Xerath - League of Legends Champion
Win Rate
49.4%
Pick Rate
4.3%

Xerathvs Karthus

DMageSupport
Patch26.9
Matches514,344
LaneAll Lanes
TierAll Tiers
Last UpdatedMay 10, 2026
MethodologyData Methodology

Xerath vs Karthus is a decisive matchup in LoL patch 26.9. Xerath wins with a 62.5% win rate (+25.0%) over Karthus based on 8 games. Xerath wins the early laning phase while Karthus scales better into the late game. Below you'll find the best Xerath build, runes, laning stats, and strategies for the Xerath vs Karthus matchup.

Xerath Matchup Breakdown

Use the dropdown to select an opponent and see a detailed breakdown of how Xerath 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 - 62.5% win rateKarthus(62.5%)
Xerath - 62.5% win rate in this matchup
Xerath
62.5% WR
VS
Karthus vs Xerath matchup - 37.5% win rate
Karthus
37.5% WR

Who Wins the Xerath vs Karthus Matchup?

Xerath wins the Xerath vs Karthus matchup
Winner
Xerath
Matches: 8
62.5%
Win Rate
37.5%
5.5
CS / min
5.1
1,115
DMG / min
969
11,711
Gold / game
10,833
69
Heal / min
140
327
DMG Mitigated / min
390
1.0
CC / min
0.5
100.0%
Early Game WR
0.0%
25.0%
Late Game WR
75.0%

Xerath vs Karthus Matchup Summary

The Xerath vs Karthus matchup is a decisive matchup in League of Legends ranked play. Based on 8 recent matches analyzed, Xerath wins with a 62.5% win rate compared to Karthus's 37.5%, giving Xerath a 25.0 percentage point advantage. Game phase dynamics play a critical role here: Xerath controls the early laning stage, but Karthus outscales as the game goes longer. The matchup shifts dramatically depending on game length — Xerath 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 crowd control, where Xerath leads by 0.5s CC/min — a difference that heavily influences the outcome of trades and skirmishes. Xerath players can confidently pick into Karthus and play aggressively from level 1. Look to establish lane dominance early through favorable trades and zone Karthus away from CS whenever possible. Understanding these matchup dynamics is essential for champion select decisions and in-game strategy when facing this lane opponent.

Xerath vs Karthus Laning Phase Breakdown

Xerath wins the laning phase against Karthus in League of Legends

Xerath is favored during the laning phase against Karthus, winning 4 out of 5 key stat categories. Xerath holds advantages in farming, damage, gold income and crowd control, making them the stronger laner in this matchup.

Farming
5.5Xerath
5.1Karthus
Xerath edges out Karthus by 0.5 CS per minute — a moderate farming advantage that adds up to roughly 7 CS over a 15-minute laning phase. This translates to earlier component purchases and slightly faster power spikes for Xerath.
Damage
1,115Xerath
969Karthus
Xerath heavily out-damages Karthus by 146 DMG/min, dominating both short trades and all-in fights. Karthus should avoid extended combat and instead focus on burst trade patterns — short engages followed by immediate disengagement — to avoid letting Xerath's sustained damage advantage take over.
Economy
11,711Xerath
10,833Karthus
Xerath generates a commanding 879 more gold per game than Karthus. This substantial economic advantage means Xerath 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
1.0Xerath
0.5Karthus
Xerath provides 0.5 seconds more crowd control per minute than Karthus, offering better gank setup potential and slightly more team fight utility. This CC advantage helps Xerath coordinate with their jungler and control the pace of skirmishes.
Sustain
396Xerath
530Karthus
Karthus heals and mitigates 135 more damage per minute than Xerath, providing moderate extra durability. This sustain edge allows Karthus to stay in lane longer between recalls and gradually win extended wars of attrition. Consider building early grievous wounds if playing Xerath.

Best Xerath Build Against Karthus

Spellslinger's Shoes is the optimal boots choice against Karthus, providing the mobility and stats Xerath needs most in this matchup. The top-performing core items for Xerath against Karthus are Luden's Echo, Shadowflame and Horizon Focus. This combination gives Xerath 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 Karthus. Adjustments may be needed based on team compositions and game state, but this build provides the strongest foundation for the Xerath vs Karthus matchup.

