Karthus - League of Legends Champion
Win Rate
50.1%
Pick Rate
1.2%

Karthusvs Vex

BMage
Patch26.10
Matches1,492,117
LaneAll Lanes
TierAll Tiers
Last UpdatedMay 20, 2026
MethodologyData Methodology

Karthus vs Vex is a decisive matchup in LoL patch 26.10. Karthus wins with a 80.0% win rate (+60.0%) over Vex based on 5 games. Karthus holds the advantage in both the early and late game. Below you'll find the best Karthus build, runes, laning stats, and strategies for the Karthus vs Vex 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
Vex - 80.0% win rateVex(80.0%)
Karthus - 80.0% win rate in this matchup
Karthus
80.0% WR
VS
Vex vs Karthus matchup - 20.0% win rate
Vex
20.0% WR

Who Wins the Karthus vs Vex Matchup?

Karthus wins the Karthus vs Vex matchup
Winner
Karthus
Matches: 5
80.0%
Win Rate
20.0%
7.0
CS / min
6.0
1,310
DMG / min
916
14,701
Gold / game
13,711
158
Heal / min
110
501
DMG Mitigated / min
587
0.6
CC / min
0.9
100.0%
Early Game WR
0.0%
75.0%
Late Game WR
25.0%

Karthus vs Vex Matchup Summary

The Karthus vs Vex matchup is a decisive matchup in League of Legends ranked play. Based on 5 recent matches analyzed, Karthus wins with a 80.0% win rate compared to Vex's 20.0%, giving Karthus a 60.0 percentage point advantage. Karthus dominates at every stage — from early laning through late game team fights. This consistent advantage makes it difficult for Vex players to find favorable windows, so team-dependent strategies and avoiding solo confrontations are essential. The most significant statistical gap is in crowd control, where Vex leads by 0.3s CC/min — a difference that heavily influences the outcome of trades and skirmishes. Karthus players can confidently pick into Vex and play aggressively from level 1. Look to establish lane dominance early through favorable trades and zone Vex 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 Vex Laning Phase Breakdown

Karthus wins the laning phase against Vex in League of Legends

Karthus is favored during the laning phase against Vex, 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
7.0Karthus
6.0Vex
Karthus significantly out-farms Vex by 1.0 CS per minute, accumulating an estimated 15 CS lead by mid game. This substantial farming gap gives Karthus a major gold advantage and earlier item completions. Vex players should prioritize wave management techniques like freezing near tower and using abilities efficiently to minimize the deficit.
Damage
1,310Karthus
916Vex
Karthus heavily out-damages Vex by 395 DMG/min, dominating both short trades and all-in fights. Vex 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
14,701Karthus
13,711Vex
Karthus generates a commanding 990 more gold per game than Vex. This substantial economic advantage means Karthus consistently reaches key item breakpoints earlier, creating a compounding lead that grows throughout the game. Vex should focus on cost-effective item choices and avoid unnecessary deaths to prevent falling further behind.
Utility
0.6Karthus
0.9Vex
Vex provides 0.3 seconds more crowd control per minute than Karthus, offering better gank setup potential and slightly more team fight utility. This CC advantage helps Vex coordinate with their jungler and control the pace of skirmishes.
Sustain
659Karthus
697Vex
Karthus and Vex have comparable sustain profiles, with only 38 HP/min separating their healing and damage mitigation. Neither champion can out-attrition the other in lane, so trades will be decided by burst potential and ability usage rather than sustain.

Best Karthus Build Against Vex

Spellslinger's Shoes is the optimal boots choice against Vex, providing the mobility and stats Karthus needs most in this matchup. The top-performing core items for Karthus against Vex are Shadowflame, Rabadon's Deathcap and Blackfire Torch. This combination gives Karthus an effective balance of damage, survivability, and utility for the matchup. This build achieves a solid 50.0% win rate across 2 games, proving it to be a reliable item path when facing Vex. Adjustments may be needed based on team compositions and game state, but this build provides the strongest foundation for the Karthus vs Vex matchup.

Early Game vs Late Game

Early Game
Karthus
100.0%
+100.0% advantage
Karthus early game win rateKarthus100.0%
Vex early game win rateVex0.0%
Late Game
Karthus
75.0%
+50.0% advantage
Karthus late game win rateKarthus75.0%
Vex late game win rateVex25.0%

Karthus dominates the early game (first 15 minutes) with a commanding 100.0% win rate — a 100.0 percentage point lead over Vex. This lopsided early game means Karthus 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 Vex. Extended games heavily favor Karthus, whose kit and scaling make them a dominant force in team fights and objective control.

