PatchImpact
Cassiopeia icon

Cassiopeia Patch History

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

Every tracked buff, nerf and adjustment for Cassiopeia, newest first — with the exact numbers from each patch. Latest change in Patch 26.13.

4Buffs
1Nerfs
0Adjustments

Change Timeline

  1. Patch 26.13

    NerfJun 23, 2026

    Cassiopeia's health per level has been reduced.

    Base Stats

    • Health per level: 104 ⇒ 98
    Patch 26.13 details

  2. Patch 26.7

    BuffMar 31, 2026

    Increased base mana and E damage.

    Base Stats

    • Base Mana: 450 ⇒ 480

    E - Twin Fang

    • Bonus Magic Damage: 20 / 43 / 66 / 89 / 112 ⇒ 20 / 45 / 70 / 95 / 120
    Patch 26.7 details

  3. Patch 26.6

    BuffMar 17, 2026

    Increased base mana and damage on E - Twin Fang.

    • Base Mana: 450 ⇒ 480
    • Bonus Magic Damage to Poisoned Targets: 20 / 43 / 66 / 89 / 112 ⇒ 20 / 45 / 70 / 90 / 120
    Patch 26.6 details

  4. Patch 26.1

    BuffJan 7, 2026

    Increased base movement speed and improved passive movement speed buff effectiveness.

    Base Stats

    • Base Movement Speed: 328 ⇒ 335

    Passive - Serpentine Grace

    • Increased effectiveness of all Movement Speed buffs by 6-40% (based on level).
    Patch 26.1 details

  5. Patch 25.18

    BuffSep 9, 2025

    Cassiopeia received a mana increase and a damage buff to her E ability against poisoned targets.

    Base Stats

    • Base Mana: 400 ⇒ 450

    E - Twin Fang

    • Base Damage vs Poisoned Targets: 20 / 40 / 60 / 80 / 100 ⇒ 20 / 43 / 66 / 89 / 112
    Patch 25.18 details