MacroMind matchup data — real ranked games, not opinions
Cassiopeia vs Irelia
What is Cassiopeia's win rate vs Irelia?
In Top, Cassiopeia wins 50% against Irelia across 185 observed ranked games. This is an observed win rate shown with its sample size, not a prediction or a guaranteed counter.
By 15 minutes the median game has Cassiopeia behind by 894 gold.
Does Cassiopeia counter Irelia?
The numbers call it close: 50% for Cassiopeia over 185 games, inside the noise band. Neither side counters the other on this sample — the lane swings on the spots below, so pick the side you play better and take the receipts with you.
How to beat Irelia as Cassiopeia
When Cassiopeia is 300 gold up at 10:00, this matchup runs 65% over 81 games; 300 down, it drops to 38% over 104.
| The spot | Win rate | Games |
|---|---|---|
| 300 gold up at 10:00 | 65% | 81 |
| 300 gold down at 10:00 | 38% | 104 |
| First blood | 60% | 90 |
| +kills at 10:00 | 62% | 82 |
| +CS at 10:00 | 66% | 70 |
The median first death in this lane comes at 3:56; the level 6 spike lands around 5:44. Respect the all-in window until your spike is online.
What does Cassiopeia build in Top?
Into Irelia specifically, Cassiopeia finishes Rod of Ages first most often: 44.4% over 45 games of this matchup.
The most-finished Cassiopeia core is Rod of Ages, Archangel's Staff, Rylai's Crystal Scepter: 57.0% across 892 games when all three got done. All matchups, patches 16.1-16.12.
Most games start Doran's Ring + Health Potion + Health Potion; the first finished item is usually Rod of Ages (1,920 games).
Skill plan: Cassiopeia players max E first and take E at level 1.