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Matchup

Kassadin
Kassadin
27%
73%

vs

50.0%
Rek'Sai
RekSai
80%
20%
Heavy AD damageDive threatCountered by stasisStrong engage

You are stronger late game — farm safe and avoid early trades.

Build vs Rek'Sai

Build adapted to this matchup

Starting items

Dark Seal
Refillable Potion

Core build

Dark Seal
1
Rod of Ages
2HP
Muramana
3

Standard

Boots of Swiftness
4vs Slow
Seraph's Embrace
5Mage

Summoner spells

41267%
41433%

Anti AD

Plated Steelcaps
4vs AD
Zhonya's Hourglass
5vs AD

Anti CC

Mercury's Treads
4vs CC

Anti Tank

Void Staff
5vs Tank

DPS

Seraph's Embrace
Mage
Malignance
Mage
Rabadon's Deathcap
Mage
100.0% WR1 games
DominationDomination
ElectrocuteElectrocute
Sudden ImpactSudden Impact
Grisly MementosGrisly Mementos
Ultimate HunterUltimate Hunter
ResolveResolve
Second WindSecond Wind
OvergrowthOvergrowth
Adaptive ForceHealth ScalingHealth Scaling

Power Spikes

Strength by game phase

Early (0-15)
Mid (15-30)
Late (30+)
KassadinKassadin
RekSaiRek'Sai
Passive
Neutral
Aggressive

Rek'Sai's abilities

Passive, spells and ultimate

Fury of the Xer'Sai (P)

Rek'Sai generates Fury by Attacking and hitting with basic Abilities. She consumes this Fury while Burrowed to restore health.

Cooldowns

Cooldowns by spell rank

LevelQWER
34s4s6s–
63s4s6s2m
92s4s6s2m
112s4s6s1m40
162s4s6s1m20
182s4s6s1m20

Playing against Rek'Sai

How to counter and exploit weaknesses

1

Destroy her tunnels when you find them — each tunnel is a passage she can reuse to escape or engage.

2

Her knockup (W) has short range: she must be very close to knock you up.

3

Rek'Sai is strong in the early game: respect her ganks with tremorsense. Play safe.

4

Her R makes her visible and she dashes in a straight line: a well-placed CC stops her.

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