MacroMind matchup data — real ranked games, not opinions
Jayce vs Amumu
Jayce vs Amumu in Jungle: who wins more often?
Across 236 ranked games in Jungle, Jayce beats Amumu in 55% 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 1,266 gold.
Does Jayce counter Amumu?
No counter call here: Jayce lands at 55% over 236 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 Amumu
With a 300-gold lead at 10:00, Jayce wins 59% of 181 games in this matchup. Down 300 at the same mark, the rate drops to 42% over 55.
| The spot | Win rate | Games |
|---|---|---|
| 300 gold up at 10:00 | 59% | 181 |
| 300 gold down at 10:00 | 42% | 55 |
| First blood | 52% | 139 |
| +kills at 10:00 | 56% | 124 |
| +CS at 10:00 | 61% | 165 |
| 0 deaths at 10:00 | 54% | 59 |
In the median game here, the first death comes near 6:14 and level 6 lands around 6:49. Until your spike is online, treat the all-in window with respect.
Jayce in Jungle: the items that actually get built
Into Amumu specifically, Jayce finishes Youmuu's Ghostblade first most often: 59.4% over 96 games of this matchup.
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.