PatchImpact
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Kassadin Patch History

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

Every tracked buff, nerf and adjustment for Kassadin, newest first — with the exact numbers from each patch. Latest change in Patch 26.11.

2Buffs
1Nerfs
1Adjustments

Change Timeline

  1. Patch 26.11

    BuffMay 27, 2026

    Kassadin's abilities have improved early game damage and cooldown.

    Q - Null Sphere

    • Cooldown: 10 / 9.5 / 9 / 8.5 / 8 ⇒ 9 / 8.5 / 8 / 7.5 / 7

    W - Nether Blade

    • Base Magic Damage: 20 (+10% AP) ⇒ 25 (+10% AP)
    Patch 26.11 details

  2. Patch 26.4

    NerfFeb 18, 2026

    Reduced health growth and slow from E.

    Base Stats

    • Health Growth: 119 ⇒ 113

    E - Force Pulse

    • Slow: 50 / 60 / 70 / 80 / 90% ⇒ 50 / 55 / 60 / 65 / 70%
    Patch 26.4 details

  3. Patch 25.17

    BuffAug 26, 2025

    Kassadin's Q and E damage increased.

    Q - Null Sphere

    • Damage: 65 / 95 / 125 / 155 / 185 (+ 60% AP) ⇒ 65 / 95 / 125 / 155 / 185 (+ 70% AP)

    E - Force Pulse

    • Damage: 70 / 100 / 130 / 160 / 190 (+ 65% AP) ⇒ 70 / 100 / 130 / 160 / 190 (+ 70% AP)
    Patch 25.17 details

  4. Patch 25.11

    AdjustmentMay 27, 2025

    Base armor and E damage increased, but R damage decreased.

    Base Stats

    • Base Armor (Level 1): 19 ⇒ 21

    E

    • Damage: 60 / 90 / 120 / 150 / 180 (+ 65% AP) ⇒ 70 / 100 / 130 / 160 / 190 (+ 65% AP)

    R

    • Bonus Damage per stack: 35 / 45 / 55 (+ 10% AP) (+ 1% maximum mana) ⇒ 35 / 45 / 55 (+ 7% AP) (+ 1% maximum mana)
    • Maximum Damage: 210 / 270 / 330 (+ 90% AP) (+ 6% maximum mana) ⇒ 210 / 270 / 330 (+ 78% AP) (+ 6% maximum mana)
    Patch 25.11 details