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Matchup

Kayle
Kayle
46%
54%

vs

50.0%
Kassadin
Kassadin
27%
73%
Heavy AP damageHigh burstDive threatSplit push

You are stronger late game — farm safe and avoid early trades.

Build vs Kassadin

Build adapted to this matchup

Starting items

Doran's Blade
Health Potion

Core build

Dark Seal
1
Dusk and Dawn
2Mage tank
Nashor's Tooth
3DPS

Standard

Boots of Swiftness
4vs Slow
Rabadon's Deathcap
5Mage

Summoner spells

41284%
469%

Anti AD

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

Anti AP

Mercury's Treads
4vs CC
Wit's End
5vs AP

Anti Tank

Shadowflame
5vs Tank
Void Staff
vs Tank

DPS

Rabadon's Deathcap
Mage
Statikk Shiv
DPS
Rylai's Crystal Scepter
Mage tank
Phantom Dancer
DPS

Other options

Guinsoo's Rageblade
100.0% WR1 games
PrecisionPrecision
Press the AttackPress the Attack
Absorb LifeAbsorb Life
Legend: AlacrityLegend: Alacrity
Last StandLast Stand
SorcerySorcery
CelerityCelerity
Gathering StormGathering Storm
Attack SpeedAdaptive ForceHealth Scaling

Power Spikes

Strength by game phase

Early (0-15)
Mid (15-30)
Late (30+)
KayleKayle
KassadinKassadin
Neutral
Neutral
Neutral

Kassadin's abilities

Passive, spells and ultimate

Void Stone (P)

Kassadin takes reduced magic damage and ignores unit collision.

Cooldowns

Cooldowns by spell rank

LevelQWER
310s7s21s–
69s7s21s5s
98s7s21s5s
118s7s21s3.5s
168s7s19s2s
188s7s17s2s

Playing against Kassadin

How to counter and exploit weaknesses

1

Punish Kassadin VERY hard in early game (levels 1-5): he's one of the weakest champions at that stage.

2

AD champions in midlane counter him: his passive and Q shield only work against magic damage.

3

Do NOT let the game go to late game: a level 16 Kassadin with his items is nearly impossible to stop.

4

His R consumes a lot of mana when stacking — force him to use multiple Rs to drain his mana.

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