Karthus - League of Legends Champion
Win Rate
49.3%
Pick Rate
1.3%

Karthusvs Ambessa

DMage
Patch26.7
Matches949,984
LaneAll Lanes
TierAll Tiers
Last UpdatedApr 21, 2026
MethodologyData Methodology

Karthus vs Ambessa is a decisive matchup in LoL patch 26.7. Ambessa wins with a 75.0% win rate (+50.0%) over Karthus based on 12 games. Ambessa wins the early laning phase while Karthus scales better into the late game. Below you'll find the best Karthus build, runes, laning stats, and strategies for the Karthus vs Ambessa matchup.

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
Ambessa - 25.0% win rateAmbessa(25.0%)
Karthus - 25.0% win rate in this matchup
Karthus
25.0% WR
VS
Ambessa vs Karthus matchup - 75.0% win rate
Ambessa
75.0% WR

Who Wins the Karthus vs Ambessa Matchup?

Ambessa wins the Karthus vs Ambessa matchup
Winner
Ambessa
Matches: 12
25.0%
Win Rate
75.0%
1.2
CS / min
1.0
1,076
DMG / min
966
13,887
Gold / game
15,176
287
Heal / min
500
428
DMG Mitigated / min
1,265
0.6
CC / min
0.6
0.0%
Early Game WR
100.0%
60.0%
Late Game WR
40.0%

Karthus vs Ambessa Matchup Summary

The Karthus vs Ambessa matchup is a decisive matchup in League of Legends ranked play. Based on 12 recent matches analyzed, Ambessa wins with a 75.0% win rate compared to Karthus's 25.0%, giving Ambessa a 50.0 percentage point advantage. Game phase dynamics play a critical role here: Ambessa controls the early laning stage, but Karthus outscales as the game goes longer. The matchup shifts dramatically depending on game length — Ambessa needs to press advantages before Karthus reaches their power spikes, while Karthus should focus on safe farming and hitting key item breakpoints. The most significant statistical gap is in sustain, where Ambessa leads by 1,050 HP/min — a difference that heavily influences the outcome of trades and skirmishes. Ambessa 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 Ambessa 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 Ambessa Laning Phase Breakdown

Karthus wins the laning phase against Ambessa in League of Legends

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

Farming
1.2Karthus
1.0Ambessa
Karthus and Ambessa farm at nearly identical rates in this matchup, with only a 0.2 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
1,076Karthus
966Ambessa
Karthus heavily out-damages Ambessa by 109 DMG/min, dominating both short trades and all-in fights. Ambessa 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
13,887Karthus
15,176Ambessa
Ambessa generates a commanding 1,289 more gold per game than Karthus. This substantial economic advantage means Ambessa consistently reaches key item breakpoints earlier, creating a compounding lead that grows throughout the game. Karthus should focus on cost-effective item choices and avoid unnecessary deaths to prevent falling further behind.
Utility
0.6Karthus
0.6Ambessa
Both Karthus and Ambessa provide similar amounts of crowd control (0.0s/min difference), meaning neither has a significant advantage in locking down opponents for ganks or team fights. Lane ganks are equally effective for both sides.
Sustain
715Karthus
1,765Ambessa
Ambessa vastly out-sustains Karthus, healing and mitigating 1,050 more damage per minute. This massive durability gap means Ambessa 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 Ambessa

Sorcerer's Shoes is the optimal boots choice against Ambessa, providing the mobility and stats Karthus needs most in this matchup. The top-performing core items for Karthus against Ambessa are Shadowflame, Zhonya's Hourglass and Blackfire Torch. 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 Ambessa matchup.

Early Game vs Late Game

Early Game
Ambessa
100.0%
+100.0% advantage
Karthus early game win rateKarthus0.0%
Ambessa early game win rateAmbessa100.0%
Late Game
Karthus
60.0%
+20.0% advantage
Karthus late game win rateKarthus60.0%
Ambessa late game win rateAmbessa40.0%

Ambessa dominates the early game (first 15 minutes) with a commanding 100.0% win rate — a 100.0 percentage point lead over Karthus. This lopsided early game means Ambessa can dictate the pace of the lane from level 1, controlling trades, wave state, and river priority.

Karthus is far superior in the late game (25+ minutes), boasting a 60.0% win rate — 20.0 points above Ambessa. Extended games heavily favor Karthus, whose kit and scaling make them a dominant force in team fights and objective control.

This matchup features a dramatic power shift: Ambessa must aggressively press their early advantage and close out the game before Karthus reaches their scaling breakpoints. If Karthus survives the laning phase without falling too far behind, the matchup flips in their favor. Dragon and Rift Herald control are pivotal — the team that secures early objectives can snowball or buy time to scale.

Best Karthus Runes Against Ambessa

Inspiration rune tree - Karthus primary runes vs AmbessaInspiration
First Strike - best Karthus rune vs AmbessaCash Back - best Karthus rune vs AmbessaTriple Tonic - best Karthus rune vs AmbessaJack Of All Trades - best Karthus rune vs Ambessa
Precision rune tree - Karthus secondary runes vs AmbessaPrecision
Triumph - best Karthus rune vs AmbessaCoup de Grace - best Karthus rune vs Ambessa
100.0% WR

