MacroMind matchup data — real ranked games, not opinions
Irelia vs Cassiopeia
How often does Irelia beat Cassiopeia in Top?
Irelia into Cassiopeia in Top: 50% observed win rate across 185 ranked games. Counted from real matches, and every number here shows its sample size.
By 15 minutes the median game has Irelia ahead by 894 gold.
Does Irelia counter Cassiopeia?
Too close for a counter call: Irelia sits at 50% over 185 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 Irelia game plan
A 300-gold lead at 10:00 puts Irelia at 62% across 104 games. Flip the lead and Irelia falls to 35% across 81.
| The spot | Win rate | Games |
|---|---|---|
| 300 gold up at 10:00 | 62% | 104 |
| 300 gold down at 10:00 | 35% | 81 |
| First blood | 59% | 73 |
| +kills at 10:00 | 60% | 80 |
| +CS at 10:00 | 60% | 111 |
Someone usually dies here around 3:15 in the median game, and level 6 lands near 5:42. Until your spike is online, respect the all-in.
Irelia's Top build, with receipts
Into Cassiopeia specifically, Irelia finishes Blade of The Ruined King first most often: 55.8% over 86 games of this matchup.
The most-finished Irelia core is Blade of The Ruined King, Hullbreaker, Wit's End: 58.0% across 5,176 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 Blade of The Ruined King (29,930 games).
Skill plan: Irelia players max Q first and take Q at level 1.