Cassiopeia vs Aurelion Sol — Mid Lane Matchup Guide

How to win lane as Cassiopeia against Aurelion Sol · 54.46% win rate over 213 Emerald+ games · Updated 2026-07-27

Verdict: Cassiopeia is favoured — Cassiopeia owns 7 of the 7 game windows. Cassiopeia wins 54.46% of games vs Aurelion Sol in mid lane (213 Emerald+ games analysed).

Favour timeline — who owns each window

StageFavouredWhy
Level 1CassiopeiaCassiopeia's instant poke freely punishes Aurelion Sol's slow wind-up kit from level 1
Level 2CassiopeiaCassiopeia's damage lead compounds as Aurelion Sol has no fast trading tool to respond
Level 3CassiopeiaSame trend continues — Cassiopeia's combo scaling outpaces his ramping poke
Levels 4-5CassiopeiaCassiopeia's DPS threshold and pre-applied Twin Fang neutralize his level 6 combo threat
Level 6CassiopeiaCassiopeia's stacked damage output punishes any Aurelion Sol all-in attempt at 6
First itemCassiopeiaCassiopeia's completed item widens the DPS gap even further in skirmishes
Two+ itemsCassiopeiaCassiopeia's sustained ranged damage clearly outscales Aurelion Sol's cast-heavy kit late

Early game (levels 1–5)

Cassiopeia wins this lane clearly from level 1 — Aurelion Sol's kit is entirely built around slow setup and long cast times, meaning your immediate Noxious Blast poke punishes him every time he tries to charge a star or wind up Starsurge. He has almost no early trading power against your instant-cast poke.

Read the rest of this matchup

The full Cassiopeia vs Aurelion Sol 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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Related guides

Playing the other side? Aurelion Sol vs Cassiopeia guide →
All Cassiopeia mid lane matchups →