How to win lane as Cassiopeia against Syndra · 45.6% win rate over 1,568 Emerald+ games · Updated 2026-07-27
| Stage | Favoured | Why |
|---|---|---|
| Level 1 | Cassiopeia | Her stun-combo requires setup that you can poke through, so you win trades from level 1 |
| Level 2 | Cassiopeia | Sphere-stacking near you is a real threat but manageable with denial, keeping you ahead |
| Level 3 | Cassiopeia | Continued advantage as your poison DoT punishes her positioning more than her combo punishes yours |
| Levels 4-5 | Cassiopeia | Same trend — you remain clearly favored through the mid-game skirmish window |
| Level 6 | Cassiopeia | Her Ult threat doesn't offset how much your sustained poke already wears her down |
| First item | Cassiopeia | Your completed DoT item clearly outpaces her burst-reliant combo kit |
| Two+ items | Cassiopeia | Full-build Cassiopeia kites and shuts down her stun setup entirely with R |
You're ahead in this matchup from the start — Syndra's stun-combo is scary in theory but her spheres are slow to gather and telegraphed, so as long as you don't stand still near stacked spheres, your poke and sustained damage win trades.
The full Cassiopeia vs Syndra 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? Syndra vs Cassiopeia guide →
All Cassiopeia mid lane matchups →