Karthus vs Swain — Bot Lane (ADC) Matchup Guide

How to win lane as Karthus against Swain · 62.61% win rate over 222 Emerald+ games · Updated 2026-07-27

Verdict: Winnable despite the lane — Swain owns 5 of the 7 game windows to Karthus's 2, yet the win rate favours Karthus: survive their windows and the game is yours. Karthus wins 62.61% of games vs Swain in bot lane (adc) (222 Emerald+ games analysed).

Favour timeline — who owns each window

StageFavouredWhy
Level 1SwainSwain's early E root plus Q burst threatens a lethal all-in your fragile ADC body can't survive.
Level 2SwainAt level 2 his W zone and burst keep you pinned and farming on the back foot.
Level 3SwainLevel 3 his root-into-combo all-in still dominates the short lane.
Levels 4-5SwainLevels 4-5 his kit pressure keeps you zoned before your items arrive.
Level 6SwainLevel 6 Demonic Ascension's sustain out-heals your poke in any extended trade.
First itemKarthusWith your first item your Q+E DoT finally out-damages his healing and Requiem executes him.
Two+ itemsKarthusLate, your E and death passive shred his grouped drain comp from safe range.

Early game (levels 1–5)

Levels 1-3 belong to Swain: his E root sets up a Q burst combo that can delete you, and his W zones the wave so you farm on the back foot. Never step where his E can land, give up CS if you must, and keep your Flash for the root all-in.

Read the rest of this matchup

The full Karthus vs Swain 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? Swain vs Karthus guide →
All Karthus bot lane (adc) matchups →