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Matchup

Chogath
Chogath
30%
70%

vs

46.0%

over 367 games

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

Skill matchup

Build vs Illaoi

Build adapted to this matchup

Starting items

Doran's Ring
Health Potion
x2

Core build

Heartsteel
1Survival
Hollow Radiance
2vs AP
Thornmail
3vs Hybride

Standard

Boots of Swiftness
4vs Slow
Hextech Rocketbelt
5Mage tank

Summoner spells

41269%
41427%

Anti AD

Plated Steelcaps
4vs AD
Unending Despair
5vs AD
Dead Man's Plate
vs AD
Sunfire Aegis
vs AD
Randuin's Omen
vs AD
Frozen Heart
vs AD

Anti Heal

Morellonomicon
6vs Heal

Anti AP

Mercury's Treads
4vs CC
Jak'Sho, The Protean
5vs Hybride
Kaenic Rookern
vs AP
Force of Nature
vs AP
Abyssal Mask
vs AP
Spirit Visage
vs AP

Anti Tank

Shadowflame
5vs Tank

DPS

Hextech Rocketbelt
Mage tank
Riftmaker
Mage tank
Dusk and Dawn
Mage tank
Luden's Echo
Mage
Titanic Hydra
Bruiser

Other options

Warmog's Armor
Survival
Rod of Ages
HP
Shurelya's Battlesong
Mejai's Soulstealer
Bandlepipes
vs Hybride
Tear of the Goddess
Protoplasm Harness
Survival
83.3% WR6 games
DominationDomination
Hail of BladesHail of Blades
Cheap ShotCheap Shot
Grisly MementosGrisly Mementos
Ultimate HunterUltimate Hunter
SorcerySorcery
Axiom ArcanistAxiom Arcanist
CelerityCelerity
Adaptive ForceMove SpeedHealth Scaling

Power Spikes

Strength by game phase

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