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Overview

Role Plan

Danger Windows

Early Game

Power Spikes

Win Conditions

Vex vs Kassadin MID Matchup Guide | LaneStomp

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Champion

Opponent

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Vex

VS

Mid

Kassadin

Vex vs Kassadin

Updated Jun 1, 2026

Overview

Vex is a high early agency mid lane mage who must use her passive fear to control Kassadin's mobility and deny his scaling.
Apply lane pressure to prevent Kassadin from farming safely and reaching level 6 without punishment.

Trading pattern

Use passive fear to initiate trades and proc electrocute for burst damage.
Punish Kassadin when Kassadin R is on cooldown or he has low mana after Kassadin R usage.
Avoid trading when Kassadin has Kassadin Q shield active or after Kassadin R for his burst and mobility.

Danger windows

Kassadin is dangerous post-6 when he can use Kassadin R for short trades and escape.
Avoid all-ins if you fail to land fear, as Kassadin can punish your immobility outside R resets.
Kassadin is vulnerable if he uses Kassadin R aggressively with low mana, enabling you to punish.

Early game

Abuse Kassadin's low early game agency by using passive fear and Q poke to pressure and zone him from farm.
Avoid extended trades if fear is baited or missed to prevent Kassadin's all-in potential.
Use W shield to absorb Kassadin Q poke and maintain lane control.

Power spikes

Vex's major spikes are level 6 R for engage and reset, and first completed AP burst item.
Kassadin's major spike is level 6 Kassadin R granting mobility and burst.
Respect Kassadin's level 6 power spike by playing around your fear cooldown and wave pressure.

Win conditions

Win lane by using passive fear to deny Kassadin safe farming and scaling.
Punish Kassadin's immobility outside R cooldown windows with burst trades.
Use level 6 R resets to all-in when Kassadin's escape is on cooldown or mana is low.

Tip: For Vex vs Kassadin, read overview, trading pattern, and danger windows first for a fast Mid lane check.

Updated Jun 1, 2026New matchup