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Matchup

Janna
Janna
30%
70%

vs

50.0%
Heimerdinger
Heimerdinger
20%
80%
Heavy AP damageSustained DPSHeavy pokeHeavy CC

Build vs Heimerdinger

Build adapted to this matchup

Starting items

Health Potion
x2

Core build

Dark Seal
1
Moonstone Renewer
2HP
Redemption
3

Standard

Boots of Swiftness
4vs Slow
Dream Maker
5HP

Summoner spells

4795%
4145%

Anti CC

Mercury's Treads
4vs CC

Other options

Dream Maker
HP
Shurelya's Battlesong
Ardent Censer
Staff of Flowing Water
Mikael's Blessing
HP
Oblivion Orb
Dawncore
Solstice Sleigh
HP
100.0% WR1 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
HeimerdingerHeimerdinger
Neutral
Neutral
Neutral

Heimerdinger's abilities

Passive, spells and ultimate

Hextech Affinity (P)

Gain Move Speed while near allied towers and turrets deployed by Heimerdinger.

Cooldowns

Cooldowns by spell rank

LevelQWER
31s11s11s–
61s11s11s1m40
91s10s11s1m40
111s9s11s1m25
161s7s11s1m10
181s7s11s1m10

Playing against Heimerdinger

How to counter and exploit weaknesses

1

Destroy his turrets first: without them, Heimerdinger deals much less damage and loses his zone control.

2

Don't fight in his turret zone: lure him away from his placements to fight.

3

Ganks are most effective against Heimer — but kill his turrets first or they'll kill you during the gank.

4

Champions with range who can snipe turrets (Syndra, Ziggs, Xerath) counter him well.

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