PatchImpact
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Kayn Patch History

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

Every tracked buff, nerf and adjustment for Kayn, newest first — with the exact numbers from each patch. Latest change in Patch 26.3.

4Buffs
3Nerfs
0Adjustments

Change Timeline

  1. Patch 26.3

    BuffFeb 3, 2026

    Kayn's Q ability damage has been increased.

    Q - Reaping Slash

    • Damage: 75 / 100 / 125 / 150 / 175 (+ 85% Bonus AD) ⇒ 75 / 105 / 135 / 165 / 195 (+ 85% Bonus AD)
    Patch 26.3 details

  2. Patch 25.24

    NerfDec 2, 2025

    Reduced bonus magic damage scaling.

    Passive - The Darkin Scythe

    • Bonus Post-Mitigation Magic Damage: 25-45% ⇒ 20-40%
    Patch 25.24 details

  3. Patch 25.17

    BuffAug 26, 2025

    Kayn's Q and W mana costs decreased.

    Q - Reaping Slash

    • Mana Cost: 50 ⇒ 40

    W - Blade's Reach

    • Mana Cost: 60 / 65 / 70 / 75 /80 ⇒ 40 / 45 / 50 / 55 / 60
    Patch 25.17 details

  4. Patch 25.10

    NerfMay 13, 2025

    Kayn's health growth has been decreased.

    Base Stats

    • Health Growth: 109 ⇒ 103
    Patch 25.10 details

  5. Patch 14.7

    BuffApr 2, 2024

    Kayn's Q damage was increased.

    Q

    • Damage increased.
    Patch 14.7 details

  6. Patch 14.6

    NerfMar 19, 2024

    Kayn's Darkin Q damage increased, but Shadow Assassin R damage decreased.

    Q - Reaping Slash

    • Damage per hit increased.

    R - Umbral Trespass

    • Damage decreased.
    Patch 14.6 details

  7. Patch 14.5

    BuffMar 5, 2024

    Kayn's healing from his passive and R has been increased.

    Passive

    • Darkin Bonus - Healing: 25% ⇒ 25% (+0.5% per 100 Bonus Health)

    R

    • Darkin Form Healing: 65% of damage dealt ⇒ 75% of damage dealt
    Patch 14.5 details