

This will vary because unlike other stat sites we include 100% of a brackets champions played and never include champions that don't belong in the bracket.
Platinum+ Champions Analysed: 30,125,514
We include 100% of the champions played of every selected tier bracket in our analysis, we never include champions from outside the tier quoted tier.


Orianna Counters
Orianna support vs support Counters
Orianna support on Patch 15.16 is the strongest counter to support champions of Milio, Nami & Karma. While Orianna support is countered most by support champions of Nautilus, Lulu & Thresh. Below is a detailed breakdown of Orianna support counters against support champions with a minimum of 100 games.


Nautilus
the Titan of the Depths
Orianna wins against Nautilus 37.60% of the time which is 11.84% lower against Nautilus than the average opponent.
After normalising both champions win rates Orianna wins against Nautilus 11.52% less often than would be expected.
The average opponent winrate against Nautilus is 49.44%.


Lulu
the Fae Sorceress
Orianna wins against Lulu 44.81% of the time which is 4.12% lower against Lulu than the average opponent.
After normalising both champions win rates Orianna wins against Lulu 3.80% less often than would be expected.
The average opponent winrate against Lulu is 48.93%.


Thresh
the Chain Warden
Orianna wins against Thresh 46.15% of the time which is 2.00% lower against Thresh than the average opponent.
After normalising both champions win rates Orianna wins against Thresh 1.68% less often than would be expected.
The average opponent winrate against Thresh is 48.15%.


Karma
the Enlightened One
Orianna wins against Karma 48.23% of the time which is 0.45% lower against Karma than the average opponent.
After normalising both champions win rates Orianna wins against Karma 0.13% less often than would be expected.
The average opponent winrate against Karma is 48.68%.


Nami
the Tidecaller
Orianna wins against Nami 50.54% of the time which is 3.58% higher against Nami than the average opponent.
After normalising both champions win rates Orianna wins against Nami 3.89% more often than would be expected.
The average opponent winrate against Nami is 46.96%.


Milio
The Gentle Flame
Orianna wins against Milio 51.43% of the time which is 5.15% higher against Milio than the average opponent.
After normalising both champions win rates Orianna wins against Milio 5.46% more often than would be expected.
The average opponent winrate against Milio is 46.28%.