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Matchup

Irelia
Irelia
58%
42%

vs

54.6%

over 1135 games

Sion
Sion
63%
37%
Very tankyHeavy CCStrong engageSplit push

Skill matchup

You are stronger early — look to snowball before your opponent scales.

Build vs Sion

Build adapted to this matchup

Starting items

Doran's Blade
Health Potion

Core build

Blade of The Ruined King
1DPS
Terminus
2vs Tank
Hullbreaker
3Bruiser

Standard

Boots of Swiftness
4vs Slow
Wit's End
5vs AP

Summoner spells

41465%
41232%

Anti AD

Plated Steelcaps
4vs AD
Death's Dance
5vs AD
Guardian Angel
vs AD
Frozen Heart
vs AD
Randuin's Omen
vs AD
Zhonya's Hourglass
vs AD

Anti Heal

Mortal Reminder
6vs Hybride

Anti AP

Mercury's Treads
4vs CC
Wit's End
5vs AP
Maw of Malmortius
vs AP
Kaenic Rookern
vs AP
Mercurial Scimitar
vs AP

Anti Heal

Chempunk Chainsword
6vs Heal

Anti Tank

Black Cleaver
5vs Tank
Lord Dominik's Regards
vs Tank
Serpent's Fang
vs Tank

DPS

Kraken Slayer
DPS
Endless Hunger
DPS
Sundered Sky
Bruiser
Trinity Force
DPS
Experimental Hexplate
Bruiser
Titanic Hydra
Bruiser
Immortal Shieldbow
DPS

Other options

Sterak's Gage
Survival
Jak'Sho, The Protean
vs Hybride
Guinsoo's Rageblade
Bramble Vest
80.0% WR10 games
PrecisionPrecision
ConquerorConqueror
TriumphTriumph
Legend: AlacrityLegend: Alacrity
Last StandLast Stand
InspirationInspiration
Triple TonicTriple Tonic
Jack Of All TradesJack Of All Trades
Attack SpeedAdaptive ForceHealth

Power Spikes

Strength by game phase

Early (0-15)
Mid (15-30)
Late (30+)
IreliaIrelia
SionSion
Aggressive
Careful
Careful

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