Karthus - League of Legends Champion
Win Rate
50.0%
Pick Rate
1.1%

Karthusvs Amumu

CMage
Patch26.11
Matches776,441
LaneAll Lanes
TierAll Tiers
Last UpdatedJun 5, 2026
MethodologyData Methodology

Karthus vs Amumu is a decisive matchup in LoL patch 26.11. Amumu wins with a 59.3% win rate (+18.5%) over Karthus based on 27 games. Amumu 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 Amumu 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 - 40.7% win rate in this matchup
Karthus
40.7% WR
VS
Amumu vs Karthus matchup - 59.3% win rate
Amumu
59.3% WR

Who Wins the Karthus vs Amumu Matchup?

Amumu wins the Karthus vs Amumu matchup
Winner
Amumu
Matches: 27
40.7%
Win Rate
59.3%
1.3
CS / min
1.0
1,335
DMG / min
612
15,992
Gold / game
14,400
289
Heal / min
331
571
DMG Mitigated / min
1,463
0.7
CC / min
1.3
16.7%
Early Game WR
83.3%
47.6%
Late Game WR
52.4%

Karthus vs Amumu Matchup Summary

The Karthus vs Amumu matchup is a decisive matchup in League of Legends ranked play. Based on 27 recent matches analyzed, Amumu wins with a 59.3% win rate compared to Karthus's 40.7%, giving Amumu a 18.5 percentage point advantage. Amumu 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 damage output, where Karthus leads by 723 DMG/min — a difference that heavily influences the outcome of trades and skirmishes. Amumu 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 Amumu 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 Amumu Laning Phase Breakdown

Karthus wins the laning phase against Amumu in League of Legends

Karthus is favored during the laning phase against Amumu, winning 3 out of 5 key stat categories. Karthus holds advantages in farming, damage and gold income, making them the stronger laner in this matchup.

Farming
1.3Karthus
1.0Amumu
Karthus and Amumu farm at nearly identical rates in this matchup, with only a 0.3 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
1,335Karthus
612Amumu
Karthus heavily out-damages Amumu by 723 DMG/min, dominating both short trades and all-in fights. Amumu 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
15,992Karthus
14,400Amumu
Karthus generates a commanding 1,592 more gold per game than Amumu. This substantial economic advantage means Karthus consistently reaches key item breakpoints earlier, creating a compounding lead that grows throughout the game. Amumu should focus on cost-effective item choices and avoid unnecessary deaths to prevent falling further behind.
Utility
0.7Karthus
1.3Amumu
Amumu provides 0.6 seconds more crowd control per minute than Karthus, offering better gank setup potential and slightly more team fight utility. This CC advantage helps Amumu coordinate with their jungler and control the pace of skirmishes.
Sustain
860Karthus
1,794Amumu
Amumu vastly out-sustains Karthus, healing and mitigating 934 more damage per minute. This massive durability gap means Amumu 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 Amumu

Sorcerer's Shoes is the optimal boots choice against Amumu, providing the mobility and stats Karthus needs most in this matchup. The top-performing core items for Karthus against Amumu are Liandry's Torment, Zhonya's Hourglass and Void Staff. This combination gives Karthus an effective balance of damage, survivability, and utility for the matchup. This build performs exceptionally well, achieving a 100.0% win rate across 2 games — well above average and making it the top item path against Amumu. Adjustments may be needed based on team compositions and game state, but this build provides the strongest foundation for the Karthus vs Amumu matchup.

Early Game vs Late Game

Early Game
Amumu
83.3%
+66.7% advantage
Karthus early game win rateKarthus16.7%
Amumu early game win rateAmumu83.3%
Late Game
Amumu
52.4%
+4.8% advantage
Karthus late game win rateKarthus47.6%
Amumu late game win rateAmumu52.4%

Amumu dominates the early game (first 15 minutes) with a commanding 83.3% win rate — a 66.7 percentage point lead over Karthus. This lopsided early game means Amumu can dictate the pace of the lane from level 1, controlling trades, wave state, and river priority.

