

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: 39,740,040
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 top vs jungle Counters
Karthus top on Patch 15.16 is the strongest counter to jungle champions of Lee Sin, Sylas & Kayn. While Karthus top is countered most by jungle champions of Viego, Nocturne & Master Yi. Below is a detailed breakdown of Karthus top counters against jungle champions with a minimum of 100 games.


Viego
The Ruined King
Karthus wins against Viego 40.13% of the time which is 9.45% lower against Viego than the average opponent.
After normalising both champions win rates Karthus wins against Viego 5.42% less often than would be expected.
The average opponent winrate against Viego is 49.58%.


Nocturne
the Eternal Nightmare
Karthus wins against Nocturne 41.35% of the time which is 8.46% lower against Nocturne than the average opponent.
After normalising both champions win rates Karthus wins against Nocturne 4.43% less often than would be expected.
The average opponent winrate against Nocturne is 49.81%.


Master Yi
the Wuju Bladesman
Karthus wins against Master Yi 44.90% of the time which is 2.98% lower against Master Yi than the average opponent.
After normalising both champions win rates Karthus wins against Master Yi 1.03% more often than would be expected.
The average opponent winrate against Master Yi is 47.88%.


Kayn
the Shadow Reaper
Karthus wins against Kayn 46.02% of the time which is 3.65% lower against Kayn than the average opponent.
After normalising both champions win rates Karthus wins against Kayn 0.38% more often than would be expected.
The average opponent winrate against Kayn is 49.67%.


Sylas
the Unshackled
Karthus wins against Sylas 51.80% of the time which is 0.33% lower against Sylas than the average opponent.
After normalising both champions win rates Karthus wins against Sylas 3.71% more often than would be expected.
The average opponent winrate against Sylas is 52.13%.


Lee Sin
the Blind Monk
Karthus wins against Lee Sin 54.36% of the time which is 2.72% higher against Lee Sin than the average opponent.
After normalising both champions win rates Karthus wins against Lee Sin 6.76% more often than would be expected.
The average opponent winrate against Lee Sin is 51.64%.