Aatrox - League of Legends Champion
Win Rate
50.0%
Pick Rate
2.9%

Aatroxvs Karthus

CFighter
Patch26.7
Matches949,984
LaneAll Lanes
TierAll Tiers
Last UpdatedApr 22, 2026
MethodologyData Methodology

Aatrox vs Karthus is a decisive matchup in LoL patch 26.7. Karthus wins with a 57.1% win rate (+14.3%) over Aatrox based on 7 games. Karthus wins the early laning phase while Aatrox scales better into the late game. Below you'll find the best Aatrox build, runes, laning stats, and strategies for the Aatrox vs Karthus matchup.

Aatrox Matchup Breakdown

Use the dropdown to select an opponent and see a detailed breakdown of how Aatrox 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 - 42.9% win rateKarthus(42.9%)
Aatrox - 42.9% win rate in this matchup
Aatrox
42.9% WR
VS
Karthus vs Aatrox matchup - 57.1% win rate
Karthus
57.1% WR

Who Wins the Aatrox vs Karthus Matchup?

Karthus wins the Aatrox vs Karthus matchup
Winner
Karthus
Matches: 7
42.9%
Win Rate
57.1%
2.7
CS / min
2.8
785
DMG / min
1,235
14,663
Gold / game
15,411
719
Heal / min
296
1,144
DMG Mitigated / min
560
0.7
CC / min
0.6
0.0%
Early Game WR
100.0%
60.0%
Late Game WR
40.0%

Aatrox vs Karthus Matchup Summary

The Aatrox vs Karthus 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: Karthus controls the early laning stage, but Aatrox outscales as the game goes longer. The matchup shifts dramatically depending on game length — Karthus needs to press advantages before Aatrox reaches their power spikes, while Aatrox should focus on safe farming and hitting key item breakpoints. The most significant statistical gap is in sustain, where Aatrox leads by 1,007 HP/min — a difference that heavily influences the outcome of trades and skirmishes. Karthus has a strong advantage in this matchup. Aatrox players should play defensively, prioritize safe farming under tower, and look for opportunities created by jungle pressure or Karthus 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.

Aatrox vs Karthus Laning Phase Breakdown

Karthus wins the laning phase against Aatrox in League of Legends

Karthus is favored during the laning phase against Aatrox, 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
2.7Aatrox
2.8Karthus
Aatrox and Karthus farm at nearly identical rates in this matchup, with only a 0.1 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
785Aatrox
1,235Karthus
Karthus heavily out-damages Aatrox by 451 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
14,663Aatrox
15,411Karthus
Karthus earns 748 more gold per game than Aatrox, equivalent to roughly one additional component item. This economic edge comes from a combination of better farming, kill participation, and objective control, giving Karthus slightly faster item completions.
Utility
0.7Aatrox
0.6Karthus
Both Aatrox and Karthus 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
1,863Aatrox
856Karthus
Aatrox vastly out-sustains Karthus, healing and mitigating 1,007 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 Aatrox Build Against Karthus

Mercury's Treads is the optimal boots choice against Karthus, providing the mobility and stats Aatrox needs most in this matchup. The top-performing core items for Aatrox against Karthus are Sundered Sky, Spear of Shojin and Maw of Malmortius. This combination gives Aatrox 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 Aatrox vs Karthus matchup.

Early Game vs Late Game

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

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

Aatrox is far superior in the late game (25+ minutes), boasting a 60.0% win rate — 20.0 points above Karthus. Extended games heavily favor Aatrox, 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 Aatrox reaches their scaling breakpoints. If Aatrox 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 Aatrox Runes Against Karthus

Precision rune tree - Aatrox primary runes vs KarthusPrecision
Conqueror - best Aatrox rune vs KarthusTriumph - best Aatrox rune vs KarthusLegend: Haste - best Aatrox rune vs KarthusLast Stand - best Aatrox rune vs Karthus
Inspiration rune tree - Aatrox secondary runes vs KarthusInspiration
Cosmic Insight - best Aatrox rune vs KarthusMagical Footwear - best Aatrox rune vs Karthus
100.0% WR

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


Aatrox matchup data for League of Legends patch 26.7. The table below shows Aatrox'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 Aatrox build, runes, laning stats, and early vs late game analysis for that specific matchup.