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


Karthus matchup data for League of Legends patch 26.7. 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 26.7
Opponent
Win Rate
Matches
CS/min
DMG/min
Gold/game
Early WR
Late WR
48.78%411.51,24613,63464.7%37.5%
45.00%401.71,19914,67650.0%41.7%
37.84%371.81,20313,45342.9%34.8%
59.46%376.81,20414,13361.1%57.9%
58.33%361.41,18514,86346.1%65.2%
42.86%351.61,14713,92340.0%45.0%
44.12%341.41,12214,48658.3%36.4%
65.63%326.31,26613,64771.4%61.1%
50.00%281.61,25415,99971.4%42.9%
44.44%276.11,21913,94641.7%46.7%
59.26%276.01,24814,69160.0%58.8%
60.00%251.51,20814,13545.5%71.4%
63.64%222.01,41215,52085.7%53.3%
63.64%226.01,33115,66162.5%64.3%
57.89%191.21,11113,72737.5%72.7%
36.84%196.51,28014,54516.7%46.1%
42.11%191.51,29515,86340.0%42.9%
57.89%191.41,15014,33071.4%50.0%
47.06%176.41,29415,52850.0%46.1%
76.47%171.21,06613,39466.7%87.5%
47.06%171.81,19814,51350.0%46.1%
75.00%161.41,29814,71466.7%80.0%
56.25%161.51,14013,02250.0%62.5%
26.67%151.31,03412,14627.3%25.0%
33.33%152.11,14213,21320.0%40.0%
35.71%141.11,12013,85225.0%50.0%
38.46%131.21,08313,38916.7%57.1%
38.46%131.41,18614,42740.0%37.5%
23.08%132.21,01010,85522.2%25.0%
46.15%136.01,24613,80450.0%44.4%
53.85%137.11,16413,19242.9%66.7%
50.00%123.71,31914,92180.0%28.6%
50.00%121.21,22814,55325.0%62.5%
25.00%126.51,36414,04133.3%16.7%
83.33%121.41,23815,11766.7%88.9%
25.00%121.61,12615,19325.0%25.0%
66.67%127.31,53918,810100.0%60.0%
25.00%121.21,07613,8870.0%60.0%
50.00%121.31,03811,95450.0%50.0%
63.64%116.81,40515,26060.0%66.7%
63.64%112.91,09213,99266.7%62.5%
27.27%111.31,12512,25020.0%33.3%
18.18%111.51,18312,73025.0%14.3%
45.45%116.71,23014,91440.0%50.0%
70.00%105.91,26912,68760.0%80.0%
60.00%107.01,16813,68960.0%60.0%
60.00%101.41,38813,38660.0%60.0%
70.00%107.11,33314,53075.0%66.7%
33.33%97.31,21213,57820.0%50.0%
44.44%93.899013,717100.0%28.6%
22.22%96.81,08812,89120.0%25.0%
66.67%91.61,56915,98675.0%60.0%
66.67%91.81,22714,33780.0%50.0%
33.33%94.81,07213,64425.0%40.0%
50.00%86.71,22114,59460.0%33.3%
37.50%81.81,33816,668100.0%28.6%
42.86%72.11,10612,56733.3%50.0%
42.86%72.21,17211,38060.0%0.0%
42.86%72.01,37413,47750.0%33.3%
42.86%77.21,12512,97033.3%50.0%
71.43%75.71,05413,5520.0%100.0%
71.43%71.21,49615,8850.0%83.3%
14.29%72.91,23213,7160.0%33.3%
57.14%72.01,19112,95466.7%50.0%
42.86%72.11,19315,03550.0%40.0%
85.71%71.61,34617,646100.0%80.0%
57.14%72.81,23515,411100.0%40.0%
50.00%66.91,27912,34425.0%100.0%
66.67%61.31,38414,20166.7%66.7%
66.67%61.396311,486100.0%50.0%
33.33%65.41,55214,5320.0%33.3%
33.33%62.481311,29650.0%0.0%
66.67%64.01,15114,6630.0%80.0%
16.67%61.41,19215,1100.0%20.0%
50.00%61.61,26817,2400.0%60.0%
60.00%55.91,19113,24966.7%50.0%
40.00%51.61,10312,8790.0%66.7%
40.00%56.81,00311,9160.0%50.0%
60.00%55.11,47719,353100.0%50.0%
20.00%52.81,10312,98150.0%0.0%
60.00%53.17289,38375.0%0.0%
60.00%57.11,03414,8450.0%75.0%
20.00%58.21,15513,53650.0%0.0%
60.00%52.382213,48466.7%50.0%

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Karthus vs Ambessa - Frequently Asked Questions

How does Karthus do against Ambessa in League of Legends?

Ambessa wins the Karthus vs Ambessa matchup with a 75.0% win rate compared to Karthus's 25.0%, a 50.0 percentage point difference. This data is based on 12 recent ranked games in patch 26.7.

How does Karthus do against Ambessa in the early game?

In the early game, Ambessa has the advantage against Karthus with a 100.0% win rate versus 0.0%. Ambessa players should look to press their lane advantage through aggressive trades and wave control during the first 15 minutes.

How does Karthus do against Ambessa in the late game?

In the late game, Karthus takes over the Karthus vs Ambessa matchup with a 60.0% win rate compared to 40.0%. Karthus scales better into team fights and objective contests after 25 minutes.

Who wins the Karthus vs Ambessa matchup?

Ambessa wins the matchup against Karthus with a 75.0% win rate in League of Legends patch 26.7. The 50.0 percentage point advantage means Ambessa is significantly favored in this lane matchup based on 12 games analyzed.

What is the best Karthus build against Ambessa?

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

What are the best Karthus runes against Ambessa?

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

Does Karthus counter Ambessa?

No, Karthus struggles against Ambessa with only a 25.0% win rate. Ambessa has the advantage in this matchup. Karthus players should focus on safe farming and avoiding extended trades to minimize Ambessa's lead.

How do I play Karthus against Ambessa?

When playing Karthus against Ambessa, play cautiously and avoid Ambessa's power spikes. Focus on safe farming — you outscale Ambessa in the late game. Use the matchup-specific build and runes above to optimize your chances.