MacroMind matchup data — real ranked games, not opinions
Kai'Sa vs Irelia
How often does Kai'Sa beat Irelia in ADC?
Kai'Sa into Irelia in ADC: 55% observed win rate across 92 ranked games. Counted from real matches, and every number here shows its sample size.
By 15 minutes the median game has Kai'Sa behind by 443 gold.
Does Kai'Sa counter Irelia?
Too close for a counter call: Kai'Sa sits at 55% over 92 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 Irelia: the Kai'Sa game plan
| The spot | Win rate | Games |
|---|---|---|
| 300 gold down at 10:00 | 47% | 57 |
| First blood | 57% | 53 |
Someone usually dies here around 3:38 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 Irelia specifically, Kai'Sa finishes Kraken Slayer first most often: 57.1% over 42 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.