Karthus - League of Legends Champion
Win Rate
52.6%
Pick Rate
0.9%

Karthusvs Rammus

SMage
Patch26.14
Matches491,560
LaneAll Lanes
TierAll Tiers
Last UpdatedJul 22, 2026
MethodologyData Methodology

Karthus vs Rammus is a decisive matchup in LoL patch 26.14. Rammus wins with a 63.6% win rate (+27.3%) over Karthus based on 11 games. Rammus holds the advantage in both the early and late game. Below you'll find the best Karthus build, runes, laning stats, and strategies for the Karthus vs Rammus matchup.

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Karthus Matchup Breakdown

Use the dropdown to select an opponent and see a detailed breakdown of how Karthus performs against them. You'll get head-to-head win rates, laning stats, the best build and runes for the matchup, and early vs late game analysis — all based on real ranked data.

Compare against an opponent
Karthus - 36.4% win rate in this matchup
Karthus
36.4% WR
VS
Rammus vs Karthus matchup - 63.6% win rate
Rammus
63.6% WR

Who Wins the Karthus vs Rammus Matchup?

Rammus wins the Karthus vs Rammus matchup
Winner
Rammus
Matches: 11
36.4%
Win Rate
63.6%
1.2
CS / min
1.2
1,173
DMG / min
484
13,470
Gold / game
11,896
295
Heal / min
393
447
DMG Mitigated / min
2,533
0.7
CC / min
1.5
40.0%
Early Game WR
60.0%
33.3%
Late Game WR
66.7%

Karthus vs Rammus Matchup Summary

The Karthus vs Rammus matchup is a decisive matchup in League of Legends ranked play. Based on 11 recent matches analyzed, Rammus wins with a 63.6% win rate compared to Karthus's 36.4%, giving Rammus a 27.3 percentage point advantage. Rammus dominates at every stage — from early laning through late game team fights. This consistent advantage makes it difficult for Karthus players to find favorable windows, so team-dependent strategies and avoiding solo confrontations are essential. The most significant statistical gap is in sustain, where Rammus leads by 2,185 HP/min — a difference that heavily influences the outcome of trades and skirmishes. Rammus has a strong advantage in this matchup. Karthus players should play defensively, prioritize safe farming under tower, and look for opportunities created by jungle pressure or Rammus overextending. Avoid prolonged trades and wait for team fights where positioning and coordination matter more. Understanding these matchup dynamics is essential for champion select decisions and in-game strategy when facing this lane opponent.

Karthus vs Rammus Laning Phase Breakdown

Rammus wins the laning phase against Karthus in League of Legends

Rammus is favored during the laning phase against Karthus, winning 3 out of 5 key stat categories. Rammus holds advantages in farming, crowd control and sustain, making them the stronger laner in this matchup.

Farming
1.2Karthus
1.2Rammus
Karthus and Rammus farm at nearly identical rates in this matchup, with only a 0.0 CS/min difference. Neither champion holds a meaningful farming advantage, so lane dominance will come from trading and jungle interaction rather than CS leads.
Damage
1,173Karthus
484Rammus
Karthus heavily out-damages Rammus by 689 DMG/min, dominating both short trades and all-in fights. Rammus should avoid extended combat and instead focus on burst trade patterns — short engages followed by immediate disengagement — to avoid letting Karthus's sustained damage advantage take over.
Economy
13,470Karthus
11,896Rammus
Karthus generates a commanding 1,574 more gold per game than Rammus. This substantial economic advantage means Karthus consistently reaches key item breakpoints earlier, creating a compounding lead that grows throughout the game. Rammus should focus on cost-effective item choices and avoid unnecessary deaths to prevent falling further behind.
Utility
0.7Karthus
1.5Rammus
Rammus brings significantly more crowd control than Karthus, with 0.8 more seconds of CC per minute. This large utility gap makes Rammus far more valuable in setting up jungle ganks, controlling objectives, and locking down targets in team fights. Karthus should invest in tenacity and position carefully to avoid being chain-CC'd.
Sustain
742Karthus
2,927Rammus
Rammus vastly out-sustains Karthus, healing and mitigating 2,185 more damage per minute. This massive durability gap means Rammus can absorb significant punishment and remain in lane while Karthus is forced to recall. Building grievous wounds early is essential for Karthus, and focusing on burst trade patterns rather than sustained fights is critical.

