

Rammus vs Karthus Counter Pick
Matchup Summary
What the Data Means
How does Rammus really do against Karthus in Jungle? The numbers below come from live ranked matchup data. Across 125 recorded games on patch 16.13.1, Rammus wins 58.4% of the time against Karthus. That puts the matchup in Rammus’s favor — the win rate sits above break-even, making Karthus one of the targets Rammus punishes most reliably.
When reading this matchup, weigh the sample size as much as the percentage — bigger samples mean the number is less likely to swing with the next patch. The stats refresh automatically every 48 hours from ranked games at Emerald and above, so this page always reflects the current meta rather than an old snapshot. For itemization and runes, open the current Rammus build; both champions’ full profiles and remaining matchups are linked below.
FAQ
Yes — Rammus holds the statistical advantage in this matchup. Rammus wins 58.4% of the recorded games.
58.4% from Rammus's perspective, measured on patch 16.13.1.
125 ranked games at Emerald rank and above, across all regions.
The current Rammus build — items, runes and skill order from the same data set — is on the Rammus build page.