MacroMind matchup data: real ranked games, not opinions
Karthus vs Sylas
How often does Karthus beat Sylas in Jungle?
Karthus into Sylas in Jungle: 52% observed win rate across 786 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 ahead by 470 gold.
Karthus at 15:00
- Gold: +470
- CS: +23
- XP: +899
Typical gap to Sylas, from 781 games that reached 15:00.
Does Karthus counter Sylas?
No counter here: Karthus sits at 52% over 786 games. The swing lives in the spots below, so play the side you know better and chase the row that moves the number the most in this lane, then hold that lead through the first back.
Beating Sylas: the Karthus game plan
A gold lead at 10:00 puts Karthus at 61% across 489 games. Flip the lead and Karthus falls to 36% across 297.
| The spot | Win rate | Games |
|---|---|---|
| Ahead in gold at 10:00 | 61% | 489 |
| Behind in gold at 10:00 | 36% | 297 |
| First blood | 58% | 369 |
| +kills at 10:00 | 62% | 297 |
| +CS at 10:00 | 56% | 641 |
| 0 deaths at 10:00 | 61% | 140 |
| 0 deaths at 15:00 | 75% | 57 |
Someone usually dies here around 4:37 in the median game, and level 6 lands near 6:42. Until your spike is online, respect the all-in.
Karthus's Jungle build, with receipts
Into Sylas specifically, Karthus finishes Blackfire Torch first most often: 47.1% over 259 games of this matchup.
The most-finished core in this exact matchup is Blackfire Torch, Shadowflame, Rabadon's Deathcap: 47.3% across 55 games.
The most-finished Karthus core is Blackfire Torch, Shadowflame, Rabadon's Deathcap: 53.6% across 1,882 games when all three got done. All matchups, patches 26.1-26.12.
Most games start Scorchclaw Pup + Health Potion; the first finished item is usually Blackfire Torch (8,818 games).
Skill plan: Karthus players max Q first and take Q at level 1.