Karthus holds the advantage at every stage of the game, making this a consistently favorable matchup from lane through late game team fights. Vex players should look for outplays, team-dependent strategies, and picks rather than relying on scaling to win this matchup.

Best Karthus Runes Against Vex

Sorcery rune tree - Karthus primary runes vs VexSorcery
Deathfire Touch - best Karthus rune vs VexManaflow Band - best Karthus rune vs VexCelerity - best Karthus rune vs VexGathering Storm - best Karthus rune vs Vex
Domination rune tree - Karthus secondary runes vs VexDomination
Taste of Blood - best Karthus rune vs VexUltimate Hunter - best Karthus rune vs Vex
100.0% WR

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


Karthus matchup data for League of Legends patch 26.10. 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 26.10
Opponent
Win Rate
Matches
CS/min
DMG/min
Gold/game
Early WR
Late WR
51.72%876.51,43615,47744.4%55.0%
38.81%671.31,12513,16139.4%38.2%
56.25%641.31,19413,04853.6%58.3%
47.54%616.51,31513,77460.9%39.5%
49.12%571.31,22613,24150.0%48.1%
48.21%566.41,33314,54271.4%34.3%
49.06%531.61,25814,67943.8%51.4%
55.77%521.41,24614,31768.2%46.7%
45.83%486.41,31013,50359.1%34.6%
51.06%471.61,19014,27650.0%51.7%
47.83%466.61,29814,16350.0%46.4%
64.44%451.51,10713,99162.5%65.5%
38.64%446.81,26513,47840.0%37.5%
47.62%421.41,05612,78643.5%52.6%
47.62%421.21,14712,99544.4%50.0%
51.22%416.41,47315,65130.0%58.1%
45.00%401.41,09414,12441.7%46.4%
72.73%331.31,17112,66290.0%46.1%
60.61%331.61,25315,41075.0%56.0%
57.58%336.51,46816,29470.0%52.2%
46.88%326.31,18014,08654.5%42.9%
46.88%321.51,17813,60046.1%47.4%
51.61%311.51,20214,79846.1%55.6%
41.94%311.61,28414,23630.8%50.0%
58.62%292.01,18514,59654.5%61.1%
37.93%294.91,28913,75540.0%36.8%
51.85%271.21,17213,62150.0%53.3%
33.33%276.31,23015,01728.6%35.0%
51.85%271.51,16813,01436.4%62.5%
60.00%251.41,07412,26860.0%60.0%
56.00%251.21,23414,42140.0%66.7%
33.33%241.21,09511,94633.3%33.3%
43.48%231.81,10011,23244.4%42.9%
39.13%231.41,23813,90250.0%30.8%
50.00%222.01,14814,38725.0%55.6%
59.09%221.51,29414,98042.9%66.7%
40.91%222.11,14013,17857.1%33.3%
47.62%215.31,18714,06150.0%47.4%
57.14%211.51,23914,30633.3%66.7%
70.00%202.51,09412,70890.0%50.0%
36.84%196.01,53514,06266.7%23.1%
26.32%196.21,11210,98511.1%40.0%
52.63%196.71,24912,88355.6%50.0%
47.37%196.71,18112,60988.9%10.0%
63.16%191.51,19914,17375.0%54.5%
78.95%193.11,26815,94160.0%85.7%
33.33%186.21,24313,99557.1%18.2%
50.00%182.21,43716,30575.0%42.9%
41.18%175.01,43416,07250.0%38.5%
58.82%171.31,24914,72871.4%50.0%
58.82%176.01,22814,48733.3%64.3%
64.71%176.31,26112,77671.4%60.0%
52.94%174.31,24414,93866.7%50.0%
47.06%172.194013,06150.0%44.4%
31.25%162.21,22713,87050.0%25.0%
53.33%156.11,30014,18950.0%55.6%
46.67%151.71,36313,81540.0%50.0%
46.67%151.699413,75966.7%33.3%
46.67%153.11,21514,57471.4%25.0%
40.00%151.41,10812,71340.0%40.0%
28.57%143.993710,91225.0%30.0%
42.86%146.51,25415,88325.0%50.0%
42.86%145.81,34513,50460.0%33.3%
21.43%141.41,04411,32212.5%33.3%
50.00%146.91,23014,77125.0%60.0%
35.71%146.71,13512,15022.2%60.0%
61.54%132.81,31812,08950.0%71.4%
76.92%136.71,32415,23850.0%81.8%
66.67%126.01,36315,16666.7%66.7%
58.33%122.392511,28157.1%60.0%
27.27%113.21,33314,15350.0%14.3%
45.45%116.51,13412,11060.0%33.3%
54.55%114.690911,36866.7%40.0%
36.36%113.61,24512,58133.3%37.5%
30.00%103.61,13714,21633.3%28.6%
30.00%104.71,38812,64225.0%33.3%
60.00%106.11,55313,14466.7%50.0%
60.00%101.71,15412,30560.0%60.0%
44.44%91.41,24815,30225.0%60.0%
66.67%95.81,10412,813100.0%57.1%
77.78%96.81,29912,37350.0%85.7%
66.67%91.31,04812,239100.0%40.0%
87.50%84.51,19713,451100.0%80.0%
25.00%83.41,14213,50933.3%20.0%
87.50%86.41,47414,41275.0%100.0%
62.50%87.01,11710,44575.0%50.0%
28.57%74.01,33913,9550.0%40.0%
42.86%71.61,09211,84950.0%33.3%
71.43%76.91,32613,79050.0%100.0%
42.86%76.51,29313,07950.0%33.3%
42.86%75.41,43910,76333.3%50.0%
14.29%72.61,55313,9700.0%20.0%
71.43%76.41,14711,13566.7%100.0%
28.57%73.11,17012,82120.0%50.0%
28.57%76.51,42014,40550.0%20.0%
50.00%65.11,11810,97925.0%100.0%
83.33%66.41,24814,492100.0%75.0%
50.00%64.98565,88340.0%100.0%
50.00%65.97556,75750.0%50.0%
16.67%62.71,32815,1970.0%20.0%
83.33%61.51,33912,763100.0%66.7%
33.33%61.81,19810,54240.0%0.0%
20.00%52.31,12213,874100.0%0.0%
60.00%52.280511,041100.0%50.0%
80.00%56.91,83313,03550.0%100.0%
60.00%56.41,52016,893100.0%50.0%
40.00%57.01,05313,5150.0%50.0%
60.00%54.71,49115,869100.0%50.0%
80.00%57.01,31014,701100.0%75.0%
60.00%56.61,02913,18933.3%100.0%
40.00%57.21,22312,39825.0%100.0%
20.00%56.71,2529,7390.0%33.3%
20.00%56.81,04914,3630.0%20.0%