Best Karthus Build Against Rammus

Sorcerer's Shoes is the optimal boots choice against Rammus, providing the mobility and stats Karthus needs most in this matchup. The top-performing core items for Karthus against Rammus are Shadowflame, Zhonya's Hourglass and Void Staff. This combination gives Karthus an effective balance of damage, survivability, and utility for the matchup. Adjustments may be needed based on team compositions and game state, but this build provides the strongest foundation for the Karthus vs Rammus matchup.

Early Game vs Late Game

Early Game
Rammus
60.0%
+20.0% advantage
Karthus early game win rateKarthus40.0%
Rammus early game win rateRammus60.0%
Late Game
Rammus
66.7%
+33.3% advantage
Karthus late game win rateKarthus33.3%
Rammus late game win rateRammus66.7%

Rammus dominates the early game (first 15 minutes) with a commanding 60.0% win rate — a 20.0 percentage point lead over Karthus. This lopsided early game means Rammus can dictate the pace of the lane from level 1, controlling trades, wave state, and river priority.

Rammus is far superior in the late game (25+ minutes), boasting a 66.7% win rate — 33.3 points above Karthus. Extended games heavily favor Rammus, whose kit and scaling make them a dominant force in team fights and objective control.

Rammus holds the advantage at every stage of the game, making this a consistently favorable matchup from lane through late game team fights. Karthus players should look for outplays, team-dependent strategies, and picks rather than relying on scaling to win this matchup.

Best Karthus Runes Against Rammus

Domination rune tree - Karthus primary runes vs RammusDomination
Dark Harvest - best Karthus rune vs RammusCheap Shot - best Karthus rune vs RammusGrisly Mementos - best Karthus rune vs RammusUltimate Hunter - best Karthus rune vs Rammus
Sorcery rune tree - Karthus secondary runes vs RammusSorcery
Axiom Arcanist - best Karthus rune vs RammusGathering Storm - best Karthus rune vs Rammus
33.3% WR

The Domination and Sorcery rune setup gives Karthus the best tools to compete against Rammus in this difficult matchup, compensating for the statistical disadvantages with optimal rune synergies.


Karthus matchup data for League of Legends patch 26.14. The table below shows Karthus's win rate, gold difference, and performance stats against every champion in the current meta. Click any champion name to see a detailed head-to-head breakdown including the best Karthus build, runes, laning stats, and early vs late game analysis for that specific matchup.

