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Matchup

Janna
Janna
30%
70%

vs

55.3%

over 123 games

Leblanc
Leblanc
9%
91%
Heavy AP damageHigh burstCountered by spell shieldDive threat

Favorable matchup

Build vs Leblanc

Build adapted to this matchup

Starting items

Health Potion
x2

Core build

Moonstone Renewer
1HP
Ardent Censer
2
Shurelya's Battlesong
3

Standard

Boots of Swiftness
4vs Slow
Dream Maker
5HP

Summoner spells

4784%
4148%

Anti AD

Plated Steelcaps
4vs AD
Bandlepipes
5vs Hybride

Anti CC

Mercury's Treads
4vs CC

DPS

Imperial Mandate
Mage

Other options

Dream Maker
HP
Redemption
Solstice Sleigh
HP
Mikael's Blessing
HP
Zaz'Zak's Realmspike
HP
Echoes of Helia
HP
Dawncore
Locket of the Iron Solari
HP
Mejai's Soulstealer
Oblivion Orb
Celestial Opposition
HP
Diadem of Songs
HP
100.0% WR3 games
SorcerySorcery
Summon AerySummon Aery
Manaflow BandManaflow Band
CelerityCelerity
Gathering StormGathering Storm
ResolveResolve
RevitalizeRevitalize
Font of LifeFont of Life
Adaptive ForceMove SpeedHealth Scaling

Power Spikes

Strength by game phase

Early (0-15)
Mid (15-30)
Late (30+)
JannaJanna
LeblancLeblanc
Passive
Favorable
Favorable

Leblanc's abilities

Passive, spells and ultimate

Mirror Image (P)

When LeBlanc drops below 40% Health, she becomes invisible for 1 second and creates a Mirror Image that deals no damage and lasts for up to 8 seconds.

Cooldowns

Cooldowns by spell rank

LevelQWER
36s15s14s–
66s15s14s45s
96s13.75s14s45s
116s12.5s14s35s
166s10s12.5s25s
186s10s11s25s

Playing against Leblanc

How to counter and exploit weaknesses

1

When LeBlanc dashes with W, her return position is visible (distortion on the ground) — place your CC at that spot.

2

Buy MR and HP: her burst is 100% magic damage and she can't fight if she doesn't one-shot.

3

Punish her when her W is on cooldown (18-10s): it's her only mobility and approach damage source.

4

Champions with shields or sustain counter her short burst pattern — she can't trade for extended periods.

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