

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.
Diamond Champions Analysed: 4,424,012
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.


Sion Counters
Sion middle vs middle Counters
Presently there is insufficent games played by Sion middle on Patch 15.8 to determine the strongest middle counters. A matchup requires a minimum of 100 games to be displayed.


Zed
the Master of Shadows
Sion wins against Zed 50.31% of the time which is 3.00% higher against Zed than the average opponent.
After normalising both champions win rates Sion wins against Zed 2.57% less often than would be expected.
The average opponent winrate against Zed is 47.31%.


Sylas
the Unshackled
Sion wins against Sylas 51.13% of the time which is 2.87% higher against Sylas than the average opponent.
After normalising both champions win rates Sion wins against Sylas 2.70% less often than would be expected.
The average opponent winrate against Sylas is 48.26%.


Viktor
the Herald of the Arcane
Sion wins against Viktor 55.56% of the time which is 6.77% higher against Viktor than the average opponent.
After normalising both champions win rates Sion wins against Viktor 1.20% more often than would be expected.
The average opponent winrate against Viktor is 48.79%.


Ahri
the Nine-Tailed Fox
Sion wins against Ahri 58.67% of the time which is 10.90% higher against Ahri than the average opponent.
After normalising both champions win rates Sion wins against Ahri 5.33% more often than would be expected.
The average opponent winrate against Ahri is 47.77%.