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League of Legends

Kassadin: change history

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8 changes across 3 patches (May 27, 2026 to Sep 22, 2026), newest first.

Buff 6Adjust 2
  1. League of Legends Patch 26.19Buff 2Adjust 2Official notes ↗
    Buff
    League Classic Q - Null Sphere · Ability Power Ratio
    Ability power ratio on Kassadin's Null Sphere (Q) increases from 60% to 70%.
    60%→70%
    Source line
    Ability Power Ratio: 60% → 70%
    Adjust
    League Classic E - Force Pulse · Damage
    Damage on Kassadin's Force Pulse (E) changes from 60 / 120 / 180 / 240 / 300 (+80% AP) to 80 / 130 / 180 / 230 / 280 (+70% AP).
    60 / 120 / 180 / 240 / 300 (+80% AP)→80 / 130 / 180 / 230 / 280 (+70% AP)
    Source line
    Damage: 60 / 120 / 180 / 240 / 300 (+80% AP) → 80 / 130 / 180 / 230 / 280 (+70% AP)
    Adjust
    League Classic E - Force Pulse · Slow
    Slow on Kassadin's Force Pulse (E) changes from 20 / 30 / 40 / 50 / 60% to 30 / 35 / 40 / 45 / 50%.
    20 / 30 / 40 / 50 / 60%→30 / 35 / 40 / 45 / 50%
    Source line
    Slow: 20 / 30 / 40 / 50 / 60% → 30 / 35 / 40 / 45 / 50%
    Buff
    League Classic R - Riftwalk · Range
    Range on Kassadin's Riftwalk (R) increases from 600 to 700.
    600→700
    Source line
    Range: 600 → 700
  2. League of Legends Patch 26.18Buff 2Official notes ↗
    Buff
    Summoner's Rift Q - Null Sphere · Ability Power Ratio
    Ability power ratio on Kassadin's Null Sphere (Q) increases from 70% AP to 80% AP.
    70% AP→80% AP
    Source line
    Ability Power Ratio: 70% AP → 80% AP
    Buff
    Summoner's Rift R - Riftwalk · Base Damage
    Base damage on Kassadin's Riftwalk (R) increases from 70 / 90 / 110 to 80 / 95 / 110.
    70 / 90 / 110→80 / 95 / 110
    Source line
    Base Damage: 70 / 90 / 110 → 80 / 95 / 110
  3. League of Legends Patch 26.11Buff 2Official notes ↗
    Buff
    Summoner's Rift Q - Null Sphere · Cooldown
    Cooldown on Kassadin's Null Sphere (Q) decreases from 10 / 9.5 / 9 / 8.5 / 8 to 9 / 8.5 / 8 / 7.5 / 7.
    10 / 9.5 / 9 / 8.5 / 8→9 / 8.5 / 8 / 7.5 / 7
    Source line
    Cooldown: 10 / 9.5 / 9 / 8.5 / 8 → 9 / 8.5 / 8 / 7.5 / 7
    Buff
    Summoner's Rift W - Nether Blade · Base Magic Damage
    Base magic damage on Kassadin's Nether Blade (W) increases from 20 (+10% AP) to 25 (+10% AP).
    20 (+10% AP)→25 (+10% AP)
    Source line
    Base Magic Damage: 20 (+10% AP) → 25 (+10% AP)

Other matches

1 more change in 1 patch, newest first.

League of Legends

League of Legends Patch 26.17

Aug 25, 2026Official notes ↗
Fix
League Classic Bug fixes
Fixed a bug where Kassadin's Passive tooltip did not accurately reflect that Kassadin gained Attack Speed based on damage mitigated.
Source line
Fixed a bug where Kassadin's Passive tooltip did not accurately reflect that Kassadin gains Attack Speed based on damage mitigated.