Heimerdinger vs Illaoi TOP Matchup Guide | LaneStomp

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Heimerdinger vs Illaoi

Updated Jun 3, 2026

Overview

Use turret zones to control the wave and force Illaoi to farm under pressure, denying her safe tentacle setups.
Pressure Illaoi early to prevent her from establishing tentacle control and avoid giving her a passive lane to scale her zone dominance.
This is a control vs splitpush matchup where Heimerdinger must maintain lane zone control and deny Illaoi's all-in windows.

Trading pattern

Let turrets define the fight and punish Illaoi when she walks into turret range with (E) stun followed by (W) and turret damage.
Avoid fighting when turrets are cleared or (E) is down, as Illaoi's melee damage and (E) threat become harder to punish.
Use upgraded (R) abilities to adapt trades: choose burst or control upgrades to deny Illaoi's all-ins or objective setups.

Danger windows

When Illaoi lands (E) near tentacles, she can force committed fights; avoid walking into her zone without (E) ready.
Illaoi's all-ins after Level 6 with (R) and tentacles active are lethal; keep turrets up to create anti-dive zones.
Overpushing without vision increases gank risk; maintain controlled wave states to reduce vulnerability.

Early game

Start by placing turrets before Illaoi can set up tentacles to assert lane control from level 1.
Hold (E) to punish Illaoi's attempts to approach or land her spirit pull, using the stun to disrupt her trades.
Avoid pushing without vision to reduce vulnerability to Illaoi's all-ins or jungle ganks.

Power spikes

Level 3: Full turret, (W), and (E) combo enable strong anti-engage trades; hold (E) for Illaoi's commit.
Level 6: Upgraded (R) grants versatile burst or zone control; choose upgrade based on fight needs and force Illaoi to respect turret zones.
Illaoi's Level 6 (R) creates dangerous all-in windows; respect these by maintaining distance and turret coverage.

Win conditions

Maintain turret zones that force Illaoi to farm under pressure and punish her melee approaches with (E) stun and turret damage.
Deny Illaoi's tentacle setups by clearing her zone and controlling wave position to prevent her from establishing pressure.
Use upgraded (R) strategically for burst or control to win trades, deny dives, and secure objectives in mid-game.