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

Karthusvs Ambessa

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

Karthus vs Ambessa is a very close matchup in LoL patch 26.14. Karthus wins with a 50.0% win rate (+0.0%) over Ambessa based on 6 games. Karthus wins the early laning phase while Ambessa 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.

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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 - 50.0% win rate in this matchup
Karthus
50.0% WR
VS
Ambessa vs Karthus matchup - 50.0% win rate
Ambessa
50.0% WR

Who Wins the Karthus vs Ambessa Matchup?

Karthus wins the Karthus vs Ambessa matchup
Winner
Karthus
Matches: 6
50.0%
Win Rate
50.0%
2.5
CS / min
2.1
1,110
DMG / min
633
11,409
Gold / game
10,515
256
Heal / min
415
383
DMG Mitigated / min
1,100
0.7
CC / min
0.4
75.0%
Early Game WR
25.0%
0.0%
Late Game WR
100.0%

Karthus vs Ambessa Matchup Summary

The Karthus vs Ambessa matchup is essentially a coin-flip matchup in League of Legends ranked play. Based on 6 recent matches analyzed, Karthus wins with a 50.0% win rate compared to Ambessa's 50.0%, giving Karthus a 0.0 percentage point advantage. Game phase dynamics play a critical role here: Karthus controls the early laning stage, but Ambessa outscales as the game goes longer. The matchup shifts dramatically depending on game length — Karthus needs to press advantages before Ambessa reaches their power spikes, while Ambessa should focus on safe farming and hitting key item breakpoints. The most significant statistical gap is in sustain, where Ambessa leads by 876 HP/min — a difference that heavily influences the outcome of trades and skirmishes. Karthus has a statistical edge, but the margin is close enough that respecting Ambessa's strengths is important. Trade when cooldowns are favorable, track the enemy jungler, and build toward your strongest item spikes to convert the slight advantage into a decisive lead. 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 4 out of 5 key stat categories. Karthus holds advantages in farming, damage, gold income and crowd control, making them the stronger laner in this matchup.

Farming
2.5Karthus
2.1Ambessa
Karthus edges out Ambessa by 0.4 CS per minute — a moderate farming advantage that adds up to roughly 6 CS over a 15-minute laning phase. This translates to earlier component purchases and slightly faster power spikes for Karthus.
Damage
1,110Karthus
633Ambessa
Karthus heavily out-damages Ambessa by 477 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
11,409Karthus
10,515Ambessa
Karthus generates a commanding 895 more gold per game than Ambessa. This substantial economic advantage means Karthus consistently reaches key item breakpoints earlier, creating a compounding lead that grows throughout the game. Ambessa should focus on cost-effective item choices and avoid unnecessary deaths to prevent falling further behind.
Utility
0.7Karthus
0.4Ambessa
Karthus provides 0.3 seconds more crowd control per minute than Ambessa, offering better gank setup potential and slightly more team fight utility. This CC advantage helps Karthus coordinate with their jungler and control the pace of skirmishes.
Sustain
639Karthus
1,515Ambessa
Ambessa vastly out-sustains Karthus, healing and mitigating 876 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 Liandry's Torment, Rabadon's Deathcap and Blackfire Torch. 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 1 games — well above average and making it the top item path against Ambessa. 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
Karthus
75.0%
+50.0% advantage
Karthus early game win rateKarthus75.0%
Ambessa early game win rateAmbessa25.0%
Late Game
Ambessa
100.0%
+100.0% advantage
Karthus late game win rateKarthus0.0%
Ambessa late game win rateAmbessa100.0%

Karthus dominates the early game (first 15 minutes) with a commanding 75.0% win rate — a 50.0 percentage point lead over Ambessa. This lopsided early game means Karthus can dictate the pace of the lane from level 1, controlling trades, wave state, and river priority.

Ambessa is far superior in the late game (25+ minutes), boasting a 100.0% win rate — 100.0 points above Karthus. Extended games heavily favor Ambessa, whose kit and scaling make them a dominant force in team fights and objective control.

This matchup features a dramatic power shift: Karthus must aggressively press their early advantage and close out the game before Ambessa reaches their scaling breakpoints. If Ambessa 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

Sorcery rune tree - Karthus primary runes vs AmbessaSorcery
Deathfire Touch - best Karthus rune vs AmbessaAxiom Arcanist - best Karthus rune vs AmbessaTranscendence - best Karthus rune vs AmbessaGathering Storm - best Karthus rune vs Ambessa
Precision rune tree - Karthus secondary runes vs AmbessaPrecision
Legend: Haste - best Karthus rune vs AmbessaLast Stand - best Karthus rune vs Ambessa
100.0% WR

The Sorcery primary with Precision secondary combination helps Karthus maximize their potential in this closely contested matchup, providing the right mix of offensive and defensive tools to edge out Ambessa.


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 Ambessa - Frequently Asked Questions

How does Karthus do against Ambessa in League of Legends?

Karthus wins the Karthus vs Ambessa matchup with a 50.0% win rate compared to Ambessa's 50.0%, a 0.0 percentage point difference. This data is based on 6 recent ranked games in patch 26.14.

How does Karthus do against Ambessa in the early game?

In the early game, Karthus has the advantage against Ambessa with a 75.0% win rate versus 25.0%. Karthus 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, Ambessa takes over the Karthus vs Ambessa matchup with a 100.0% win rate compared to 0.0%. Ambessa scales better into team fights and objective contests after 25 minutes.

Who wins the Karthus vs Ambessa matchup?

Karthus wins the matchup against Ambessa with a 50.0% win rate in League of Legends patch 26.14. The 0.0 percentage point advantage means Karthus is slightly favored in this lane matchup based on 6 games analyzed.

What is the best Karthus build against Ambessa?

The best Karthus build against Ambessa includes Liandry's Torment, Rabadon's Deathcap, Blackfire Torch 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 Ambessa?

The best Karthus runes against Ambessa use the Sorcery 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?

Yes, Karthus has a favorable matchup against Ambessa with a 50.0% win rate. Karthus slightly edges out Ambessa in lane based on current patch 26.14 data.

How do I play Karthus against Ambessa?

When playing Karthus against Ambessa, leverage your statistical advantages by trading aggressively during favorable windows. You have early game priority — look for kills and zone control before first recall. Build the recommended items and runes for this specific matchup for the best results.