Kai'Sa's basic attacks stack Plasma, dealing increasing bonus magic damage. Allies' immobilizing effects help stack Plasma. Additionally, Kai'Sa's item purchases upgrade her basic spells to have more powerful properties.
1
ICATHIAN RAIN
Kai'Sa shoots a swarm of missiles that seek out nearby targets. Living Weapon: Icathian Rain is upgraded to shoot more missiles.
2
VOID SEEKER
Kai'Sa shoots a long range missile, revealing and marking enemies with her passive. Living Weapon: Void Seeker is upgraded to apply more Plasma marks and reduce cooldown on champion hit.
3
SUPERCHARGE
Kai'Sa briefly increases her movement speed, then increases her attack speed. Living Weapon: Supercharge is upgraded to briefly grant Invisibility.
Ult
KILLER INSTINCT
Kai'Sa dashes near an enemy champion marked by Plasma and gains a temporary shield.
Ability descriptions from the official Wild Rift website.
This page is for League of Legends: Wild Rift (the mobile game), not League of Legends on PC. A Japanese version with guides and matchup notes is available: 日本語版.