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.
Iron Champions Analysed: 12,309,638
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 middle vs support Counters
Presently there is insufficent games played by Karthus middle on Patch 14.19 to determine the strongest support counters. A matchup requires a minimum of 100 games to be displayed.
Leona
Bình Minh Rực Rỡ
Karthus wins against Leona 38.61% of the time which is 12.57% lower against Leona than the average opponent.
After normalising both champions win rates Karthus wins against Leona 5.92% less often than would be expected.
The average opponent winrate against Leonais 51.18%.
Seraphine
Ca Sĩ Mộng Mơ
Karthus wins against Seraphine 40.54% of the time which is 11.20% lower against Seraphine than the average opponent.
After normalising both champions win rates Karthus wins against Seraphine 4.55% less often than would be expected.
The average opponent winrate against Seraphineis 51.74%.
Lux
Tiểu Thư Ánh Sáng
Karthus wins against Lux 43.04% of the time which is 6.85% lower against Lux than the average opponent.
After normalising both champions win rates Karthus wins against Lux 0.21% less often than would be expected.
The average opponent winrate against Luxis 49.89%.
Morgana
Thiên Thần Sa Ngã
Karthus wins against Morgana 44.19% of the time which is 5.82% lower against Morgana than the average opponent.
After normalising both champions win rates Karthus wins against Morgana 0.82% more often than would be expected.
The average opponent winrate against Morganais 50.01%.