Kai'Sa - League of Legends Champion
Win Rate
45.5%
Pick Rate
3.9%

Kai'Savs Vex

FMarksmanMage
Patch26.10
Matches683,599
LaneAll Lanes
TierAll Tiers
Last UpdatedMay 18, 2026
MethodologyData Methodology

Kai'Sa vs Vex is a decisive matchup in LoL patch 26.10. Kai'Sa wins with a 57.1% win rate (+14.3%) over Vex based on 7 games. Vex wins the early laning phase while Kai'Sa scales better into the late game. Below you'll find the best Kai'Sa build, runes, laning stats, and strategies for the Kai'Sa vs Vex matchup.

Kai'Sa Matchup Breakdown

Use the dropdown to select an opponent and see a detailed breakdown of how Kai'Sa 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 - 57.1% win rateVex(57.1%)
Kai'Sa - 57.1% win rate in this matchup
Kai'Sa
57.1% WR
VS
Vex vs Kai'Sa matchup - 42.9% win rate
Vex
42.9% WR

Who Wins the Kai'Sa vs Vex Matchup?

Kai'Sa wins the Kai'Sa vs Vex matchup
Winner
Kai'Sa
Matches: 7
57.1%
Win Rate
42.9%
6.6
CS / min
6.0
874
DMG / min
913
14,871
Gold / game
12,569
147
Heal / min
83
414
DMG Mitigated / min
564
0.1
CC / min
1.1
33.3%
Early Game WR
66.7%
75.0%
Late Game WR
25.0%

Kai'Sa vs Vex Matchup Summary

The Kai'Sa vs Vex matchup is a decisive matchup in League of Legends ranked play. Based on 7 recent matches analyzed, Kai'Sa wins with a 57.1% win rate compared to Vex's 42.9%, giving Kai'Sa a 14.3 percentage point advantage. Game phase dynamics play a critical role here: Vex controls the early laning stage, but Kai'Sa outscales as the game goes longer. The matchup shifts dramatically depending on game length — Vex needs to press advantages before Kai'Sa reaches their power spikes, while Kai'Sa should focus on safe farming and hitting key item breakpoints. The most significant statistical gap is in crowd control, where Vex leads by 1.1s CC/min — a difference that heavily influences the outcome of trades and skirmishes. Kai'Sa 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.

Kai'Sa vs Vex Laning Phase Breakdown

Vex wins the laning phase against Kai'Sa in League of Legends

Vex is favored during the laning phase against Kai'Sa, winning 3 out of 5 key stat categories. Vex holds advantages in damage, crowd control and sustain, making them the stronger laner in this matchup.

Farming
6.6Kai'Sa
6.0Vex
Kai'Sa edges out Vex by 0.6 CS per minute — a moderate farming advantage that adds up to roughly 9 CS over a 15-minute laning phase. This translates to earlier component purchases and slightly faster power spikes for Kai'Sa.
Damage
874Kai'Sa
913Vex
Vex deals 40 more champion damage per minute than Kai'Sa. While noticeable in extended trades, this gap can be offset by Kai'Sa choosing favorable fight windows, such as engaging when Vex's key abilities are on cooldown or trading immediately after dodging a skillshot.
Economy
14,871Kai'Sa
12,569Vex
Kai'Sa generates a commanding 2,302 more gold per game than Vex. This substantial economic advantage means Kai'Sa 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
0.1Kai'Sa
1.1Vex
Vex brings significantly more crowd control than Kai'Sa, with 1.1 more seconds of CC per minute. This large utility gap makes Vex far more valuable in setting up jungle ganks, controlling objectives, and locking down targets in team fights. Kai'Sa should invest in tenacity and position carefully to avoid being chain-CC'd.
Sustain
561Kai'Sa
647Vex
Vex heals and mitigates 86 more damage per minute than Kai'Sa, providing moderate extra durability. This sustain edge allows Vex to stay in lane longer between recalls and gradually win extended wars of attrition. Consider building early grievous wounds if playing Kai'Sa.

Best Kai'Sa Build Against Vex

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

Early Game vs Late Game

Early Game
Vex
66.7%
+33.3% advantage
Kai'Sa early game win rateKai'Sa33.3%
Vex early game win rateVex66.7%
Late Game
Kai'Sa
75.0%
+50.0% advantage
Kai'Sa late game win rateKai'Sa75.0%
Vex late game win rateVex25.0%

Vex dominates the early game (first 15 minutes) with a commanding 66.7% win rate — a 33.3 percentage point lead over Kai'Sa. This lopsided early game means Vex can dictate the pace of the lane from level 1, controlling trades, wave state, and river priority.

Kai'Sa is far superior in the late game (25+ minutes), boasting a 75.0% win rate — 50.0 points above Vex. Extended games heavily favor Kai'Sa, whose kit and scaling make them a dominant force in team fights and objective control.

