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Matchup

Heimerdinger
Heimerdinger
20%
80%

vs

50.3%

over 400 games

Sion
Sion
63%
37%
Very tankyHeavy CCStrong engageSplit push

Skill matchup

Build vs Sion

Build adapted to this matchup

Starting items

Doran's Ring
Health Potion
x2

Core build

Blackfire Torch
1Mage
Liandry's Torment
2Mage tank
Shadowflame
3vs Tank

Standard

Sorcerer's Shoes
4Magic pen
Rabadon's Deathcap
5Mage

Summoner spells

41244%
41430%

Anti AD

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

Anti Heal

Morellonomicon
6vs Heal

Anti AP

Mercury's Treads
4vs CC
Banshee's Veil
5vs AP

Anti Tank

Void Staff
5vs Tank
Bloodletter's Curse
vs Tank
Cryptbloom
vs Tank
Stormsurge
vs Tank

DPS

Rabadon's Deathcap
Mage
Rylai's Crystal Scepter
Mage tank
Luden's Echo
Mage
Seraph's Embrace
Mage
Malignance
Mage

Other options

Tear of the Goddess
Mejai's Soulstealer
100.0% WR4 games
PrecisionPrecision
ConquerorConqueror
Presence of MindPresence of Mind
Legend: HasteLegend: Haste
Cut DownCut Down
SorcerySorcery
Absolute FocusAbsolute Focus
Gathering StormGathering Storm
Adaptive ForceAdaptive ForceHealth Scaling

Power Spikes

Strength by game phase

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

Sion's abilities

Passive, spells and ultimate

Glory in Death (P)

After being killed, Sion will temporarily reanimate with rapidly decaying Health. His attacks become very rapid, heal him, and deal bonus damage based on his target's maximum Health.

Cooldowns

Cooldowns by spell rank

LevelQWER
310s15s12s–
68s15s12s2m20
96s14s12s2m20
116s13s12s1m40
166s11s10s1m
186s11s8s1m

Playing against Sion

How to counter and exploit weaknesses

1

His Q charge can be interrupted by CC — stun him during the channel to cancel the knockup.

2

Sidestep his R (charge): he can't turn easily once he's started.

3

His zombie passive is slow: simply walk away from him, don't stay in range.

4

The W shield can be popped before it detonates: burst it quickly to prevent the damage from going off.

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