Karthus has a 49.8% win rate in all ranks over 34,019 games when using Dark Harvest as keystone rune.
Find below a detailed breakdown of Karthus's builds, items, runes, matchups and more. You can filter most information by first item and main rune, by position and by elo.
EMERALD +
ALL RANKS
Win
49.8%
Games
34,019