against Corkiis 49.77%.
Tristana
the Yordle Gunner
Karthus wins against Tristana 52.54% of the time which is 4.21% higher against Tristana than the average opponent.
After normalising both champions win rates Karthus wins against Tristana 0.42% more often than would be expected.
The average opponent winrate against Tristanais 48.33%.
Yasuo
the Unforgiven
Karthus wins against Yasuo 52.86% of the time which is 4.10% higher against Yasuo than the average opponent.
After normalising both champions win rates Karthus wins against Yasuo 0.31% more often than would be expected.
The average opponent winrate against Yasuois 48.76%.
Lucian
the Purifier
Karthus wins against Lucian 53.04% of the time which is 4.49% higher against Lucian than the average opponent.
After normalising both champions win rates Karthus wins against Lucian 0.70% more often than would be expected.
The average opponent winrate against Lucianis 48.55%.
Draven
the Glorious Executioner
Karthus wins against Draven 53.06% of the time which is 3.52% higher against Draven than the average opponent.
After normalising both champions win rates Karthus wins against Draven 0.27% less often than would be expected.
The average opponent winrate against Dravenis 49.54%.
Nilah
the Joy Unbound
Karthus wins against Nilah 53.70% of the time which is 6.43% higher against Nilah than the average opponent.
After normalising both champions win rates Karthus wins against Nilah 2.64% more often than would be expected.
The average opponent winrate against Nilahis 47.27%.
Zeri
The Spark of Zaun
Karthus wins against Zeri 53.73% of the time which is 3.61% higher against Zeri than the average opponent.
After normalising both champions win rates Karthus wins against Zeri 0.18% less often than would be expected.
The average opponent winrate against Zeriis 50.12%.
Kalista
the Spear of Vengeance
Karthus wins against Kalista 53.92% of the time which is 3.18% higher against Kalista than the average opponent.
After normalising both champions win rates Karthus wins against Kalista 0.61% less often than would be expected.
The average opponent winrate against Kalistais 50.74%.
Ezreal
the Prodigal Explorer
Karthus wins against Ezreal 54.14% of the time which is 3.38% higher against Ezreal than the average opponent.
After normalising both champions win rates Karthus wins against Ezreal 0.41% less often than would be expected.
The average opponent winrate against Ezrealis 50.76%.
Nautilus
the Titan of the Depths
Karthus wins against Nautilus 54.17% of the time which is 5.44% higher against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 1.65% more often than would be expected.
The average opponent winrate against Nautilusis 48.73%.
Syndra
the Dark Sovereign
Karthus wins against Syndra 54.46% of the time which is 3.51% higher against Syndra than the average opponent.
After normalising both champions win rates Karthus wins against Syndra 0.28% less often than would be expected.
The average opponent winrate against Syndrais 50.95%.
Varus
the Arrow of Retribution
Karthus wins against Varus 54.54% of the time which is 3.88% higher against Varus than the average opponent.
After normalising both champions win rates Karthus wins against Varus 0.09% more often than would be expected.
The average opponent winrate against Varusis 50.66%.
Xayah
the Rebel
Karthus wins against Xayah 54.61% of the time which is 5.12% higher against Xayah than the average opponent.
After normalising both champions win rates Karthus wins against Xayah 1.33% more often than would be expected.
The average opponent winrate against Xayahis 49.49%.
Samira
the Desert Rose
Karthus wins against Samira 54.75% of the time which is 6.64% higher against Samira than the average opponent.
After normalising both champions win rates Karthus wins against Samira 2.85% more often than would be expected.
The average opponent winrate against Samirais 48.11%.
Twisted Fate
the Card Master
Karthus wins against Twisted Fate 54.78% of the time which is 5.58% higher against Twisted Fate than the average opponent.
After normalising both champions win rates Karthus wins against Twisted Fate 1.79% more often than would be expected.
The average opponent winrate against Twisted Fateis 49.20%.
Kai'Sa
Daughter of the Void
Karthus wins against Kai'Sa 54.89% of the time which is 4.62% higher against Kai'Sa than the average opponent.
After normalising both champions win rates Karthus wins against Kai'Sa 0.83% more often than would be expected.
The average opponent winrate against Kai'Sais 50.27%.
Smolder
the Fiery Fledgling
Karthus wins against Smolder 55.82% of the time which is 5.42% higher against Smolder than the average opponent.
After normalising both champions win rates Karthus wins against Smolder 1.63% more often than would be expected.
The average opponent winrate against Smolderis 50.40%.
Aphelios
the Weapon of the Faithful
Karthus wins against Aphelios 56.23% of the time which is 4.97% higher against Aphelios than the average opponent.
After normalising both champions win rates Karthus wins against Aphelios 1.18% more often than would be expected.
The average opponent winrate against Apheliosis 51.26%.