MacroMind matchup data: real ranked games, not opinions
Karthus vs Jayce
How often does Karthus beat Jayce in Top?
Karthus into Jayce in Top: 66% observed win rate across 29 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 Karthus behind by 102 gold.
Karthus at 15:00
- Gold: -102
- CS: -6
- XP: -536
Typical gap to Jayce, from 29 games that reached 15:00.
Beating Jayce: the Karthus game plan
Someone usually dies here around 3:46 in the median game, and level 6 lands near 5:35. Until your spike is online, respect the all-in.