MacroMind matchup data — real ranked games, not opinions
Karthus vs Lee Sin
How often does Karthus beat Lee Sin in Jungle?
Karthus into Lee Sin in Jungle: 51% observed win rate across 1,333 ranked games. Counted from real matches, and every number here shows its sample size.
By 15 minutes the median game has Karthus ahead by 209 gold.
Does Karthus counter Lee Sin?
Too close for a counter call: Karthus sits at 51% over 1,333 games, inside the noise band. On this sample neither pick counters the other — the swing lives in the conditions below, so play the side you know better.
Beating Lee Sin: the Karthus game plan
A 300-gold lead at 10:00 puts Karthus at 63% across 697 games. Flip the lead and Karthus falls to 38% across 636.
| The spot | Win rate | Games |
|---|---|---|
| 300 gold up at 10:00 | 63% | 697 |
| 300 gold down at 10:00 | 38% | 636 |
| First blood | 60% | 570 |
| +kills at 10:00 | 67% | 393 |
| +CS at 10:00 | 54% | 1,028 |
| 0 deaths at 10:00 | 63% | 232 |
| 0 deaths at 15:00 | 73% | 66 |
Someone usually dies here around 4:29 in the median game, and level 6 lands near 6:46. Until your spike is online, respect the all-in.
Karthus's Jungle build, with receipts
Into Lee Sin specifically, Karthus finishes Blackfire Torch first most often: 51.2% over 451 games of this matchup.
The most-finished core in this exact matchup is Blackfire Torch, Shadowflame, Zhonya's Hourglass: 50.5% across 101 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 16.1-16.12.
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.