MacroMind matchup data — real ranked games, not opinions
Jayce vs Diana
What is Jayce's win rate vs Diana?
In Mid, Jayce wins 45% against Diana across 197 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 Jayce behind by 99 gold.
Does Jayce counter Diana?
The numbers call it close: 45% for Jayce over 197 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 Diana as Jayce
When Jayce is 300 gold up at 10:00, this matchup runs 57% over 93 games; 300 down, it drops to 34% over 104.
| The spot | Win rate | Games |
|---|---|---|
| 300 gold up at 10:00 | 57% | 93 |
| 300 gold down at 10:00 | 34% | 104 |
| First blood | 51% | 65 |
| +kills at 10:00 | 55% | 62 |
| +CS at 10:00 | 51% | 109 |
The median first death in this lane comes at 3:17; the level 6 spike lands around 5:37. Respect the all-in window until your spike is online.
What does Jayce build in Mid?
The most-finished Jayce core is Youmuu's Ghostblade, Manamune, Serylda's Grudge: 54.9% across 594 games when all three got done. All matchups, patches 16.1-16.12.
Most games start Doran's Blade + Health Potion; the first finished item is usually Youmuu's Ghostblade (2,878 games).
Skill plan: Jayce players max Q first and take Q at level 1.