Early Game vs Late Game

Early Game
Xerath
100.0%
+100.0% advantage
Xerath early game win rateXerath100.0%
Karthus early game win rateKarthus0.0%
Late Game
Karthus
75.0%
+50.0% advantage
Xerath late game win rateXerath25.0%
Karthus late game win rateKarthus75.0%

Xerath 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 Xerath 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 75.0% win rate — 50.0 points above Xerath. 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: Xerath 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 Xerath Runes Against Karthus

Sorcery rune tree - Xerath primary runes vs KarthusSorcery
Arcane Comet - best Xerath rune vs KarthusManaflow Band - best Xerath rune vs KarthusTranscendence - best Xerath rune vs KarthusScorch - best Xerath rune vs Karthus
Precision rune tree - Xerath secondary runes vs KarthusPrecision
Presence of Mind - best Xerath rune vs KarthusCoup de Grace - best Xerath rune vs Karthus
100.0% WR

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


Xerath matchup data for League of Legends patch 26.9. The table below shows Xerath'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 Xerath build, runes, laning stats, and early vs late game analysis for that specific matchup.

Xerath matchup win rates and stats in League of Legends patch 26.9
Opponent
Win Rate
Matches
CS/min
DMG/min
Gold/game
Early WR
Late WR
53.44%1893.791111,64651.5%54.5%
50.83%1816.81,06012,75150.0%51.3%
49.65%1416.498011,67362.7%40.2%
47.52%1414.41,02311,31655.2%42.2%
55.88%1366.71,03912,17658.8%54.1%
47.90%1196.596112,02043.8%50.7%
47.12%1046.11,12112,68852.9%44.3%
47.52%1012.487610,53553.7%43.3%
45.83%966.398911,97437.5%50.0%
46.15%912.186510,35747.5%45.1%
61.54%915.21,04811,87461.8%61.4%
51.69%896.21,00010,93157.1%46.8%
32.88%736.084710,73745.5%22.5%
53.42%732.084910,38153.6%53.3%
56.16%736.093911,13956.3%56.1%
42.86%706.292511,35434.6%47.7%
47.06%686.21,00112,52540.9%50.0%
50.75%673.086010,94741.7%55.8%
49.25%672.692010,49036.0%57.1%
51.52%666.795911,60353.6%50.0%
51.56%642.886411,20554.5%50.0%
44.26%616.395311,50328.0%55.6%
55.17%586.11,23812,85857.9%53.9%
52.73%556.099811,14758.6%46.1%
53.70%546.51,03712,57968.4%45.7%
61.54%525.392011,91561.1%61.8%
48.98%495.993512,08657.9%43.3%
53.19%486.21,10012,48056.5%50.0%
39.58%482.081510,49136.4%42.3%
36.17%472.077710,53231.8%40.0%
55.32%475.91,00312,06144.4%62.1%
61.70%476.91,17413,17756.3%64.5%
48.89%452.588310,77217.6%67.9%
60.00%454.11,00511,57362.5%58.6%
53.33%456.495411,43950.0%56.5%
42.22%451.986310,40131.3%48.3%
56.82%446.51,13712,64766.7%51.7%
43.90%416.392710,79545.8%41.2%
48.78%411.97889,43158.8%41.7%
51.22%416.41,07111,84433.3%65.2%
36.59%411.68699,81831.6%40.9%
46.34%416.598610,74350.0%41.2%
60.00%405.992811,00456.3%62.5%
35.00%405.983510,87735.3%34.8%
51.28%392.08379,72547.4%55.0%
46.15%393.199111,35140.0%50.0%
60.53%386.81,15112,47650.0%75.0%
31.58%386.696311,37535.7%29.2%
48.65%376.799611,05243.8%52.4%
59.46%376.496411,35768.8%52.4%
48.57%356.299511,95047.1%50.0%
42.86%352.269810,53630.0%48.0%
51.43%351.995610,45769.2%40.9%
55.88%346.81,14212,78666.7%47.4%
39.39%331.980610,20128.6%47.4%
43.33%302.07779,51953.9%35.3%
63.33%304.51,03611,59781.8%52.6%
53.33%302.482910,87453.9%52.9%
50.00%281.99309,00153.9%46.7%
59.26%276.31,05312,40072.7%50.0%
53.85%267.51,05211,22560.0%45.5%
45.83%242.768110,01650.0%43.8%
50.00%246.299411,14663.6%38.5%
62.50%245.899212,31864.3%60.0%
47.83%236.51,03812,81737.5%53.3%
54.55%222.58409,61350.0%60.0%
38.10%212.09519,24125.0%55.6%
60.00%205.798411,26663.6%55.6%
47.37%196.794011,05760.0%33.3%
63.16%195.993110,15170.0%55.6%
47.37%196.51,07512,22250.0%45.5%
41.18%176.376410,03750.0%33.3%
23.53%172.26799,81012.5%33.3%
70.59%171.97219,23077.8%62.5%
31.25%165.384710,59633.3%30.0%
68.75%162.589511,81860.0%72.7%
56.25%166.988311,68760.0%50.0%
53.33%156.21,06410,44755.6%50.0%
26.67%152.61,00310,6500.0%44.4%
46.67%156.11,05813,11942.9%50.0%
64.29%147.01,24012,24687.5%33.3%
28.57%141.86679,46233.3%20.0%
64.29%145.596411,01857.1%71.4%
61.54%137.397211,64150.0%71.4%
53.85%134.698911,93780.0%37.5%
66.67%125.91,16813,01450.0%75.0%
66.67%126.51,16411,95820.0%100.0%
36.36%117.51,10011,06842.9%25.0%
45.45%115.21,04612,15733.3%50.0%
81.82%116.61,10414,90666.7%87.5%
63.64%112.394012,27966.7%62.5%
30.00%106.21,04710,65850.0%16.7%
60.00%102.383810,94775.0%50.0%
66.67%97.11,06014,72166.7%66.7%
66.67%92.391010,82560.0%75.0%
50.00%87.11,08013,25266.7%40.0%
62.50%85.51,11511,711100.0%25.0%
62.50%86.31,23012,63050.0%100.0%
75.00%86.21,12214,3380.0%85.7%
25.00%81.91,08512,848100.0%14.3%
57.14%76.41,0609,20940.0%100.0%
57.14%75.396111,65066.7%50.0%
42.86%76.89279,73750.0%33.3%
0.00%71.97907,8570.0%0.0%
28.57%75.61,03114,0690.0%40.0%
33.33%66.71,16111,7090.0%40.0%
50.00%66.81,16011,83766.7%33.3%
66.67%67.196411,84980.0%0.0%
50.00%66.71,17715,647100.0%40.0%
16.67%67.51,1325,03320.0%0.0%
33.33%66.91,13813,8590.0%40.0%
16.67%63.57259,67925.0%0.0%
40.00%56.092211,9690.0%40.0%
20.00%56.68349,12325.0%0.0%

