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Matchup

Kennen
Kennen
46%
54%

vs

50.0%
Vex
Vex
0%
100%
Heavy AP damageHigh burstStrong engageCountered by spell shield

Build vs Vex

Build adapted to this matchup

Starting items

Doran's Blade
Health Potion

Core build

Dark Seal
1
Hextech Rocketbelt
2Mage tank
Shadowflame
3vs Tank

Standard

Sorcerer's Shoes
4Magic pen
Zhonya's Hourglass
5vs AD

Summoner spells

41467%
3433%

Anti AD

Plated Steelcaps
4vs AD
Zhonya's Hourglass
5vs AD
Guardian Angel
vs AD

Anti AP

Mercury's Treads
4vs CC
Banshee's Veil
5vs AP

Anti Tank

Void Staff
5vs Tank
Stormsurge
vs Tank

DPS

Hextech Gunblade
Mage
Rabadon's Deathcap
Mage
100.0% WR1 games
DominationDomination
ElectrocuteElectrocute
Taste of BloodTaste of Blood
Grisly MementosGrisly Mementos
Ultimate HunterUltimate Hunter
SorcerySorcery
Absolute FocusAbsolute Focus
ScorchScorch
Attack SpeedAdaptive ForceHealth Scaling

Power Spikes

Strength by game phase

Early (0-15)
Mid (15-30)
Late (30+)
KennenKennen
VexVex
Neutral
Neutral
Neutral

Vex's abilities

Passive, spells and ultimate

Doom 'n Gloom (P)

Vex periodically becomes empowered, causing her next basic Ability to fear enemies and interrupt dashes. Whenever a nearby enemy dashes, Vex applies a mark that can be consumed for bonus damage that also reduces the cooldown of her empowered state.

Cooldowns

Cooldowns by spell rank

LevelQWER
38s16s13s–
66s16s13s2m20
94s15s13s2m20
114s14s13s2m
164s12s13s1m40
184s12s13s1m40

Playing against Vex

How to counter and exploit weaknesses

1

Vex is weak against champions WITHOUT dashes: her anti-dash passive doesn't proc if you don't dash.

2

Her R is a skillshot: dodge the missile and she can't dash to you.

3

Punish her when her fear passive is on cooldown (the indicator below her is grayed out when unavailable).

4

Long-range champions without mobility (Xerath, Vel'Koz) counter her well.

Source: op.gg + LTL Engine · Patch 16.9.1 · May 9, 2026