Get the MetaBot Desktop App

Level up your gameplay with real-time overlays, automatic game detection, and instant stats — all on your desktop.

In-game overlaysAuto game detectionMulti-game supportPersonal dashboard
Download NowFree download
🔍

Help us maintain accuracy! If you notice incorrect stats, missing data, or any issues, your feedback directly improves the quality of our data for the entire community.

Report an Issue

Karthus vs Vex - Frequently Asked Questions

How does Karthus do against Vex in League of Legends?

Karthus wins the Karthus vs Vex matchup with a 80.0% win rate compared to Vex's 20.0%, a 60.0 percentage point difference. This data is based on 5 recent ranked games in patch 26.10.

How does Karthus do against Vex in the early game?

In the early game, Karthus has the advantage against Vex 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 Karthus do against Vex in the late game?

In the late game, Karthus takes over the Karthus vs Vex 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 Karthus vs Vex matchup?

Karthus wins the matchup against Vex with a 80.0% win rate in League of Legends patch 26.10. The 60.0 percentage point advantage means Karthus is significantly favored in this lane matchup based on 5 games analyzed.

What is the best Karthus build against Vex?

The best Karthus build against Vex includes Shadowflame, Rabadon's Deathcap, Blackfire Torch with Spellslinger's Shoes. This build achieves a 50.0% 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 Vex?

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

Does Karthus counter Vex?

Yes, Karthus has a favorable matchup against Vex with a 80.0% win rate. Karthus strongly counters Vex in lane based on current patch 26.10 data.

How do I play Karthus against Vex?

When playing Karthus against Vex, 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.