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Matchup

Heimerdinger
Heimerdinger
20%
80%

vs

50.0%
Rammus
Rammus
44%
56%
Very tankyStrong engageHeavy CC

Build vs Rammus

Build adapted to this matchup

Starting items

Doran's Ring
Health Potion
x2

Core build

Rabadon's Deathcap
1Mage
Void Staff
2vs Tank
Shadowflame
3vs Tank

Standard

Sorcerer's Shoes
4Magic pen
Blackfire Torch
5Mage

Summoner spells

412100%

Anti AD

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

Anti CC

Mercury's Treads
4vs CC

Anti Tank

Stormsurge
5vs Tank

DPS

Blackfire Torch
Mage
Liandry's Torment
Mage tank
Rylai's Crystal Scepter
Mage tank
0.0% WR1 games
PrecisionPrecision
ConquerorConqueror
Presence of MindPresence of Mind
Legend: HasteLegend: Haste
Cut DownCut Down
DominationDomination
Ultimate HunterUltimate Hunter
Cheap ShotCheap Shot
Adaptive ForceAdaptive ForceHealth Scaling

Power Spikes

Strength by game phase

Early (0-15)
Mid (15-30)
Late (30+)
HeimerdingerHeimerdinger
RammusRammus
Neutral
Neutral
Neutral

Rammus's abilities

Passive, spells and ultimate

Spiked Shell (P)

Rammus gains bonus Attack Damage scaling with his Armor and Magic Resistance.

Cooldowns

Cooldowns by spell rank

LevelQWER
312s7s12s–
69s7s12s2m
96s7s12s2m
116s7s12s1m45
166s7s12s1m30
186s7s12s1m30

Playing against Rammus

How to counter and exploit weaknesses

1

Magic damage counters him: Rammus stacks armor but is vulnerable to AP.

2

Do NOT auto-attack him when his W is active: every auto reflects massive damage back to you.

3

His Q can be blocked by minions or any unit — position yourself behind minions.

4

The taunt is targeted but short range: kite him and stay out of E range.

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