How to win lane as Heimerdinger against Karthus · 55.81% win rate over 43 Emerald+ games · Updated 2026-07-27
| Stage | Favoured | Why |
|---|---|---|
| Level 1 | Heimerdinger | You-favoured L1: your turret out-pokes the immobile Karthus's Lay Waste. |
| Level 2 | Heimerdinger | You-favoured L2: compounding grenade poke denies his safe farm. |
| Level 3 | Heimerdinger | You-favoured L3: the E-Q combo out-trades his ground-targeted Q. |
| Levels 4-5 | Heimerdinger | You-favoured L4-5: turret siege starves his CS before his ult comes online. |
| Level 6 | Karthus | Karthus-favoured L6: global Requiem executes you regardless of your turret cover. |
| First item | Heimerdinger | You-favoured first item: turret siege out-DPSes his poke once you respect the execute threshold. |
| Two+ items | Heimerdinger | You-favoured 2+ items: your turret nest zones his aura and out-sieges his immobility on objectives. |
Heimerdinger wins levels 1-2: Karthus is an immobile mage with only ground-targeted Lay Waste, so your turret and grenade out-poke him and deny the safe farm he wants.
The full Heimerdinger vs Karthus 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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Playing the other side? Karthus vs Heimerdinger guide →
All Heimerdinger bot lane (adc) matchups →