Matchup

Heavy AP damageSustained DPSHeavy CC

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

Build vs Cassiopeia

Build adapted to this matchup

Starting items

Health Potion
x2

Core build

Zeke's Convergence
1Tank
Shurelya's Battlesong
2
Locket of the Iron Solari
3HP

Standard

Ionian Boots of Lucidity
4CDR
Solstice Sleigh
5HP

Summoner spells

4750%
41433%

Anti AD

Plated Steelcaps
4vs AD
Knight's Vow
5vs AD

Anti Heal

Thornmail
6vs Hybride

Anti AP

Mercury's Treads
4vs CC
Bandlepipes
5vs Hybride

Other options

Solstice Sleigh
HP
Celestial Opposition
HP
Redemption
100.0% WR1 games
InspirationInspiration
Unsealed SpellbookUnsealed Spellbook
Magical FootwearMagical Footwear
Biscuit DeliveryBiscuit Delivery
Cosmic InsightCosmic Insight
DominationDomination
Ultimate HunterUltimate Hunter
Deep WardDeep Ward
Ability HasteMove SpeedHealth

Power Spikes

Strength by game phase

Early (0-15)
Mid (15-30)
Late (30+)
RakanRakan
CassiopeiaCassiopeia
Favorable
Favorable
Passive

Cassiopeia's abilities

Passive, spells and ultimate

Serpentine Grace (P)

All Move Speed bonuses are more effective on Cassiopeia.

Cooldowns

Cooldowns by spell rank

LevelQWER
33.5s24s0.75s
63.5s24s0.75s2m
93.5s22s0.75s2m
113.5s20s0.75s1m40
163.5s16s0.75s1m20
183.5s16s0.75s1m20

Playing against Cassiopeia

How to counter and exploit weaknesses

1

Turn away when she casts her R: you'll be slowed instead of stunned if you're not facing her.

2

Her DPS depends on landing Q (poison) — if she misses Q, she can't effectively spam E.

3

W prevents dashes: do NOT dash into the zone, go around it.

4

Cassiopeia doesn't have boots — slows are particularly effective against her.

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