Kai'Sa Patch History

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

Every tracked buff, nerf and adjustment for Kai'Sa, newest first — with the exact numbers from each patch. Latest change in Patch 26.15.

5Buffs

1Nerfs

0Adjustments

Change Timeline

Patch 26.15
BuffJul 28, 2026
Kai'Sa's passive scaling has been improved for better late game performance.
Passive - Second Skin
- Caustic Wounds: 4 - 24 (Champion Level) (+12% Ability Power) ⇒ 4 - 30 (Champion Level) (+12% Ability Power)
Patch 26.15 details
Patch 26.13
BuffJun 23, 2026
Kai'Sa's W cooldown is reduced and R shield is increased.
W - Void Seeker
- Cooldown: 22 / 20 / 18 / 16 / 14 ⇒ 20 / 18.5 / 17 / 15.5 / 14
R - Killer Instinct
- Shield: 70 / 90 / 110 (+90 / 135 / 180% AD) (+120% AP) ⇒ 100 / 150 / 200 (+90 / 135 / 180% AD) (+120% AP)
Patch 26.13 details
Patch 25.23
NerfNov 18, 2025
Kai'Sa received a nerf to her base armor and ultimate cooldown.
Base Stats
- Base Armor: 27 ⇒ 25
R - Killer Instinct
- Cooldown: 120 / 90 / 60 ⇒ 130 / 100 / 70
Patch 25.23 details
Patch 25.06
BuffMar 18, 2025
Kai'Sa received buffs to her armor, health regeneration, and ultimate cooldown.
Base Stats
- Base Armor: 25 ⇒ 27
- Base Health Regeneration: 3.5 ⇒ 4
R - Killer Instinct
- Cooldown: 130 / 100 / 70 ⇒ 120 / 90 / 60 seconds
Patch 25.06 details
Patch 14.8
BuffApr 16, 2024
Q damage increased.
Q - Icathian Rain
- Damage per Missile: 40/55/70/85/100 (+50% bonus AD) (+20% AP) ⇒ 40/55/70/85/100 (+55% bonus AD) (+20% AP)
Patch 14.8 details
Patch 14.4
BuffFeb 21, 2024
Kai'Sa's ultimate range has been increased.
R - Killer Instinct
- Cast Range: 1500/2250/3000 ⇒ 2000/2500/3000
Patch 14.4 details