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Matchup

Zilean
Zilean
20%
80%

vs

50.0%
Illaoi
Illaoi
73%
27%
Heavy AD damageSustained DPSHigh sustainSplit push

Build vs Illaoi

Build adapted to this matchup

Starting items

Health Potion
x2

Core build

Shurelya's Battlesong
1
Bandlepipes
2vs Hybride
Imperial Mandate
3Mage

Standard

Ionian Boots of Lucidity
4CDR
Solstice Sleigh
5HP

Summoner spells

47100%

Anti CC

Mercury's Treads
4vs CC

Anti Tank

Stormsurge
5vs Tank

DPS

Cosmic Drive
Mage tank

Other options

Solstice Sleigh
HP
Redemption
Locket of the Iron Solari
HP
100.0% WR1 games
SorcerySorcery
Summon AerySummon Aery
Manaflow BandManaflow Band
TranscendenceTranscendence
WaterwalkingWaterwalking
DominationDomination
Relentless HunterRelentless Hunter
Cheap ShotCheap Shot
Ability HasteMove SpeedHealth

Power Spikes

Strength by game phase

Early (0-15)
Mid (15-30)
Late (30+)
ZileanZilean
IllaoiIllaoi
Neutral
Neutral
Neutral

Illaoi's abilities

Passive, spells and ultimate

Prophet of an Elder God (P)

Illaoi and the Vessels she creates spawn Tentacles on nearby impassible terrain. Tentacles swing at spirits, Vessels, and victims of Illaoi's Harsh lesson. Tentacles deal physical damage to enemies hit, and will heal Illaoi if they damage a champion.

Cooldowns

Cooldowns by spell rank

LevelQWER
310s4s16s–
68s4s16s2m
96s4s16s2m
116s4s16s1m35
166s4s14s1m10
186s4s12s1m10

Playing against Illaoi

How to counter and exploit weaknesses

1

Dodge her E (Test of Spirit) at all costs — if she pulls your spirit, you must flee the area or fight at a massive disadvantage.

2

NEVER fight Illaoi in her tentacles: lure her elsewhere. Destroy tentacles when you can.

3

Her R is dangerous with multiple champions nearby — don't group on her. Fight her in a 1v1 outside her zone.

4

Illaoi has no mobility or hard CC: ganks and kiting are very effective.

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