MacroMind matchup data — real ranked games, not opinions
Orianna vs Diana
In Mid, Orianna wins 44% against Diana across 798 observed ranked games. This is an observed win rate shown with its sample size, not a prediction or a guaranteed counter.
By 15 minutes the median game has Orianna behind by 538 gold.
Does Orianna counter Diana?
No. This one runs the other way: Diana takes 56% of 798 ranked Mid games, and the gap clears the noise band.
How to beat Diana as Orianna
Turn the early game into gold: 300 up at 10:00 runs this matchup at 60% over 287 games; 300 behind drops it to 35% over 511.
The median first death in this lane comes at 4:01; the level 6 spike lands around 5:35. Respect the all-in window until your spike is online.