MacroMind matchup data: real ranked games, not opinions
Kassadin vs Jayce
What is Kassadin's win rate vs Jayce?
In Mid, Kassadin wins 48% against Jayce across 303 observed ranked games.
Global ranked sample: games from every region and every rank pooled together, not one server's stats. Data runs through patch 26.12; curves updated 2026-08-07.
By 15 minutes the median game has Kassadin behind by 1,351 gold.
Kassadin at 15:00
- Gold: -1,351
- CS: -26
- XP: -589
Typical gap to Jayce, from 300 games that reached 15:00.
Does Kassadin counter Jayce?
Too close to call. Kassadin sits at 48% over 303 games, so neither pick counters the other here. The lane goes to whoever wins the spots below, like the gold lead at 10:00 or staying alive until 15:00, so play for those and let the pick argument go.
How to beat Jayce as Kassadin
When Kassadin is ahead in gold at 10:00, this matchup runs 71% over 59 games; behind, it drops to 42% over 244.
| The spot | Win rate | Games |
|---|---|---|
| Ahead in gold at 10:00 | 71% | 59 |
| Behind in gold at 10:00 | 42% | 244 |
| First blood | 57% | 138 |
| +kills at 10:00 | 62% | 71 |
| 0 deaths at 10:00 | 62% | 82 |
The median first death in this lane comes at 5:50; the level 6 spike lands around 5:38. Respect the all-in window until your spike is online.
What does Kassadin build in Mid?
Into Jayce specifically, Kassadin finishes Rod of Ages first most often: 42.6% over 122 games of this matchup.
The most-finished Kassadin core is Rod of Ages, Archangel's Staff, Malignance: 59.7% across 4,009 games when all three got done. All matchups, patches 26.1-26.12.
Most games start Doran's Shield + Health Potion; the first finished item is usually Rod of Ages (15,366 games).
Skill plan: Kassadin players max E first and take Q at level 1.