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.
Grandmaster+ Champions Analysed: 376,305
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 jungle Counters
Presently there is insufficent games played by Karthus jungle on Patch 14.23 to determine the strongest jungle counters. A matchup requires a minimum of 100 games to be displayed.
Graves
มือปืนนอกกฎหมาย
Karthus wins against Graves 55.63% of the time which is 11.37% higher against Graves than the average opponent.
After normalising both champions win rates Karthus wins against Graves 2.18% less often than would be expected.
The average opponent winrate against Gravesis 44.26%.
Viego
ราชาผู้สูญสลาย
Karthus wins against Viego 64.02% of the time which is 19.68% higher against Viego than the average opponent.
After normalising both champions win rates Karthus wins against Viego 6.13% more often than would be expected.
The average opponent winrate against Viegois 44.34%.
Lee Sin
นักบวชตาบอด
Karthus wins against Lee Sin 65.38% of the time which is 21.19% higher against Lee Sin than the average opponent.
After normalising both champions win rates Karthus wins against Lee Sin 7.64% more often than would be expected.
The average opponent winrate against Lee Sinis 44.19%.