How to win lane as Smolder against Karthus · 53.49% win rate over 802 Emerald+ games · Updated 2026-07-27
| Stage | Favoured | Why |
|---|---|---|
| Level 1 | Karthus | Level 1 favours Karthus because Lay Waste out-ranges your last-hitting from the start. |
| Level 2 | Karthus | Level 2 stays Karthus's as his Q poke denies stacks while you lack burst. |
| Level 3 | Karthus | Level 3 favours Karthus since E Defile and continued Q zoning control the wave. |
| Levels 4-5 | Karthus | Levels 4-5 remain Karthus's on the strength of his relentless ranged poke. |
| Level 6 | Karthus | Level 5-6 favours Karthus as Requiem threatens a global execute after any poke war. |
| First item | Smolder | At level 6 his Requiem plus poke keep you executable from across the map... until your item spike arrives. |
| Two+ items | Smolder | By 2+ items your uncapped flame Q and W execute out-range his poke and delete his immobile body. |
Levels 1-2 favour Karthus: his Q Lay Waste out-ranges your comfortable last-hitting and pokes you off the wave while you have no burst and are grinding Dragon Practice. Farm at max range, side-step his Q between casts, and stay out of E Defile.
The full Smolder 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 Smolder guide →
All Smolder bot lane (adc) matchups →