MacroMind matchup data — real ranked games, not opinions
Jayce vs Jarvan IV
Jayce vs Jarvan IV in Jungle: who wins more often?
Across 1,352 ranked games in Jungle, Jayce beats Jarvan IV 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 723 gold.
Does Jayce counter Jarvan IV?
No counter call here: Jayce lands at 50% over 1,352 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 Jarvan IV
With a 300-gold lead at 10:00, Jayce wins 55% of 914 games in this matchup. Down 300 at the same mark, the rate drops to 39% over 438.
| The spot | Win rate | Games |
|---|---|---|
| 300 gold up at 10:00 | 55% | 914 |
| 300 gold down at 10:00 | 39% | 438 |
| First blood | 57% | 781 |
| +kills at 10:00 | 58% | 553 |
| +CS at 10:00 | 55% | 873 |
| 0 deaths at 10:00 | 61% | 287 |
| 0 deaths at 15:00 | 76% | 106 |
In the median game here, the first death comes near 5:50 and level 6 lands around 6:55. Until your spike is online, treat the all-in window with respect.
Jayce in Jungle: the items that actually get built
Into Jarvan IV specifically, Jayce finishes Youmuu's Ghostblade first most often: 48.8% over 516 games of this matchup.
The most-finished core in this exact matchup is Youmuu's Ghostblade, Opportunity, Serylda's Grudge: 50.9% across 116 games.
The most-finished Jayce core is Youmuu's Ghostblade, Opportunity, Edge of Night: 52.3% across 3,541 games when all three got done. All matchups, patches 16.1-16.12.
Most games start Scorchclaw Pup + Health Potion; the first finished item is usually Youmuu's Ghostblade (14,088 games).
Skill plan: Jayce players max Q first and take Q at level 1.