

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.
D2+ Champions Analysed: 4,148,544
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 top Counters
Karthus bottom on Patch 15.17 is the strongest counter to top champions of Mordekaiser, Jax & Darius. While Karthus bottom is countered most by top champions of Fiora, Aatrox & Ambessa. Below is a detailed breakdown of Karthus bottom counters against top champions with a minimum of 100 games.


Fiora
the Grand Duelist
Karthus wins against Fiora 45.19% of the time which is 2.25% lower against Fiora than the average opponent.
After normalising both champions win rates Karthus wins against Fiora 7.75% less often than would be expected.
The average opponent winrate against Fiora is 47.44%.


Aatrox
the Darkin Blade
Karthus wins against Aatrox 49.66% of the time which is 0.06% higher against Aatrox than the average opponent.
After normalising both champions win rates Karthus wins against Aatrox 5.43% less often than would be expected.
The average opponent winrate against Aatrox is 49.60%.


Ambessa
Matriarch of War
Karthus wins against Ambessa 51.82% of the time which is 2.53% higher against Ambessa than the average opponent.
After normalising both champions win rates Karthus wins against Ambessa 2.97% less often than would be expected.
The average opponent winrate against Ambessa is 49.29%.


Renekton
the Butcher of the Sands
Karthus wins against Renekton 58.47% of the time which is 8.37% higher against Renekton than the average opponent.
After normalising both champions win rates Karthus wins against Renekton 2.88% more often than would be expected.
The average opponent winrate against Renekton is 50.10%.


Darius
the Hand of Noxus
Karthus wins against Darius 62.02% of the time which is 13.42% higher against Darius than the average opponent.
After normalising both champions win rates Karthus wins against Darius 7.92% more often than would be expected.
The average opponent winrate against Darius is 48.60%.


Jax
Grandmaster at Arms
Karthus wins against Jax 62.04% of the time which is 13.86% higher against Jax than the average opponent.
After normalising both champions win rates Karthus wins against Jax 8.36% more often than would be expected.
The average opponent winrate against Jax is 48.18%.


Mordekaiser
the Iron Revenant
Karthus wins against Mordekaiser 65.69% of the time which is 16.45% higher against Mordekaiser than the average opponent.
After normalising both champions win rates Karthus wins against Mordekaiser 10.95% more often than would be expected.
The average opponent winrate against Mordekaiser is 49.24%.