MacroMind matchup data — real ranked games, not opinions
Kai'Sa vs Cassiopeia
How often does Kai'Sa beat Cassiopeia in ADC?
Kai'Sa into Cassiopeia in ADC: 45% observed win rate across 247 ranked games. Counted from real matches, and every number here shows its sample size.
By 15 minutes the median game has Kai'Sa ahead by 79 gold.
Does Kai'Sa counter Cassiopeia?
Too close for a counter call: Kai'Sa sits at 45% over 247 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 Cassiopeia: the Kai'Sa game plan
A 300-gold lead at 10:00 puts Kai'Sa at 52% across 117 games. Flip the lead and Kai'Sa falls to 39% across 130.
| The spot | Win rate | Games |
|---|---|---|
| 300 gold up at 10:00 | 52% | 117 |
| 300 gold down at 10:00 | 39% | 130 |
| First blood | 49% | 137 |
| +kills at 10:00 | 53% | 93 |
| +CS at 10:00 | 49% | 99 |
Someone usually dies here around 4:25 in the median game, and level 6 lands near 7:38. Until your spike is online, respect the all-in.
Kai'Sa's ADC build, with receipts
Into Cassiopeia specifically, Kai'Sa finishes Kraken Slayer first most often: 43.1% over 72 games of this matchup.
The most-finished Kai'Sa core is Kraken Slayer, Guinsoo's Rageblade, Dusk and Dawn: 53.5% across 26,866 games when all three got done. All matchups, patches 16.1-16.12.
Most games start Doran's Blade + Health Potion; the first finished item is usually Kraken Slayer (83,293 games).
Skill plan: Kai'Sa players max Q first and take Q at level 1.