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.

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