PatchImpact
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Illaoi Patch History

Trending up — 2 of the last 3 changes were buffs.

Every tracked buff, nerf and adjustment for Illaoi, newest first — with the exact numbers from each patch. Latest change in Patch 26.4.

Updated

4Buffs
4Nerfs
0Adjustments

Change Timeline

  1. Patch 26.4

    BuffFeb 18, 2026

    Increased tentacle base damage.

    Passive - Prophet of an Elder God

    • Tentacle Base Damage: 9-180 (based on level) ⇒ 9-200 (based on level)
    Patch 26.4 details

  2. Patch 25.18

    NerfSep 9, 2025

    Illaoi received a nerf to her W damage and a change to her passive.

    Passive

    • No longer spawns tentacles during Summoner Teleport. Her passive now waits until she's done teleporting.

    W - Harsh Lesson

    • Target Max Health Damage: 4% per 100 total AD ⇒ 3.5% per 100 total AD

    E - Test of Spirit

    • Vessel Duration: 3 ⇒ 4 seconds
    Patch 25.18 details

  3. Patch 25.16

    BuffAug 12, 2025

    Illaoi's passive damage and spawn cooldown decreased.

    Passive

    • Total AD Ratio: 105% ⇒ 110%
    • Spawn Cooldown: 20 - 7.25 seconds (based on level) ⇒ 18 - 7 seconds (based on level)
    Patch 25.16 details

  4. Patch 25.15

    BuffJul 29, 2025

    Illaoi's passive damage has been increased, and E has been adjusted.

    Passive - Prophet of an Elder God

    • Damage: 9 - 162 (based on level) (+ 100% AD) (+ 40% AP) ⇒ 9 - 162 (based on level (+ 105% AD) (+ 40% AP)

    E - Test of Spirit

    • Tentacle Attack Timer: 5 / 4 / 3 seconds (level 1 / 7 / 13) ⇒ 4 / 3.5 / 3 seconds (level 1 / 7 / 13)
    Patch 25.15 details

  5. Patch 14.22

    NerfNov 5, 2024

    Illaoi's base attack damage and mana growth have been reduced.

    Base Stats

    • Attack Damage: 68 ⇒ 65
    • Mana Growth: 60 ⇒ 50
    Patch 14.22 details

  6. Patch 14.4

    NerfFeb 21, 2024

    Illaoi's passive damage has been reduced.

    Passive - Prophet of an Elder God

    • Damage: 9-162 (based on level) (+115% Total AD) ⇒ 9-162 (based on level) (+100% Total AD)
    Patch 14.4 details

  7. Patch 14.3

    NerfFeb 6, 2024

    Illaoi's tentacle damage has been decreased despite an increase in range.

    Passive

    • Tentacle Range: 800 ⇒ 925
    • Tentacle Damage: 10-180 (based on level) (+120% AD) (+40% AP) ⇒ 9-162 (based on level) (+115% AD) (+40% AP)
    Patch 14.3 details

  8. Patch 14.2

    BuffJan 23, 2024

    Illaoi's base mana, mana growth, health growth, and passive heal are increased.

    Base Stats

    • Base Mana: 300 ⇒ 350

    Mana Growth

    • 50 ⇒ 60

    Health Growth

    • 109 ⇒ 115

    Passive - Prophet of an Elder God

    • Missing Health Heal upon Tentacle Hit: 4.5% of missing health ⇒ 5% of missing health
    Patch 14.2 details

Illaoi FAQ

Was Illaoi buffed or nerfed in Patch 26.4?
Illaoi was buffed in Patch 26.4 (Tentacle Base Damage 9→9).
What changed for Illaoi in Patch 26.4?
Tentacle Base Damage 9→9. Every number is quoted verbatim from the official Patch 26.4 notes.
When was Illaoi's last change?
Patch 26.4, released 18 February 2026.
How many times has Illaoi been changed?
Illaoi has changed 8 times in the patches we track, from Patch 14.2 to Patch 26.4 — 4 buffs, 4 nerfs and 0 adjustments.