Matchup

Heavy CCVery tankyStrong engage

Build vs Sejuani

Build adapted to this matchup

Starting items

Doran's Blade
Health Potion

Core build

Blade of The Ruined King
1DPS
Voltaic Cyclosword
2vs Tank
Lord Dominik's Regards
3vs Tank

Standard

Boots of Swiftness
4vs Slow
Infinity Edge
5DPS

Summoner spells

41493%
4127%

Anti AD

Plated Steelcaps
4vs AD
Guardian Angel
5vs AD

Anti Tank

The Collector
5vs Tank

DPS

Infinity Edge
DPS
Stormrazor
DPS
Hexoptics C44
DPS
Statikk Shiv
DPS
Rapid Firecannon
DPS
Immortal Shieldbow
DPS
Bloodthirster
DPS

Other options

Executioner's Calling
100.0% WR1 games
PrecisionPrecision
Press the AttackPress the Attack
Presence of MindPresence of Mind
Legend: AlacrityLegend: Alacrity
Cut DownCut Down
InspirationInspiration
Magical FootwearMagical Footwear
Triple TonicTriple Tonic
Attack SpeedAdaptive ForceHealth

Power Spikes

Strength by game phase

Early (0-15)
Mid (15-30)
Late (30+)
AkshanAkshan
SejuaniSejuani
Aggressive
Careful
Careful

Sejuani's abilities

Passive, spells and ultimate

Fury of the North (P)

After being out of combat, Sejuani gains Frost Armor which grants Armor and Magic Resist and immunity to slows. Frost Armor persists for a short time after Sejuani takes damage. Sejuani can damage a stunned enemy to shatter it, dealing massive magic damage.

Cooldowns

Cooldowns by spell rank

LevelQWER
318s9s1.5s
615s9s1.5s2m
912s8s1.5s2m
1112s7s1.5s1m45
1612s5s1.5s1m30
1812s5s1.5s1m30

Playing against Sejuani

How to counter and exploit weaknesses

1

Sejuani needs 4 frost stacks to stun — don't stay in range of her extended autos.

2

Her Q is a slow and predictable dash — sidestep or Flash the knockup.

3

She's weak in 1v1 but excels in teamfights — invade her early in the jungle when she's vulnerable.

4

Tenacity reduces the duration of her many CCs — buy Tenacity if you're frontline.

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