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Prophet of an Elder God
STATIC COOLDOWN: 20 - 12 (based on level)
Prophet of an Elder God

Innate: Illaoi periodically spawns a Prophet of an Elder God Tentacle on nearby impassable terrain if none are nearby, which remains on the battlefield until killed or when disabled for 60 seconds.

Tentacles deal 10 - 180 (based on level) (+ 120% AD) physical damage when commanded to attack by her abilities. See Pet Details for more.

Ability Details
  • Prophet of an Elder God Tentacles do not spawn in the Nexus Obelisk's attack range.
  • They take about 2 seconds to finish their spawn animation.
  • If Illaoi uses Harsh Lesson Harsh Lesson on a target during their spawn animation, the Tentacle won't attack but the SFX of the Tentacle attacking will be heard.
    • If there's a nearby spirit / vessel when this happens, after the Tentacle finishes its spawn animation, its attack against the spirit / vessel will be delayed based on when the target was hit, up to a maximum delay of 1 second.
  • Sometimes when Illaoi dances while a Tentacle is spawning it will result in a weird VFX bug causing the Tentacle to glow.
  • If Illaoi' spams the dance command and moves, Tentacles SFX won't disappear after Illaoi stops dancing, and if she issues another dance command, the previous SFX will add on top of the new SFX. They can stack infinitely.
Illaoi IVideo

Tentacle Smash
COST: 40 / 45 / 50 / 55 / 60 Mana
COOLDOWN: 10 / 9 / 8 / 7 / 6
Tentacle Smash

Passive: Prophet of an Elder God Tentacles deal increased damage.

Damage Increase:
10% / 15% / 20% / 25% / 30%

Active: Illaoi slams her idol into the ground, summoning a Prophet of an Elder God Tentacle that slams down in the target direction, dealing physical damage before disappearing.

Ability Details
  • No additional details.
Illaoi QVideo

Harsh Lesson
COST: 30 Mana
Harsh Lesson

Active: Illaoi's next basic attack within 6 seconds has 350 range and causes her to dash to her target, dealing bonus physical damage, capped at 300 against non-champions, and commanding all tentacles in range to attack her target.

Bonus Physical Damage:
3 / 3.5 / 4 / 4.5 / 5% (+ 2% per 100 AD) of target's maximum health

Harsh Lesson resets Illaoi's autoattack timer.

Ability Details
  • The enhanced attack will apply other on-hit effects and can Critical strike icon critically strike as normal.
  • Harsh Lesson's bonus damage will not interact with Critical strike icon critical strikes.
    • It will neither affect structures, but the enhanced attack will be consumed.
Illaoi WVideo

Test of Spirit
COST: 35 / 40 / 45 / 50 / 55 Mana
COOLDOWN: 20 / 18 / 16 / 14 / 12
Test of Spirit

Active: Illaoi unleashes a tentacle in the target direction, stopping at the first enemy hit. Against champions pulls their Spirit, placing it in front of Illaoi, and Prophet of an Elder God tentacles in range are signalized to attack it. The target is tethered to the Spirit, and True Sight icon revealed while it remains active.

Spirits have the target's current health and last for 10 seconds, reduced by 1 second each time the target damages Illaoi. Illaoi and her allies can attack the Spirit to inflinct a portion of the damage dealt to the tethered champion.

Damage Transmission:
25 / 30 / 35 / 40 / 45% (+ 8% per 100 AD)

The tether is severed if the Spirit is killed or when the target moves too far away, Slow icon slowing them by 80% for 1.5 seconds, and marking them as a Vessel for 12 seconds.


Vessel: Prophet of an Elder God Tentacles spawn near them every 5 / 4 / 3 seconds, and nearby Prophet of an Elder God tentacles attack them. Prophet of an Elder God Tentacles can autonomously attack a Vessel / Spirit only once every 10 seconds.