In the late game (25+ minutes), Amumu takes over with a 52.4% win rate, leading Karthus by 4.8 percentage points. Amumu scales more effectively into team fights and objective contests.

Amumu 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 Amumu

Domination rune tree - Karthus primary runes vs AmumuDomination
Dark Harvest - best Karthus rune vs AmumuTaste of Blood - best Karthus rune vs AmumuGrisly Mementos - best Karthus rune vs AmumuUltimate Hunter - best Karthus rune vs Amumu
Sorcery rune tree - Karthus secondary runes vs AmumuSorcery
Axiom Arcanist - best Karthus rune vs AmumuGathering Storm - best Karthus rune vs Amumu
100.0% WR

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


Karthus matchup data for League of Legends patch 26.11. 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 26.11
Opponent
Win Rate
Matches
CS/min
DMG/min
Gold/game
Early WR
Late WR
49.09%551.41,03012,95747.8%50.0%
43.64%551.71,17013,03740.0%46.7%
45.10%511.61,05713,34631.8%55.2%
59.18%496.31,29113,60950.0%65.5%
52.08%481.51,25914,65547.1%54.8%
42.22%451.51,01713,07143.8%41.4%
37.78%451.31,02712,76840.9%34.8%
64.44%456.51,32616,02286.7%53.3%
50.00%426.61,19713,07066.7%33.3%
43.59%396.31,21513,23850.0%36.8%
57.89%381.41,26313,76053.3%60.9%
47.37%381.51,14413,40237.5%54.5%
34.21%381.91,06712,86740.0%30.4%
43.24%371.81,21213,46357.1%34.8%
38.24%347.01,24713,84233.3%42.1%
46.88%321.81,14612,84538.5%52.6%
43.33%301.81,29414,56958.3%33.3%
55.17%296.11,20312,39066.7%42.9%
46.43%281.41,03012,47453.3%38.5%
57.14%286.61,42315,21450.0%62.5%
40.74%271.31,33515,99216.7%47.6%
28.00%251.81,16313,29530.0%26.7%
66.67%241.61,14614,33775.0%58.3%
45.45%221.51,30714,90550.0%44.4%
66.67%212.21,20113,57277.8%58.3%
55.00%201.61,26713,96860.0%50.0%
68.42%195.61,49616,092100.0%60.0%
63.16%191.31,11614,40962.5%63.6%
38.89%181.51,44814,53542.9%36.4%
55.56%186.41,27613,45466.7%44.4%
72.22%185.11,12111,32260.0%87.5%
35.29%171.51,05612,45536.4%33.3%
52.94%171.31,37015,16157.1%50.0%
76.47%176.51,26315,48280.0%75.0%
47.06%171.596012,24444.4%50.0%
52.94%176.51,33013,71966.7%45.5%
43.75%161.41,24415,49750.0%41.7%
56.25%161.31,08013,22180.0%45.5%
53.33%155.41,37313,67875.0%45.5%
35.71%141.61,23913,56744.4%20.0%
28.57%146.71,35911,93450.0%12.5%
42.86%142.41,25014,77740.0%44.4%
50.00%141.61,08215,54125.0%60.0%
69.23%136.51,30513,96557.1%83.3%
61.54%136.51,25612,93960.0%62.5%
53.85%132.51,05212,27675.0%44.4%
58.33%125.91,02710,26957.1%60.0%
83.33%121.31,22913,18380.0%85.7%
50.00%125.41,34014,96775.0%37.5%
45.45%111.41,03113,14557.1%25.0%
72.73%111.61,02712,997100.0%57.1%
27.27%115.91,13213,2320.0%42.9%
30.00%103.21,05913,47225.0%33.3%
70.00%107.41,27115,568100.0%57.1%
70.00%102.91,14415,271100.0%62.5%
50.00%107.21,13812,21650.0%50.0%
40.00%102.91,37615,5780.0%44.4%
55.56%95.51,26613,15150.0%60.0%
33.33%94.992710,92520.0%50.0%
44.44%96.21,07210,46733.3%66.7%
55.56%93.31,21214,875100.0%42.9%
55.56%91.41,25215,076100.0%42.9%
77.78%92.91,16514,15366.7%83.3%
33.33%92.11,19513,83433.3%33.3%
87.50%81.31,11314,33780.0%100.0%
25.00%81.31,28513,22250.0%16.7%
87.50%86.41,18214,46450.0%100.0%
75.00%81.71,65016,96550.0%83.3%
75.00%86.71,19715,02375.0%75.0%
62.50%82.099113,519100.0%50.0%
37.50%81.799613,5240.0%50.0%
57.14%76.31,63217,174100.0%50.0%
42.86%72.91,10811,95025.0%66.7%
14.29%71.190712,62625.0%0.0%
71.43%76.91,20214,28450.0%80.0%
85.71%75.51,33217,1080.0%85.7%
42.86%74.11,21013,9640.0%50.0%
28.57%76.01,44213,3670.0%40.0%
57.14%77.01,42713,69033.3%75.0%
57.14%72.41,12412,10740.0%100.0%
85.71%71.01,06214,10450.0%100.0%
50.00%67.11,38812,74350.0%50.0%
33.33%66.81,14411,4860.0%66.7%
66.67%64.21,44015,135100.0%60.0%
33.33%62.39659,7790.0%50.0%
33.33%62.51,07412,12050.0%0.0%
33.33%66.61,31611,4480.0%66.7%
16.67%65.81,30313,2700.0%25.0%
50.00%62.51,43716,7350.0%75.0%
20.00%56.31,40913,9390.0%33.3%
40.00%55.37986,5180.0%100.0%
40.00%51.11,41814,8040.0%50.0%
40.00%53.41,19015,0350.0%50.0%
60.00%54.61,65613,73266.7%50.0%
80.00%56.71,33110,47066.7%100.0%
60.00%52.01,29214,405100.0%50.0%
20.00%56.01,20610,84633.3%0.0%
40.00%56.71,01212,7100.0%50.0%
40.00%56.31,48213,690100.0%25.0%
60.00%55.91,40013,38366.7%50.0%
40.00%56.51,1899,67725.0%100.0%

