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Matchup

Singed
Singed
36%
64%

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 Ring
Health Potion
x2

Core build

Dark Seal
1
Rylai's Crystal Scepter
2Mage tank
Riftmaker
3Mage tank

Standard

Boots of Swiftness
4vs Slow
Liandry's Torment
5Mage tank

Summoner spells

4664%
41426%

Anti AD

Plated Steelcaps
4vs AD
Dead Man's Plate
5vs AD
Zhonya's Hourglass
vs AD

Anti AP

Mercury's Treads
4vs CC
Force of Nature
5vs AP
Kaenic Rookern
vs AP

DPS

Liandry's Torment
Mage tank
Cosmic Drive
Mage tank

Other options

Protoplasm Harness
Survival
Jak'Sho, The Protean
vs Hybride
Mejai's Soulstealer
100.0% WR1 games
PrecisionPrecision
ConquerorConqueror
TriumphTriumph
Legend: AlacrityLegend: Alacrity
Last StandLast Stand
SorcerySorcery
CelerityCelerity
Nimbus CloakNimbus Cloak
Adaptive ForceMove SpeedHealth Scaling

Power Spikes

Strength by game phase

Early (0-15)
Mid (15-30)
Late (30+)
SingedSinged
KassadinKassadin
Favorable
Favorable
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