Ability Details
  • Even though the ability is considered a skill shot, if Illaoi is in a bush and the enemies have no vision on it, they won't be able to see the tentacle leaving the bush until they get hit by it.
  • Spell shield will only prevent your Spirit from being grabbed. Spell shields will not prevent you from becoming a Vessel or prevent tentacles from attacking you, although they can be used to block a tentacle's attack.
  • Redirected damage (the damage dealt after applying the ability's modifier) cannot exceed the Spirit's current health. Following this the damage is subject to modifiers, such as resistances and amplifiers (e.g. Lord Dominik's Regards item Lord Dominik's Regards) and will be able to exceed the Spirit's current health.
    • True Damage is not affected by these modifiers but will be modified by Test of Spirit's modifier.
  • The amount of damage that will be redirected to the Vessel does not take into account the Spirit's resistances - the redirected damage is only reduced once, by the Vessel's resistances.
    • The damage shown being received by Spirit is not representative of the damage redirected to the Vessel, as the combat text shown adjacent to the Spirit factor the Spirit's resistances - which may be different from the Vessel's.
  • Damage transferred to the target will apply damage-type specific effects such as The Black Cleaver item The Black Cleaver, Morellonomicon item Morellonomicon, Executioner's Calling item Executioner's Calling, or the healing from Death's Dance item Death's Dance / Hextech Gunblade item Hextech Gunblade, determined by who dealt the damage.
    • It will not trigger on-hit effects or spell effects versus the target (Deathfire Touch mastery 2016.png Deathfire Touch, Wit's End item Wit's End) although the damage of those effects dealt to the Spirit will be transferred.
    • The Black Cleaver item The Black Cleaver can only apply 1 stack per ability, and will be applied by the transferred damage. Because of this the spirit is unable to stack it.
  • Spirits are classified as Decoys, making them targetable as a champion.
  • Even towers, minions, and neutral monsters can attack Spirits.
  • Killing a Spirit rewards you with Gold 25.
Illaoi EVideo

Leap of Faith
COST: 100 Mana
COOLDOWN: 120 / 105 / 90
Leap of Faith

Active: Illaoi leaps into the air before slamming her idol into the ground, dealing physical damage to nearby enemies. For each enemy champion and Test of Spirit Spirit hit, a Prophet of an Elder God Tentacle is summoned for 8 seconds.

Physical Damage:
150 / 250 / 350 (+ 50% bonus AD)

For the duration, Harsh Lesson Harsh Lesson's cooldown is reduced to 2 - 1.1 (based on Cooldown reduction icon cooldown reduction) seconds, all Prophet of an Elder God Tentacles awaken by Illaoi are Playful untargetable and cannot go dormant. Their first attack is 50% faster, and if they attack in a row, their second attack won't gain this bonus.

"There are kind and gentle gods. Mine isn't one of those."
IllaoiSquare Illaoi

Ability Details
  • Illaoi is immune to being Airborne icon displaced while in her cast animation.
  • Spirits are counted as champions for the purposes of Leap of Faith, so it will summon another Tentacle for a Vessel hit.
  • Illaoi will face the closest enemy champion when she ults, and will spawn tentacles (850 range away from her, unless there's a wall blocking the way making the tentacle spawn on it) based on:
    • The direction she's facing.
    • How many champions she hits.
      • 1+ champions: one tentacle at 90 degrees.
      • 2+ champions: one tentacle at 165 degrees.
      • 3+ champions: one tentacle at 15 degrees.
      • 4+ champions: one tentacle at 230 degrees.
      • 5+ champions: one tentacle at 315 degrees.
  • The animation may get bugged if Illaoi moves immediately after using Leap of Faith.
  • Spell shield will block the ability's damage but will not prevent Prophet of an Elder God Tentacles from spawning.
Illaoi RVideo


Control type The Tentacle is commanded to attack each time a target in its range gets hit by Harsh Lesson Harsh Lesson.

The Tentacle also automatically attacks the closest target in its range, every 10 seconds (counted after it finishes its first attack), which can be:

Target type Ward (can be Teleport teleported to), minion (does not count towards the minion kill tracking score)
On-hit effects Hits through Counter Strike Counter Strike and Aegis Protection Aegis Protection.
Spell effects Applies spell effects as an area of effect ability.
  • Banshee's Veil item Spell shields will block the attack.
  • A Tentacle that hits the same enemy already struck by other Tentacles within the last 0.5 seconds will deal 50% less damage based on how many Tentacles have struck it. This damage reduction stops at 75%.



The Tentacle damages all non-structure enemies it hits along its length, healing Illaoi for 5% missing health if it hits at least one enemy champion.


The Tentacle alerts Illaoi whenever it takes damage.


If the Tentacle is too far away from Illaoi or a Vessel Vessel, it becomes dormant, reducing itself to 1 health and disappearing after 60 seconds of dormancy. The Tentacle instantly reactivates if Illaoi or a Vessel Vessel moves back in range.


The Tentacle enrages for 8 seconds after Leap of Faith Leap of Faith has been cast, becoming untargetable and swinging 50% faster.


They can reveal nearby Control Ward item Control Wards.