Illaoi vs Sion — Top Lane Matchup Guide

How to win lane as Illaoi against Sion · 47.54% win rate (1,851 Emerald+ games, lolalytics, sampled July 2026) · Matchup data reviewed on patch 26.15

Verdict: Sion is slightly favoured — Illaoi wins 47.54% of 1,851 games, and Sion pressures 4 of the 7 stage windows in the plan below. Play it patient and win your windows.

At a glance

He can’t dodge your E — dodge his charged Q and grind his immobility.

Track: Sion's Q — Decimating Smash (10–6s cooldown). Charged = knockup. Sidestep it.

Do

  • Dodge his charged Q
  • Build tentacles
  • E his immobile spirit

Don't

  • Eat a full Q stun
  • Fight into his W shield
  • Let him free-farm

Runes & build vs Sion

Start
Doran's Shield + Health Potion
First back
Executioner's Calling (≈800g) — cuts his healing
First item
Iceborn Gauntlet (the slow makes tentacles land)
Then
Sterak's Gage
Boots
Plated Steelcaps
Runes
Grasp of the Undying (Resolve): Demolish, Second Wind, Overgrowth · Precision: Triumph, Legend: Haste · Shards: Health Scaling, Adaptive Force, Health

Favour timeline — the windows in Illaoi's game plan

Read from Illaoi's seat: which stage windows this plan plays for against Sion.

StageFavouredWhy
Level 1SionSion's early Q and Soul Furnace shield out-trade your low tentacle count at level 1.
Level 2SionAt level 2 his charged Q knockup and shield still out-pressure your kit.
Level 3IllaoiLevel 3 you get Q plus W to dodge-and-reset, drowning him in tentacles.
Levels 4-5IllaoiLevels 4-5 your tentacle burst peaks and beats his shield trades.
Level 6SionAt 6 Leap of Faith spawns an arm per champion hit — it beats his shield.
First itemIllaoiHis first-item tank spike zones your tentacles and sets up ganks on you.
Two+ itemsSionLate, Sion's revive, engage, and tankiness win fights past your tentacle field.

How to beat Sion as Illaoi: the early game

Sion edges the very early levels — his Q Decimating Smash and Soul Furnace shield let him trade and shove while your tentacle count is low, and a charged Q knockup starts a combo you can't answer at level 1-2.

Hardest and easiest matchups for Illaoi in top lane

Pooled Emerald+ win rates from Illaoi's side, sampled July 2026.

Hardest

Easiest

Read the rest of this matchup

The full Illaoi vs Sion report continues with the mid-game plan, the late-game and teamfight plan, every power spike to play around, and the win conditions for both sides — plus cooldown tracking and the live enemy-jungle tracker inside the app.

Read the full guide — plans from $1.99/month →

🔒 Secure checkout · 💰 7-day money-back guarantee on your first payment · ✋ Cancel anytime
Lane Pass $1.99/mo · All Lanes $3.99/mo · Annual $24.99/yr. Renews automatically — cancel anytime.

Common questions

Who wins Illaoi vs Sion in top lane?

Sion, slightly — Illaoi wins 47.54% of 1,851 games; winnable with the right plan.

Is Illaoi vs Sion a skill matchup?

Mostly — Sion has a small statistical edge (52.46% win rate), but execution decides this lane far more than the pick does.

Does Illaoi counter Sion?

No — if anything Sion has the slight edge (Illaoi wins 47.54%), though it stays close.

What runes does Illaoi take vs Sion?

Illaoi takes Grasp of the Undying on the Resolve tree with Demolish, Second Wind and Overgrowth, and Precision secondary (Triumph and Legend: Haste) vs Sion.

What should Illaoi build vs Sion?

Start Doran's Shield + Health Potion and back for Executioner's Calling (≈800g) — cuts his healing. Build Iceborn Gauntlet (the slow makes tentacles land) first, then Sterak's Gage, with Plated Steelcaps.

Related guides

Playing the other side? Sion vs Illaoi guide →
All Illaoi top lane matchups →

More Illaoi top lane matchups: vs Sett · vs Shen · vs Singed · vs Swain · vs Sylas · vs Tahm Kench