Aatrox 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
45.16%1556.486611,86444.3%45.9%
51.79%1126.079711,31255.4%48.2%
50.00%965.786311,44343.9%54.5%
56.72%675.579511,93162.1%52.6%
50.00%626.495611,30846.9%53.3%
45.00%605.969811,10045.8%44.4%
53.45%586.51,15612,01353.6%53.3%
47.37%575.895011,20054.3%36.4%
58.93%566.695611,82152.0%64.5%
61.82%554.91,17611,88354.8%70.8%
45.45%556.495611,64952.0%40.0%
41.18%516.386411,44646.4%34.8%
51.02%496.190211,77045.8%56.0%
55.10%496.374112,02947.8%61.5%
54.17%485.278512,08754.5%53.9%
43.75%485.888412,45140.9%46.1%
52.17%466.385012,43542.1%59.3%
47.83%462.683512,49568.2%29.2%
42.22%456.384112,09544.4%40.7%
54.55%446.297611,80052.4%56.5%
47.73%445.182911,35647.8%47.6%
46.51%435.085811,48655.0%39.1%
57.14%426.881912,25758.3%55.6%
60.00%405.588712,02464.3%57.7%
51.28%396.679610,13755.6%41.7%
50.00%386.480411,42557.9%42.1%
50.00%386.61,00713,49944.4%51.7%
48.65%375.990511,72438.9%57.9%
41.67%366.065610,49428.6%60.0%
67.65%342.184213,45675.0%63.6%
44.12%345.566310,79850.0%37.5%
54.55%336.080911,42558.8%50.0%
57.58%335.91,03410,80163.6%45.5%
53.13%321.380711,52755.6%50.0%
43.33%301.377212,94850.0%38.9%
37.93%296.190711,29153.3%21.4%
51.72%292.591113,54954.5%50.0%
31.03%296.364410,33726.7%35.7%
53.57%281.473412,72068.8%33.3%
39.29%286.392711,29616.7%56.3%
25.93%275.865510,86344.4%16.7%
34.62%266.31,00210,88216.7%50.0%
38.46%265.670111,58838.5%38.5%
50.00%245.381612,60066.7%40.0%
47.83%230.974110,37960.0%25.0%
68.18%221.583114,10372.7%63.6%
61.90%214.378111,22358.8%75.0%
52.38%216.41,03512,23650.0%54.5%
55.00%206.279110,05650.0%66.7%
50.00%206.387612,05766.7%25.0%
47.37%192.771011,69763.6%25.0%
50.00%186.887411,12571.4%36.4%
62.50%161.373814,68733.3%80.0%
62.50%166.375211,61285.7%44.4%
46.67%156.476810,51450.0%44.4%
60.00%155.591014,09528.6%87.5%
26.67%157.088810,61837.5%14.3%
50.00%145.392411,34050.0%50.0%
64.29%145.682111,03080.0%55.6%
57.14%141.377513,03855.6%60.0%
76.92%131.170512,23366.7%85.7%
38.46%133.178910,99244.4%25.0%
46.15%131.572314,74480.0%25.0%
25.00%126.36588,56833.3%0.0%
33.33%120.873212,21433.3%33.3%
63.64%111.274913,56771.4%50.0%
40.00%105.91,09614,1560.0%44.4%
30.00%101.883312,76125.0%33.3%
50.00%101.170312,21533.3%57.1%
20.00%102.459110,85833.3%14.3%
70.00%101.781913,55775.0%66.7%
33.33%91.265211,04828.6%50.0%
88.89%91.191613,96980.0%100.0%
62.50%82.795313,79666.7%60.0%
62.50%85.886411,03360.0%66.7%
25.00%83.36809,22733.3%0.0%
87.50%86.28529,71775.0%100.0%
75.00%81.677512,67980.0%66.7%
37.50%82.94359,14840.0%33.3%
28.57%75.698513,09033.3%25.0%
57.14%75.41,04910,44480.0%0.0%
42.86%70.64609,79850.0%0.0%
28.57%71.683713,4110.0%33.3%
42.86%71.275513,264100.0%33.3%
42.86%72.778514,6630.0%60.0%
57.14%73.482710,52566.7%0.0%
33.33%62.369510,78220.0%100.0%
100.00%67.272111,667100.0%100.0%
50.00%66.486011,54775.0%0.0%
40.00%50.670911,8970.0%100.0%
60.00%51.95407,31160.0%0.0%
80.00%55.27289,04275.0%100.0%
80.00%56.48419,21666.7%100.0%
40.00%56.194312,56250.0%33.3%
80.00%52.380010,87966.7%100.0%

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Aatrox vs Karthus - Frequently Asked Questions

How does Aatrox do against Karthus in League of Legends?

Karthus wins the Aatrox vs Karthus 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 26.7.

How does Aatrox do against Karthus in the early game?

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

How does Aatrox do against Karthus in the late game?

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

Who wins the Aatrox vs Karthus matchup?

Karthus wins the matchup against Aatrox with a 57.1% win rate in League of Legends patch 26.7. The 14.3 percentage point advantage means Karthus is significantly favored in this lane matchup based on 7 games analyzed.

What is the best Aatrox build against Karthus?

The best Aatrox build against Karthus includes Sundered Sky, Spear of Shojin, Maw of Malmortius with Mercury's Treads. Check the matchup breakdown above for the full item path and build order.

What are the best Aatrox runes against Karthus?

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

Does Aatrox counter Karthus?

No, Aatrox struggles against Karthus with only a 42.9% win rate. Karthus has the advantage in this matchup. Aatrox players should focus on safe farming and avoiding extended trades to minimize Karthus's lead.

How do I play Aatrox against Karthus?

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