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.
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 Kai'Sa behind by 443 gold.
Kai'Sa at 15:00
- Gold: -443
- CS: -7
- XP: -121
Typical gap to Irelia, from 92 games that reached 15:00.
Does Kai'Sa counter Irelia?
No counter here: Kai'Sa sits at 55% over 92 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 Irelia: the Kai'Sa game plan
| The spot | Win rate | Games |
|---|---|---|
| Behind in gold 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 26.1-26.12.
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.