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Matchup

Rell
Rell
0%
100%

vs

50.0%
Sion
Sion
63%
37%
Very tankyHeavy CCStrong engageSplit push

Build vs Sion

Build adapted to this matchup

Starting items

Health Potion
x2

Core build

Zeke's Convergence
1Tank
Locket of the Iron Solari
2HP
Thornmail
3vs Hybride

Standard

Boots of Swiftness
4vs Slow
Celestial Opposition
5HP

Summoner spells

41462%
4720%

Anti AD

Plated Steelcaps
4vs AD
Knight's Vow
5vs AD
Frozen Heart
vs AD

Anti AP

Mercury's Treads
4vs CC
Bandlepipes
5vs Hybride

Other options

Celestial Opposition
HP
Solstice Sleigh
HP
Protoplasm Harness
Survival
Mikael's Blessing
HP
100.0% WR2 games
ResolveResolve
AftershockAftershock
Shield BashShield Bash
Bone PlatingBone Plating
UnflinchingUnflinching
InspirationInspiration
Hextech FlashtraptionHextech Flashtraption
Cosmic InsightCosmic Insight
Ability HasteHealth ScalingHealth Scaling

Power Spikes

Strength by game phase

Early (0-15)
Mid (15-30)
Late (30+)
RellRell
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