How to win lane as Illaoi against Zac · 52.7% win rate (630 Emerald+ games, lolalytics, sampled July 2026) · Matchup data reviewed on patch 26.15
Step on his blobs — anti-heal, build tentacles, E him when his E is down.
Track: Zac's E — Elastic Slingshot (21–9s cooldown). His engage. Punish the cooldown.
Read from Illaoi's seat: which stage windows this plan plays for against Zac.
| Stage | Favoured | Why |
|---|---|---|
| Level 1 | Illaoi | Illaoi out-trades Zac at level 1 and denies his blob heals. |
| Level 2 | Illaoi | At 2 his cooldown-gated poke still loses to your stats. |
| Level 3 | Illaoi | W and E at 3 let you rip his spirit for a hard Illaoi tilt. |
| Levels 4-5 | Illaoi | Tentacle sustain crushes his blob poke through levels 4-5. |
| Level 6 | Illaoi | R's tentacle ring at 6 overwhelms his squishy engage body. |
| First item | Illaoi | First-item bruiser stats keep extended trades yours. |
| Two+ items | Zac | With 2+ tank items Zac's flank range and R displacement flip it to him. |
You out-brawl Zac at level 1-2: his damage comes from cooldown-gated Q/E blobs and you can walk on the blobs to deny his passive healing. Punish him whenever he steps up to last-hit and don't chase his Q pull into his jungler.
Pooled Emerald+ win rates from Illaoi's side, sampled July 2026.
The full Illaoi vs Zac 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.
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Illaoi, slightly — a 52.7% win rate edge over 630 games; execution can flip it.
Mostly — Illaoi has a small statistical edge (52.7% win rate), but execution decides this lane far more than the pick does.
Not a hard counter — Illaoi has a slight edge (52.7% win rate), and play quality decides the rest.
Illaoi takes Grasp of the Undying on the Resolve tree with Demolish, Second Wind and Overgrowth, and Precision secondary (Triumph and Legend: Haste) vs Zac.
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.
Playing the other side? Zac vs Illaoi guide →
All Illaoi top lane matchups →
More Illaoi top lane matchups: vs Yone · vs Yorick · vs Zaahen · vs Ziggs · vs Aatrox · vs Akali