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Karthus vs Amumu - Frequently Asked Questions

How does Karthus do against Amumu in League of Legends?

Amumu wins the Karthus vs Amumu matchup with a 59.3% win rate compared to Karthus's 40.7%, a 18.5 percentage point difference. This data is based on 27 recent ranked games in patch 26.11.

How does Karthus do against Amumu in the early game?

In the early game, Amumu has the advantage against Karthus with a 83.3% win rate versus 16.7%. Amumu players should look to press their lane advantage through aggressive trades and wave control during the first 15 minutes.

How does Karthus do against Amumu in the late game?

In the late game, Amumu takes over the Karthus vs Amumu matchup with a 52.4% win rate compared to 47.6%. Amumu scales better into team fights and objective contests after 25 minutes.

Who wins the Karthus vs Amumu matchup?

Amumu wins the matchup against Karthus with a 59.3% win rate in League of Legends patch 26.11. The 18.5 percentage point advantage means Amumu is significantly favored in this lane matchup based on 27 games analyzed.

What is the best Karthus build against Amumu?

The best Karthus build against Amumu includes Liandry's Torment, Zhonya's Hourglass, Void Staff with Sorcerer's Shoes. This build achieves a 100.0% win rate in the matchup. Check the matchup breakdown above for the full item path and build order.

What are the best Karthus runes against Amumu?

The best Karthus runes against Amumu use the Domination primary tree with Sorcery secondary. This rune setup achieves a 100.0% win rate in the Karthus vs Amumu matchup. See the full rune breakdown in the matchup comparison above.

Does Karthus counter Amumu?

No, Karthus struggles against Amumu with only a 40.7% win rate. Amumu has the advantage in this matchup. Karthus players should focus on safe farming and avoiding extended trades to minimize Amumu's lead.

How do I play Karthus against Amumu?

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