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Xerath vs Karthus - Frequently Asked Questions

How does Xerath do against Karthus in League of Legends?

Xerath wins the Xerath vs Karthus matchup with a 62.5% win rate compared to Karthus's 37.5%, a 25.0 percentage point difference. This data is based on 8 recent ranked games in patch 26.9.

How does Xerath do against Karthus in the early game?

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

How does Xerath do against Karthus in the late game?

In the late game, Karthus takes over the Xerath vs Karthus matchup with a 75.0% win rate compared to 25.0%. Karthus scales better into team fights and objective contests after 25 minutes.

Who wins the Xerath vs Karthus matchup?

Xerath wins the matchup against Karthus with a 62.5% win rate in League of Legends patch 26.9. The 25.0 percentage point advantage means Xerath is significantly favored in this lane matchup based on 8 games analyzed.

What is the best Xerath build against Karthus?

The best Xerath build against Karthus includes Luden's Echo, Shadowflame, Horizon Focus with Spellslinger'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 Xerath runes against Karthus?

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

Does Xerath counter Karthus?

Yes, Xerath has a favorable matchup against Karthus with a 62.5% win rate. Xerath strongly counters Karthus in lane based on current patch 26.9 data.

How do I play Xerath against Karthus?

When playing Xerath against Karthus, 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.