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.
All Ranks Champions Analysed: 122,275,740
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 support vs support Counters
Karthus support on Patch 14.19 is the strongest counter to support champions of Pyke, Thresh & Nautilus. While Karthus support is countered most by support champions of Milio, Senna & Xerath. Below is a detailed breakdown of Karthus support counters against support champions with a minimum of 100 games.
Milio
Die schützende Flamme
Karthus wins against Milio 34.95% of the time which is 14.19% lower against Milio than the average opponent.
After normalising both champions win rates Karthus wins against Milio 8.65% less often than would be expected.
The average opponent winrate against Miliois 49.14%.
Senna
die Erlöserin
Karthus wins against Senna 37.58% of the time which is 10.89% lower against Senna than the average opponent.
After normalising both champions win rates Karthus wins against Senna 5.36% less often than would be expected.
The average opponent winrate against Sennais 48.47%.
Xerath
der aufgestiegene Magier
Karthus wins against Xerath 37.62% of the time which is 10.61% lower against Xerath than the average opponent.
After normalising both champions win rates Karthus wins against Xerath 5.09% less often than would be expected.
The average opponent winrate against Xerathis 48.23%.
Vel'Koz
das Auge der Leere
Karthus wins against Vel'Koz 38.46% of the time which is 10.04% lower against Vel'Koz than the average opponent.
After normalising both champions win rates Karthus wins against Vel'Koz 4.51% less often than would be expected.
The average opponent winrate against Vel'Kozis 48.50%.
Alistar
der Minotaurus
Karthus wins against Alistar 40.00% of the time which is 10.95% lower against Alistar than the average opponent.
After normalising both champions win rates Karthus wins against Alistar 5.39% less often than would be expected.
The average opponent winrate against Alistaris 50.95%.
Lulu
die Zauberin der Fae
Karthus wins against Lulu 41.37% of the time which is 8.05% lower against Lulu than the average opponent.
After normalising both champions win rates Karthus wins against Lulu 2.51% less often than would be expected.
The average opponent winrate against Luluis 49.42%.
Brand
die brennende Vergeltung
Karthus wins against Brand 42.23% of the time which is 5.27% lower against Brand than the average opponent.
After normalising both champions win rates Karthus wins against Brand 0.24% more often than would be expected.
The average opponent winrate against Brandis 47.50%.
Poppy
die Hüterin des Hammers
Karthus wins against Poppy 42.66% of the time which is 5.38% lower against Poppy than the average opponent.
After normalising both champions win rates Karthus wins against Poppy 0.14% more often than would be expected.
The average opponent winrate against Poppyis 48.04%.
Seraphine
das verträumte Goldkehlchen
Karthus wins against Seraphine 42.86% of the time which is 7.48% lower against Seraphine than the average opponent.
After normalising both champions win rates Karthus wins against Seraphine 1.93% less often than would be expected.
The average opponent winrate against Seraphineis 50.34%.
Karma
die Erleuchtete
Karthus wins against Karma 43.09% of the time which is 7.30% lower against Karma than the average opponent.
After normalising both champions win rates Karthus wins against Karma 1.75% less often than would be expected.
The average opponent winrate against Karmais 50.39%.
Yuumi
die magische Katze
Karthus wins against Yuumi 43.33% of the time which is 9.73% lower against Yuumi than the average opponent.
After normalising both champions win rates Karthus wins against Yuumi 4.16% less often than would be expected.
The average opponent winrate against Yuumiis 53.06%.
Leona
der strahlende Sonnenaufgang
Karthus wins against Leona 43.71% of the time which is 6.24% lower against Leona than the average opponent.
After normalising both champions win rates Karthus wins against Leona 0.69% less often than would be expected.
The average opponent winrate against Leonais 49.95%.
Rell
die eiserne Jungfrau
Karthus wins against Rell 43.80% of the time which is 6.38% lower against Rell than the average opponent.
After normalising both champions win rates Karthus wins against Rell 0.83% less often than would be expected.
The average opponent winrate against Rellis 50.18%.
Lux
die Lady des Lichts
Karthus wins against Lux 43.83% of the time which is 5.44% lower against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 0.10% more often than would be expected.
The average opponent winrate against Luxis 49.27%.
Swain
der noxianische Großgeneral
Karthus wins against Swain 44.93% of the time which is 4.59% lower against Swain than the average opponent.
After normalising both champions win rates Karthus wins against Swain 0.95% more often than would be expected.
The average opponent winrate against Swainis 49.52%.
Morgana
die Gefallene
Karthus wins against Morgana 45.48% of the time which is 3.69% lower against Morgana than the average opponent.
After normalising both champions win rates Karthus wins against Morgana 1.85% more often than would be expected.
The average opponent winrate against Morganais 49.17%.
Soraka
das Sternenkind
Karthus wins against Soraka 45.78% of the time which is 3.85% lower against Soraka than the average opponent.
After normalising both champions win rates Karthus wins against Soraka 1.70% more often than would be expected.
The average opponent winrate against Sorakais 49.63%.
Zyra
die Gebieterin der Dornen
Karthus wins against Zyra 45.86% of the time which is 2.30% lower against Zyra than the average opponent.
After normalising both champions win rates Karthus wins against Zyra 3.22% more often than would be expected.
The average opponent winrate against Zyrais 48.16%.
Blitzcrank
der große Dampfgolem
Karthus wins against Blitzcrank 46.34% of the time which is 5.15% lower against Blitzcrank than the average opponent.
After normalising both champions win rates Karthus wins against Blitzcrank 0.41% more often than would be expected.
The average opponent winrate against Blitzcrankis 51.49%.
Nami
die Gezeitenruferin
Karthus wins against Nami 47.12% of the time which is 1.64% lower against Nami than the average opponent.
After normalising both champions win rates Karthus wins against Nami 3.89% more often than would be expected.
The average opponent winrate against Namiis 48.76%.
Nautilus
der Titan der Tiefen
Karthus wins against Nautilus 47.47% of the time which is 3.96% lower against Nautilus than the average opponent.
After normalising both champions win rates Karthus wins against Nautilus 1.60% more often than would be expected.
The average opponent winrate against Nautilusis 51.43%.
Thresh
der Kettenwächter
Karthus wins against Thresh 50.00% of the time which is 0.19% lower against Thresh than the average opponent.
After normalising both champions win rates Karthus wins against Thresh 5.36% more often than would be expected.
The average opponent winrate against Threshis 50.19%.
Pyke
der Schlitzer vom Bluthafen
Karthus wins against Pyke 53.54% of the time which is 2.21% higher against Pyke than the average opponent.
After normalising both champions win rates Karthus wins against Pyke 7.77% more often than would be expected.
The average opponent winrate against Pykeis 51.33%.