MacroMind matchup data — real ranked games, not opinions
Cassiopeia vs Jayce
What is Cassiopeia's win rate vs Jayce?
In Top, Cassiopeia wins 48% against Jayce across 202 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 198 gold.
Does Cassiopeia counter Jayce?
The numbers call it close: 48% for Cassiopeia over 202 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 Jayce as Cassiopeia
When Cassiopeia is 300 gold up at 10:00, this matchup runs 52% over 96 games; 300 down, it drops to 44% over 106.
| The spot | Win rate | Games |
|---|---|---|
| 300 gold up at 10:00 | 52% | 96 |
| 300 gold down at 10:00 | 44% | 106 |
| First blood | 53% | 85 |
| +kills at 10:00 | 57% | 84 |
| +CS at 10:00 | 47% | 110 |
The median first death in this lane comes at 4:17; the level 6 spike lands around 5:44. Respect the all-in window until your spike is online.
What does Cassiopeia build in Top?
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.