

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.
Unranked Champions Analysed: 843,278
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 top vs support Counters
Presently there is insufficent games played by Sion top on Patch 15.13 to determine the strongest support counters. A matchup requires a minimum of 100 games to be displayed.


Nami
the Tidecaller
Sion wins against Nami 40.17% of the time which is 6.98% lower against Nami than the average opponent.
After normalising both champions win rates Sion wins against Nami 7.22% less often than would be expected.
The average opponent winrate against Nami is 47.15%.


Lux
the Lady of Luminosity
Sion wins against Lux 45.39% of the time which is 8.57% lower against Lux than the average opponent.
After normalising both champions win rates Sion wins against Lux 8.81% less often than would be expected.
The average opponent winrate against Lux is 53.96%.


Thresh
the Chain Warden
Sion wins against Thresh 47.86% of the time which is 2.70% lower against Thresh than the average opponent.
After normalising both champions win rates Sion wins against Thresh 2.94% less often than would be expected.
The average opponent winrate against Thresh is 50.56%.


Morgana
the Fallen
Sion wins against Morgana 52.48% of the time which is 1.58% higher against Morgana than the average opponent.
After normalising both champions win rates Sion wins against Morgana 1.34% more often than would be expected.
The average opponent winrate against Morgana is 50.90%.


Nautilus
the Titan of the Depths
Sion wins against Nautilus 53.70% of the time which is 1.67% higher against Nautilus than the average opponent.
After normalising both champions win rates Sion wins against Nautilus 1.43% more often than would be expected.
The average opponent winrate against Nautilus is 52.03%.