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Matchup

Tryndamere
Tryndamere
83%
17%

vs

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

You are stronger early — look to snowball before your opponent scales.

Build vs Kassadin

Build adapted to this matchup

Starting items

Doran's Blade
Health Potion

Core build

Essence Reaver
1DPS
Infinity Edge
2DPS
Serylda's Grudge
3vs Tank

Standard

Berserker's Greaves
4AS
Ravenous Hydra
5DPS

Summoner spells

41457%
4636%

Anti AD

Plated Steelcaps
4vs AD
Guardian Angel
5vs AD

Anti AP

Mercury's Treads
4vs CC
Mercurial Scimitar
5vs AP

Anti Tank

Lord Dominik's Regards
5vs Tank
Voltaic Cyclosword
vs Tank
Profane Hydra
vs Tank

DPS

Ravenous Hydra
DPS
Phantom Dancer
DPS
Endless Hunger
DPS
Blade of The Ruined King
DPS
Navori Flickerblade
DPS
100.0% WR2 games
DominationDomination
Hail of BladesHail of Blades
Sudden ImpactSudden Impact
Grisly MementosGrisly Mementos
Treasure HunterTreasure Hunter
PrecisionPrecision
Last StandLast Stand
Legend: AlacrityLegend: Alacrity
Adaptive ForceAdaptive ForceHealth

Power Spikes

Strength by game phase

Early (0-15)
Mid (15-30)
Late (30+)
TryndamereTryndamere
KassadinKassadin
Aggressive
Neutral
Passive

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