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: 11,171,113
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 bottom Counters
Karthus bottom on Patch 14.9 is the strongest counter to bottom champions of Smolder, Kog'Maw & Ezreal. While Karthus bottom is countered most by bottom champions of Vayne, Zeri & Sivir. Below is a detailed breakdown of Karthus bottom counters against bottom champions with a minimum of 100 games.
Vayne
the Night Hunter
Karthus wins against Vayne 44.12% of the time which is 3.72% lower against Vayne than the average opponent.
After normalising both champions win rates Karthus wins against Vayne 8.53% less often than would be expected.
The average opponent winrate against Vayneis 47.84%.
Zeri
The Spark of Zaun
Karthus wins against Zeri 47.57% of the time which is 2.22% lower against Zeri than the average opponent.
After normalising both champions win rates Karthus wins against Zeri 7.03% less often than would be expected.
The average opponent winrate against Zeriis 49.79%.
Sivir
the Battle Mistress
Karthus wins against Sivir 49.15% of the time which is 1.23% higher against Sivir than the average opponent.
After normalising both champions win rates Karthus wins against Sivir 3.58% less often than would be expected.
The average opponent winrate against Siviris 47.92%.
Miss Fortune
the Bounty Hunter
Karthus wins against Miss Fortune 49.61% of the time which is 2.02% higher against Miss Fortune than the average opponent.
After normalising both champions win rates Karthus wins against Miss Fortune 2.79% less often than would be expected.
The average opponent winrate against Miss Fortuneis 47.59%.
Xayah
the Rebel
Karthus wins against Xayah 51.22% of the time which is 2.11% higher against Xayah than the average opponent.
After normalising both champions win rates Karthus wins against Xayah 2.70% less often than would be expected.
The average opponent winrate against Xayahis 49.11%.
Ashe
the Frost Archer
Karthus wins against Ashe 51.37% of the time which is 4.67% higher against Ashe than the average opponent.
After normalising both champions win rates Karthus wins against Ashe 0.14% less often than would be expected.
The average opponent winrate against Asheis 46.70%.
Draven
the Glorious Executioner
Karthus wins against Draven 51.70% of the time which is 3.47% higher against Draven than the average opponent.
After normalising both champions win rates Karthus wins against Draven 1.34% less often than would be expected.
The average opponent winrate against Dravenis 48.23%.
Jinx
the Loose Cannon
Karthus wins against Jinx 51.80% of the time which is 4.97% higher against Jinx than the average opponent.
After normalising both champions win rates Karthus wins against Jinx 0.16% more often than would be expected.
The average opponent winrate against Jinxis 46.83%.
Lucian
the Purifier
Karthus wins against Lucian 51.83% of the time which is 3.62% higher against Lucian than the average opponent.
After normalising both champions win rates Karthus wins against Lucian 1.19% less often than would be expected.
The average opponent winrate against Lucianis 48.21%.
Twitch
the Plague Rat
Karthus wins against Twitch 52.63% of the time which is 4.80% higher against Twitch than the average opponent.
After normalising both champions win rates Karthus wins against Twitch 0.01% less often than would be expected.
The average opponent winrate against Twitchis 47.83%.
Aphelios
the Weapon of the Faithful
Karthus wins against Aphelios 53.47% of the time which is 3.26% higher against Aphelios than the average opponent.
After normalising both champions win rates Karthus wins against Aphelios 1.55% less often than would be expected.
The average opponent winrate against Apheliosis 50.21%.
Tristana
the Yordle Gunner
Karthus wins against Tristana 53.64% of the time which is 4.87% higher against Tristana than the average opponent.
After normalising both champions win rates Karthus wins against Tristana 0.06% more often than would be expected.
The average opponent winrate against Tristanais 48.77%.
Jhin
the Virtuoso
Karthus wins against Jhin 54.76% of the time which is 7.53% higher against Jhin than the average opponent.
After normalising both champions win rates Karthus wins against Jhin 2.72% more often than would be expected.
The average opponent winrate against Jhinis 47.23%.
Varus
the Arrow of Retribution
Karthus wins against Varus 56.11% of the time which is 5.73% higher against Varus than the average opponent.
After normalising both champions win rates Karthus wins against Varus 0.92% more often than would be expected.
The average opponent winrate against Varusis 50.38%.
Kai'Sa
Daughter of the Void
Karthus wins against Kai'Sa 56.65% of the time which is 6.35% higher against Kai'Sa than the average opponent.
After normalising both champions win rates Karthus wins against Kai'Sa 1.54% more often than would be expected.
The average opponent winrate against Kai'Sais 50.30%.
Caitlyn
the Sheriff of Piltover
Karthus wins against Caitlyn 56.98% of the time which is 7.99% higher against Caitlyn than the average opponent.
After normalising both champions win rates Karthus wins against Caitlyn 3.18% more often than would be expected.
The average opponent winrate against Caitlynis 48.99%.
Samira
the Desert Rose
Karthus wins against Samira 58.05% of the time which is 10.04% higher against Samira than the average opponent.
After normalising both champions win rates Karthus wins against Samira 5.23% more often than would be expected.
The average opponent winrate against Samirais 48.01%.
Ezreal
the Prodigal Explorer
Karthus wins against Ezreal 58.41% of the time which is 7.93% higher against Ezreal than the average opponent.
After normalising both champions win rates Karthus wins against Ezreal 3.12% more often than would be expected.
The average opponent winrate against Ezrealis 50.48%.
Kog'Maw
the Mouth of the Abyss
Karthus wins against Kog'Maw 58.62% of the time which is 13.61% higher against Kog'Maw than the average opponent.
After normalising both champions win rates Karthus wins against Kog'Maw 8.81% more often than would be expected.
The average opponent winrate against Kog'Mawis 45.01%.
Smolder
the Fiery Fledgling
Karthus wins against Smolder 58.99% of the time which is 9.36% higher against Smolder than the average opponent.
After normalising both champions win rates Karthus wins against Smolder 4.55% more often than would be expected.
The average opponent winrate against Smolderis 49.63%.