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Cassiopeia vs Diana

Cassiopeia
You
VS
Diana

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Who Wins

  • Pre-6 you win this lane due to superior range and sustained poke — your Q into E spam forces Diana to lose HP just to CS, and she has no reliable gap-close until level 6, making her largely unable to trade back effectively.
  • Post-6 the matchup becomes genuinely dangerous because Diana's R gives her instant gap-close and she can chain R resets with W shielding, meaning if she lands Q and reaches you, she likely wins the all-in unless you have significant HP and positioning advantage.
Confused by a term? Check the Glossary

How to Trade

  • Your optimal trade pattern is to land Q to poison Diana, then spam E repeatedly while she is poisoned and kiting backward — you should never stand still and trade symmetrically since your DPS scales with movement and E resets.
  • Avoid extended fights at close range; if Diana closes the gap, use your E slow and W to disengage rather than trying to out-damage her in melee range.

Wave Control

  • Push the wave consistently with Q and E to deny Diana free CS and force her to take poke while last-hitting — a shoved wave also means Diana cannot safely all-in you without risking being caught in the open near your tower.
  • Avoid letting the wave bounce back to her side, as a slow-pushing wave toward you gives Diana ideal conditions to engage with R when you are forced to walk up.

Mistakes to Avoid

  • Do not stand in a predictable straight line or cluster near minions where Diana can land Q and immediately close with R — her entire kill pattern relies on landing that initial Q to enable the R dash.
  • Burning your Flash or W reactively to a Diana R without having secured meaningful HP leads or kill pressure is a critical mistake that leaves you vulnerable to her second R reset follow-up.
Created on 07/01/2026
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