Karthus - League of Legends Champion
Win Rate
50.4%
Pick Rate
1.2%

Karthusvs Aatrox

BMage
Patch26.11
Matches776,441
LaneAll Lanes
TierAll Tiers
Last UpdatedJun 6, 2026
MethodologyData Methodology

Karthus vs Aatrox is a decisive matchup in LoL patch 26.11. Karthus wins with a 57.1% win rate (+14.3%) over Aatrox based on 7 games. Aatrox 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 Aatrox 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 - 57.1% win rate in this matchup
Karthus
57.1% WR
VS
Aatrox vs Karthus matchup - 42.9% win rate
Aatrox
42.9% WR

Who Wins the Karthus vs Aatrox Matchup?

Karthus wins the Karthus vs Aatrox matchup
Winner
Karthus
Matches: 7
57.1%
Win Rate
42.9%
2.4
CS / min
2.2
1,124
DMG / min
811
12,107
Gold / game
12,769
233
Heal / min
766
448
DMG Mitigated / min
1,500
0.6
CC / min
0.7
40.0%
Early Game WR
60.0%
100.0%
Late Game WR
0.0%

Karthus vs Aatrox Matchup Summary

The Karthus vs Aatrox matchup is a decisive matchup in League of Legends ranked play. Based on 7 recent matches analyzed, Karthus wins with a 57.1% win rate compared to Aatrox's 42.9%, giving Karthus a 14.3 percentage point advantage. Game phase dynamics play a critical role here: Aatrox controls the early laning stage, but Karthus outscales as the game goes longer. The matchup shifts dramatically depending on game length — Aatrox 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 Aatrox leads by 1,585 HP/min — a difference that heavily influences the outcome of trades and skirmishes. Karthus players can confidently pick into Aatrox and play aggressively from level 1. Look to establish lane dominance early through favorable trades and zone Aatrox away from CS whenever possible. Understanding these matchup dynamics is essential for champion select decisions and in-game strategy when facing this lane opponent.

Karthus vs Aatrox Laning Phase Breakdown

Aatrox wins the laning phase against Karthus in League of Legends

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

Farming
2.4Karthus
2.2Aatrox
Karthus and Aatrox 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
1,124Karthus
811Aatrox
Karthus heavily out-damages Aatrox by 312 DMG/min, dominating both short trades and all-in fights. Aatrox 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
12,107Karthus
12,769Aatrox
Aatrox earns 662 more gold per game than Karthus, equivalent to roughly one additional component item. This economic edge comes from a combination of better farming, kill participation, and objective control, giving Aatrox slightly faster item completions.
Utility
0.6Karthus
0.7Aatrox
Both Karthus and Aatrox provide similar amounts of crowd control (0.1s/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
681Karthus
2,266Aatrox
Aatrox vastly out-sustains Karthus, healing and mitigating 1,585 more damage per minute. This massive durability gap means Aatrox 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 Aatrox

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

Early Game vs Late Game

Early Game
Aatrox
60.0%
+20.0% advantage
Karthus early game win rateKarthus40.0%
Aatrox early game win rateAatrox60.0%
Late Game
Karthus
100.0%
+100.0% advantage
Karthus late game win rateKarthus100.0%
Aatrox late game win rateAatrox0.0%

Aatrox 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 Aatrox 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 100.0% win rate — 100.0 points above Aatrox. 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: Aatrox 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 Aatrox

Sorcery rune tree - Karthus primary runes vs AatroxSorcery
Deathfire Touch - best Karthus rune vs AatroxAxiom Arcanist - best Karthus rune vs AatroxAbsolute Focus - best Karthus rune vs AatroxGathering Storm - best Karthus rune vs Aatrox
Precision rune tree - Karthus secondary runes vs AatroxPrecision
Last Stand - best Karthus rune vs AatroxTriumph - best Karthus rune vs Aatrox
100.0% WR

Running Sorcery primary with Precision secondary allows Karthus to press their advantage against Aatrox, amplifying the strengths that make this a favorable matchup.


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 Aatrox - Frequently Asked Questions

How does Karthus do against Aatrox in League of Legends?

Karthus wins the Karthus vs Aatrox matchup with a 57.1% win rate compared to Aatrox's 42.9%, a 14.3 percentage point difference. This data is based on 7 recent ranked games in patch 26.11.

How does Karthus do against Aatrox in the early game?

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

How does Karthus do against Aatrox in the late game?

In the late game, Karthus takes over the Karthus vs Aatrox matchup with a 100.0% win rate compared to 0.0%. Karthus scales better into team fights and objective contests after 25 minutes.

Who wins the Karthus vs Aatrox matchup?

Karthus wins the matchup against Aatrox with a 57.1% win rate in League of Legends patch 26.11. The 14.3 percentage point advantage means Karthus is significantly favored in this lane matchup based on 7 games analyzed.

What is the best Karthus build against Aatrox?

The best Karthus build against Aatrox includes Stormsurge, Shadowflame, 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 Aatrox?

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

Does Karthus counter Aatrox?

Yes, Karthus has a favorable matchup against Aatrox with a 57.1% win rate. Karthus strongly counters Aatrox in lane based on current patch 26.11 data.

How do I play Karthus against Aatrox?

When playing Karthus against Aatrox, leverage your statistical advantages by trading aggressively during favorable windows. Play safe early and scale into your power spikes where you outperform Aatrox. Build the recommended items and runes for this specific matchup for the best results.