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Matchup

Rell
Rell
0%
100%

vs

50.0%
Kaisa
Kaisa
73%
27%
Sustained DPSHeavy AD damageHigh burst

Build vs Kaisa

Build adapted to this matchup

Starting items

Health Potion
x2

Core build

Locket of the Iron Solari
1HP
Thornmail
2vs Hybride
Kaenic Rookern
3vs AP

Standard

Boots of Swiftness
4vs Slow
Zeke's Convergence
5Tank

Summoner spells

41463%
3425%

Anti AD

Plated Steelcaps
4vs AD
Knight's Vow
5vs AD

Anti AP

Mercury's Treads
4vs CC
Bandlepipes
5vs Hybride

Other options

Zeke's Convergence
Tank
Celestial Opposition
HP
Protoplasm Harness
Survival
0.0% WR1 games
ResolveResolve
AftershockAftershock
Shield BashShield Bash
Bone PlatingBone Plating
UnflinchingUnflinching
InspirationInspiration
Hextech FlashtraptionHextech Flashtraption
Cosmic InsightCosmic Insight
Ability HasteHealth ScalingHealth Scaling

Power Spikes

Strength by game phase

Early (0-15)
Mid (15-30)
Late (30+)
RellRell
KaisaKaisa
Favorable
Favorable
Passive

Kaisa's abilities

Passive, spells and ultimate

Second Skin (P)

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.

Cooldowns

Cooldowns by spell rank

LevelQWER
310s22s16s–
68s22s16s2m10
96s20s16s2m10
116s18s16s1m40
166s14s13s1m10
186s14s10s1m10

Playing against Kaisa

How to counter and exploit weaknesses

1

Stay with your minions: her Q spreads missiles among all targets. Isolated, you take all the missiles.

2

Her R can only target enemies marked by passive or W — if she doesn't hit you, she can't R onto you.

3

Kai'Sa has relatively short range (525) and is weak early — punish her with longer-range ADCs.

4

Her W (Void Seeker) applies 2 passive stacks and marks for R: dodge it as priority in mid/late game.

Source: op.gg + LTL Engine · Patch 16.9.1 · May 9, 2026