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 26.18.

Updated

3Buffs
2Nerfs
1Adjustments

Change Timeline

  1. Patch 26.18

    BuffSep 9, 2026

    Kassadin's Q and R damage have been increased.

    Q - Null Sphere

    • Ability Power Ratio: 70% AP ⇒ 80% AP

    R - Riftwalk

    • Base Damage: 70 / 90 / 110 ⇒ 80 / 95 / 110
    Patch 26.18 details

  2. 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

  3. 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

  4. 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

  5. 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

  6. Patch 14.21

    NerfOct 22, 2024

    Q and E damage decreased.

    Q - Null Sphere

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

    E - Force Pulse

    • Magic Damage: 60/90/120/150/180 (+70% AP) ⇒ 60/90/120/150/180 (+65% AP)
    Patch 14.21 details

Kassadin FAQ

Was Kassadin buffed or nerfed in Patch 26.18?
Kassadin was buffed in Patch 26.18 (Ability Power Ratio 70%→80%).
What changed for Kassadin in Patch 26.18?
Ability Power Ratio 70%→80%. Every number is quoted verbatim from the official Patch 26.18 notes.
When was Kassadin's last change?
Patch 26.18, released 9 September 2026.
How many times has Kassadin been changed?
Kassadin has changed 6 times in the patches we track, from Patch 14.21 to Patch 26.18 — 3 buffs, 2 nerfs and 1 adjustments.