How to win lane as Cassiopeia against Swain · 52.47% win rate over 465 Emerald+ games · Updated 2026-07-27
| Stage | Favoured | Why |
|---|---|---|
| Level 1 | Cassiopeia | Your poke range and poison DoT start winning trades once his root-E is on cooldown |
| Level 2 | Even / skill | His root-E into Q pull is a genuine even skill-check window for short trades pre-6 |
| Level 3 | Cassiopeia | Past his root cooldown your damage output clearly outpaces his kit |
| Levels 4-5 | Cassiopeia | Same trend continues as your stacking poison outvalues his sustain |
| Level 6 | Cassiopeia | Even his Ult sustain can't offset how hard you out-damage him at range |
| First item | Cassiopeia | Your completed items let your burst-DoT rotation kill him before his healing catches up |
| Two+ items | Cassiopeia | Full-build Cassiopeia denies his Ult zone entirely and wins every extended fight |
Level 1-2 is close to even since his root-E threatens short trades, but by level 3 your poison stacking and range advantage start winning skirmishes outright, so play a touch cautious only before his root is up.
The full Cassiopeia 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 Cassiopeia guide →
All Cassiopeia mid lane matchups →
Also played in: Top Lane