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Matchup

Sejuani
Sejuani
45%
55%

vs

50.0%
Leona
Leona
57%
43%
Heavy CCStrong engageVery tanky

Build vs Leona

Build adapted to this matchup

Starting items

Gustwalker Hatchling
Health Potion

Core build

Heartsteel
1Survival
Thornmail
2vs Hybride
Unending Despair
3vs AD

Standard

Boots of Swiftness
4vs Slow
Jak'Sho, The Protean
5vs Hybride

Summoner spells

411100%

Anti AD

Plated Steelcaps
4vs AD
Jak'Sho, The Protean
5vs Hybride
Randuin's Omen
vs AD
Dead Man's Plate
vs AD

Anti AP

Mercury's Treads
4vs CC
Kaenic Rookern
5vs AP
100.0% WR1 games
ResolveResolve
AftershockAftershock
Font of LifeFont of Life
ConditioningConditioning
OvergrowthOvergrowth
PrecisionPrecision
Legend: AlacrityLegend: Alacrity
TriumphTriumph
Attack SpeedHealth ScalingHealth Scaling

Power Spikes

Strength by game phase

Early (0-15)
Mid (15-30)
Late (30+)
SejuaniSejuani
LeonaLeona
Neutral
Neutral
Neutral

Leona's abilities

Passive, spells and ultimate

Sunlight (P)

Damaging spells afflict enemies with Sunlight for 1.5 seconds. When allied Champions deal damage to those targets, they consume the Sunlight to deal additional magic damage.

Cooldowns

Cooldowns by spell rank

LevelQWER
35s14s12s–
65s14s12s1m30
95s13s12s1m30
115s12s12s1m15
165s10s9s1m
185s10s6s1m

Playing against Leona

How to counter and exploit weaknesses

1

Respect her level 2: if Leona hits level 2 first, back off immediately because her E+Q engage is deadly.

2

Stay away from your ADC: if she E's onto you and your ADC is nearby, her allies can focus both of you.

3

Punish her when her E is on cooldown (12-8s): Leona without engage is a melee support with no utility.

4

Champions with disengage (Janna, Morgana) counter Leona: an anti-CC shield or knockback cancels her entire combo.

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