How to win lane as Aurelion Sol against Cassiopeia · 50.93% win rate over 214 Emerald+ games · Updated 2026-07-27
| Stage | Favoured | Why |
|---|---|---|
| Level 1 | Cassiopeia | Cassiopeia's Noxious Blast and Miasma poke outclass your early trading before Q ramps up |
| Level 2 | Cassiopeia | Poison stacking and zone denial continue to punish any proximity you attempt |
| Level 3 | Cassiopeia | Miasma-set-up trades keep compounding as her damage output outpaces your survivability |
| Levels 4-5 | Cassiopeia | Same poke-and-zone dynamic persists through the wave-clear stretch of the lane |
| Level 6 | Cassiopeia | Petrify into Twin Fang is a real kill-threat combo you can't out-damage or out-position yet |
| First item | Cassiopeia | You're still one item behind the breakpoint needed to out-trade her burst combo |
| Two+ items | Aurelion Sol | Full-item Aurelion Sol's range and burst finally out-scale her poison-execute kit in fights |
Cassiopeia's poison poke and Miasma zone control win every extended trade before you have the levels to fight back, and her Twin Fang execute scales brutally off any stacks you eat. Stay mobile with E, don't linger in poisoned ground, and treat every CS attempt near her as a poke opportunity for her, not you.
The full Aurelion Sol vs Cassiopeia 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? Cassiopeia vs Aurelion Sol guide →
All Aurelion Sol mid lane matchups →