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Matchup

Nasus
Nasus
54%
46%

vs

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

Build vs Kassadin

Build adapted to this matchup

Starting items

Doran's Shield
Health Potion

Core build

Trinity Force
1DPS
Spirit Visage
2vs AP
Force of Nature
3vs AP

Standard

Ionian Boots of Lucidity
4CDR
Frozen Heart
5vs AD

Summoner spells

61250%
4639%

Anti AD

Plated Steelcaps
4vs AD
Frozen Heart
5vs AD
Randuin's Omen
vs AD
Dead Man's Plate
vs AD

Anti Heal

Thornmail
6vs Hybride

Anti AP

Mercury's Treads
4vs CC
Jak'Sho, The Protean
5vs Hybride

DPS

Essence Reaver
DPS
100.0% WR2 games
SorcerySorcery
Stormraider's SurgeStormraider's Surge
Manaflow BandManaflow Band
TranscendenceTranscendence
ScorchScorch
InspirationInspiration
Biscuit DeliveryBiscuit Delivery
Approach VelocityApproach Velocity
Adaptive ForceAdaptive ForceHealth Scaling

Power Spikes

Strength by game phase

Early (0-15)
Mid (15-30)
Late (30+)
NasusNasus
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