Karthus matchup win rates and stats in League of Legends patch 26.14
Opponent
Win Rate
Matches
CS/min
DMG/min
Gold/game
Early WR
Late WR
50.00%341.51,21014,46054.5%47.8%
53.85%261.71,10713,35375.0%44.4%
65.38%261.61,21314,12962.5%66.7%
42.86%211.61,27314,86962.5%30.8%
57.14%216.71,27214,85833.3%66.7%
66.67%216.91,36914,65075.0%61.5%
60.00%206.21,54715,16337.5%75.0%
47.37%192.31,29912,04137.5%54.5%
36.84%196.31,22212,59850.0%30.8%
63.16%191.31,18912,55066.7%61.5%
44.44%181.598412,23128.6%54.5%
41.18%171.31,17413,39350.0%36.4%
64.71%171.41,13313,53860.0%66.7%
58.82%176.11,29612,02328.6%80.0%
31.25%161.199810,23422.2%42.9%
37.50%161.21,03611,54922.2%57.1%
56.25%161.41,29115,82233.3%61.5%
53.33%153.81,15513,36371.4%37.5%
57.14%141.51,18916,77080.0%44.4%
71.43%141.11,31714,69160.0%77.8%
38.46%132.11,36416,13750.0%33.3%
69.23%131.71,10914,29450.0%77.8%
38.46%131.61,25013,79266.7%30.0%
38.46%131.91,01213,36340.0%37.5%
50.00%121.61,10111,97450.0%50.0%
50.00%121.31,07513,07060.0%42.9%
33.33%125.81,24213,03514.3%60.0%
36.36%111.21,17313,47040.0%33.3%
45.45%111.31,27013,00666.7%37.5%
45.45%111.41,19814,74550.0%44.4%
72.73%111.71,13312,27275.0%71.4%
40.00%106.41,24514,25550.0%37.5%
50.00%101.21,07211,23725.0%66.7%
60.00%103.81,32616,244100.0%55.6%
50.00%107.01,11913,92733.3%57.1%
50.00%106.11,27114,6470.0%62.5%
66.67%91.71,14715,247100.0%57.1%
77.78%96.61,16214,76466.7%83.3%
37.50%85.91,03911,3920.0%100.0%
87.50%84.11,12512,35175.0%100.0%
57.14%71.71,40716,43933.3%75.0%
57.14%76.81,18913,55850.0%60.0%
28.57%75.78099,61440.0%0.0%
71.43%75.31,42315,6410.0%83.3%
50.00%67.81,51610,97075.0%0.0%
16.67%66.81,0689,34925.0%0.0%
16.67%67.01,14313,26333.3%0.0%
66.67%65.71,15611,1440.0%100.0%
50.00%62.51,11011,40975.0%0.0%
66.67%67.51,51118,2240.0%80.0%
60.00%55.61,04712,658100.0%50.0%
60.00%51.41,36115,8020.0%75.0%
40.00%52.11,18610,48033.3%50.0%
60.00%52.31,12814,9440.0%75.0%
20.00%55.81,75514,34450.0%0.0%
40.00%57.01,62911,36466.7%0.0%
80.00%53.31,36913,229100.0%66.7%
40.00%53.21,67613,06650.0%33.3%
60.00%51.11,23114,7290.0%75.0%
100.00%21.51,21814,599100.0%100.0%

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Karthus vs Rammus - Frequently Asked Questions

How does Karthus do against Rammus in League of Legends?

Rammus wins the Karthus vs Rammus matchup with a 63.6% win rate compared to Karthus's 36.4%, a 27.3 percentage point difference. This data is based on 11 recent ranked games in patch 26.14.

How does Karthus do against Rammus in the early game?

In the early game, Rammus has the advantage against Karthus with a 60.0% win rate versus 40.0%. Rammus players should look to press their lane advantage through aggressive trades and wave control during the first 15 minutes.

How does Karthus do against Rammus in the late game?

In the late game, Rammus takes over the Karthus vs Rammus matchup with a 66.7% win rate compared to 33.3%. Rammus scales better into team fights and objective contests after 25 minutes.

Who wins the Karthus vs Rammus matchup?

Rammus wins the matchup against Karthus with a 63.6% win rate in League of Legends patch 26.14. The 27.3 percentage point advantage means Rammus is significantly favored in this lane matchup based on 11 games analyzed.

What is the best Karthus build against Rammus?

The best Karthus build against Rammus includes Shadowflame, Zhonya's Hourglass, Void Staff with Sorcerer's Shoes. Check the matchup breakdown above for the full item path and build order.

What are the best Karthus runes against Rammus?

The best Karthus runes against Rammus use the Domination primary tree with Sorcery secondary. This rune setup achieves a 33.3% win rate in the Karthus vs Rammus matchup. See the full rune breakdown in the matchup comparison above.

Does Karthus counter Rammus?

No, Karthus struggles against Rammus with only a 36.4% win rate. Rammus has the advantage in this matchup. Karthus players should focus on safe farming and avoiding extended trades to minimize Rammus's lead.

How do I play Karthus against Rammus?

When playing Karthus against Rammus, play cautiously and avoid Rammus's power spikes. Look for jungle assistance and team-dependent plays since Rammus has the statistical advantage at most stages. Use the matchup-specific build and runes above to optimize your chances.