This matchup features a dramatic power shift: Vex must aggressively press their early advantage and close out the game before Kai'Sa reaches their scaling breakpoints. If Kai'Sa 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 Kai'Sa Runes Against Vex

Sorcery rune tree - Kai'Sa primary runes vs VexSorcery
Deathfire Touch - best Kai'Sa rune vs VexManaflow Band - best Kai'Sa rune vs VexTranscendence - best Kai'Sa rune vs VexScorch - best Kai'Sa rune vs Vex
Precision rune tree - Kai'Sa secondary runes vs VexPrecision
Presence of Mind - best Kai'Sa rune vs VexCut Down - best Kai'Sa rune vs Vex
100.0% WR

Running Sorcery primary with Precision secondary allows Kai'Sa to press their advantage against Vex, amplifying the strengths that make this a favorable matchup.


Kai'Sa matchup data for League of Legends patch 26.10. The table below shows Kai'Sa'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 Kai'Sa build, runes, laning stats, and early vs late game analysis for that specific matchup.

Kai'Sa 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
42.88%6396.988414,14946.1%40.7%
45.86%4236.782313,52146.4%45.5%
44.36%4176.782113,71841.8%46.1%
46.29%3376.682513,39845.4%47.0%
47.73%3316.984213,24943.1%51.4%
48.14%3226.886514,30450.0%46.9%
48.25%3156.993214,61245.1%50.5%
49.77%2136.890713,77753.6%46.5%
44.59%1576.887113,21135.7%54.8%
50.34%1496.985413,74650.0%50.6%
45.27%1487.084013,75443.3%46.9%
44.27%1316.786213,99549.1%41.0%
50.00%1246.677612,78053.3%46.9%
50.54%936.682613,71150.0%50.9%
46.67%906.781813,29751.2%42.5%
53.93%896.691714,39052.6%54.9%
50.00%886.885013,80157.9%44.0%
47.67%867.098014,31859.5%38.8%
45.88%856.887714,65741.2%49.0%
54.22%836.983813,35659.0%50.0%
56.34%717.285214,84065.5%50.0%
50.00%486.894614,75537.5%56.3%
50.00%426.899315,37550.0%50.0%
47.50%406.870211,86140.9%55.6%
48.72%396.889215,31235.7%56.0%
36.11%366.883212,96333.3%38.1%
40.00%356.488912,68150.0%29.4%
57.14%357.185315,52460.0%56.0%
42.31%266.888513,28146.1%38.5%
61.54%266.787615,44442.9%68.4%
42.86%216.585513,79237.5%46.1%
28.57%216.787515,95825.0%30.8%
45.00%206.067812,79342.9%46.1%
60.00%206.583113,53466.7%54.5%
36.84%196.31,00611,62736.4%37.5%
52.63%197.093915,08740.0%57.1%
55.56%186.285112,79255.6%55.6%
31.25%166.579713,91925.0%33.3%
56.25%166.973113,14362.5%50.0%
50.00%147.281012,26850.0%50.0%
25.00%126.81,05414,30414.3%40.0%
36.36%116.691614,3570.0%50.0%
63.64%116.099013,02966.7%62.5%
30.00%106.969911,51325.0%33.3%
75.00%86.598514,834100.0%60.0%
50.00%87.191111,45560.0%33.3%
37.50%85.983514,71950.0%33.3%
25.00%87.065114,2760.0%33.3%
57.14%77.386212,16050.0%100.0%
28.57%76.682014,0160.0%33.3%
14.29%77.082913,3160.0%25.0%
57.14%76.687414,87133.3%75.0%
57.14%77.187710,35980.0%0.0%
28.57%76.680412,0110.0%50.0%
57.14%76.076212,98075.0%33.3%
42.86%76.81,01913,19433.3%100.0%
16.67%66.682912,01625.0%0.0%
0.00%66.562310,5340.0%0.0%
50.00%67.194212,20733.3%66.7%
16.67%65.874210,9690.0%33.3%
50.00%67.191514,568100.0%25.0%
66.67%66.881912,88450.0%75.0%
60.00%57.284411,515100.0%33.3%
40.00%56.995613,3010.0%100.0%
60.00%57.061411,79066.7%50.0%
40.00%56.199312,658100.0%0.0%
60.00%56.01,08015,410100.0%50.0%

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Kai'Sa vs Vex - Frequently Asked Questions

How does Kai'Sa do against Vex in League of Legends?

Kai'Sa wins the Kai'Sa vs Vex matchup with a 57.1% win rate compared to Vex's 42.9%, a 14.3 percentage point difference. This data is based on 7 recent ranked games in patch 26.10.

How does Kai'Sa do against Vex in the early game?

In the early game, Vex has the advantage against Kai'Sa with a 66.7% win rate versus 33.3%. Vex players should look to press their lane advantage through aggressive trades and wave control during the first 15 minutes.

How does Kai'Sa do against Vex in the late game?

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

Who wins the Kai'Sa vs Vex matchup?

Kai'Sa wins the matchup against Vex with a 57.1% win rate in League of Legends patch 26.10. The 14.3 percentage point advantage means Kai'Sa is significantly favored in this lane matchup based on 7 games analyzed.

What is the best Kai'Sa build against Vex?

The best Kai'Sa build against Vex includes Luden's Echo, Void Staff, Muramana 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 Kai'Sa runes against Vex?

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

Does Kai'Sa counter Vex?

Yes, Kai'Sa has a favorable matchup against Vex with a 57.1% win rate. Kai'Sa strongly counters Vex in lane based on current patch 26.10 data.

How do I play Kai'Sa against Vex?

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