MacroMind matchup data — real ranked games, not opinions
Jayce vs Katarina
Jayce vs Katarina in Mid: who wins more often?
Across 488 ranked games in Mid, Jayce beats Katarina in 50% of them. Observed from real matches — the sample size sits next to the rate, here and on every number below.
By 15 minutes the median game has Jayce ahead by 588 gold.
Does Jayce counter Katarina?
No counter call here: Jayce lands at 50% over 488 games, inside the noise band for a sample this size. Neither pick wins the lane on its own — the swing lives in the spots below, so take the side you play better and use the receipts.
Your Jayce game plan against Katarina
With a 300-gold lead at 10:00, Jayce wins 62% of 312 games in this matchup. Down 300 at the same mark, the rate drops to 31% over 176.
| The spot | Win rate | Games |
|---|---|---|
| 300 gold up at 10:00 | 62% | 312 |
| 300 gold down at 10:00 | 31% | 176 |
| First blood | 58% | 226 |
| +kills at 10:00 | 68% | 176 |
| +CS at 10:00 | 55% | 418 |
| 0 deaths at 10:00 | 71% | 82 |
In the median game here, the first death comes near 4:05 and level 6 lands around 5:29. Until your spike is online, treat the all-in window with respect.
Jayce in Mid: the items that actually get built
Into Katarina specifically, Jayce finishes Youmuu's Ghostblade first most often: 52.5% over 118 games of this matchup.
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.