

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.
Iron Champions Analysed: 6,778,607
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 bottom Counters
Sion top on Patch 15.16 is the strongest counter to bottom champions of Mel, Yasuo & Varus. While Sion top is countered most by bottom champions of Sivir, Nilah & Twitch. Below is a detailed breakdown of Sion top counters against bottom champions with a minimum of 100 games.


Sivir
Vierge martiale
Sion wins against Sivir 43.78% of the time which is 9.51% lower against Sivir than the average opponent.
After normalising both champions win rates Sion wins against Sivir 4.02% less often than would be expected.
The average opponent winrate against Sivir is 53.29%.


Nilah
Joie incarnée
Sion wins against Nilah 45.56% of the time which is 6.83% lower against Nilah than the average opponent.
After normalising both champions win rates Sion wins against Nilah 1.34% less often than would be expected.
The average opponent winrate against Nilah is 52.39%.


Twitch
Semeur de peste
Sion wins against Twitch 45.80% of the time which is 8.52% lower against Twitch than the average opponent.
After normalising both champions win rates Sion wins against Twitch 3.04% less often than would be expected.
The average opponent winrate against Twitch is 54.32%.


Aphelios
Arme des Lunaris
Sion wins against Aphelios 46.87% of the time which is 7.37% lower against Aphelios than the average opponent.
After normalising both champions win rates Sion wins against Aphelios 1.89% less often than would be expected.
The average opponent winrate against Aphelios is 54.24%.


Vayne
Chasseresse nocturne
Sion wins against Vayne 46.91% of the time which is 7.10% lower against Vayne than the average opponent.
After normalising both champions win rates Sion wins against Vayne 1.62% less often than would be expected.
The average opponent winrate against Vayne is 54.01%.


Ziggs
Expert des Hexplosifs
Sion wins against Ziggs 46.98% of the time which is 5.39% lower against Ziggs than the average opponent.
After normalising both champions win rates Sion wins against Ziggs 0.10% more often than would be expected.
The average opponent winrate against Ziggs is 52.37%.


Kog'Maw
Gueule des abysses
Sion wins against Kog'Maw 47.34% of the time which is 5.24% lower against Kog'Maw than the average opponent.
After normalising both champions win rates Sion wins against Kog'Maw 0.25% more often than would be expected.
The average opponent winrate against Kog'Maw is 52.58%.


Lucian
Purificateur
Sion wins against Lucian 47.38% of the time which is 8.83% lower against Lucian than the average opponent.
After normalising both champions win rates Sion wins against Lucian 3.35% less often than would be expected.
The average opponent winrate against Lucian is 56.21%.


Smolder
Dragonnet flamboyant
Sion wins against Smolder 47.59% of the time which is 5.45% lower against Smolder than the average opponent.
After normalising both champions win rates Sion wins against Smolder 0.04% more often than would be expected.
The average opponent winrate against Smolder is 53.04%.


Ashe
Archère de givre
Sion wins against Ashe 47.70% of the time which is 6.26% lower against Ashe than the average opponent.
After normalising both champions win rates Sion wins against Ashe 0.78% less often than would be expected.
The average opponent winrate against Ashe is 53.96%.


Miss Fortune
Chasseuse de primes
Sion wins against Miss Fortune 47.95% of the time which is 4.96% lower against Miss Fortune than the average opponent.
After normalising both champions win rates Sion wins against Miss Fortune 0.53% more often than would be expected.
The average opponent winrate against Miss Fortune is 52.91%.


Samira
Rose du désert
Sion wins against Samira 48.17% of the time which is 5.97% lower against Samira than the average opponent.
After normalising both champions win rates Sion wins against Samira 0.49% less often than would be expected.
The average opponent winrate against Samira is 54.14%.


Caitlyn
Shérif de Piltover
Sion wins against Caitlyn 48.37% of the time which is 6.13% lower against Caitlyn than the average opponent.
After normalising both champions win rates Sion wins against Caitlyn 0.65% less often than would be expected.
The average opponent winrate against Caitlyn is 54.50%.


Xayah
Rebelle
Sion wins against Xayah 48.78% of the time which is 6.31% lower against Xayah than the average opponent.
After normalising both champions win rates Sion wins against Xayah 0.83% less often than would be expected.
The average opponent winrate against Xayah is 55.09%.


Jinx
Gâchette folle
Sion wins against Jinx 48.97% of the time which is 5.03% lower against Jinx than the average opponent.
After normalising both champions win rates Sion wins against Jinx 0.45% more often than would be expected.
The average opponent winrate against Jinx is 54.00%.


Zeri
Étincelle de Zaun
Sion wins against Zeri 49.18% of the time which is 6.11% lower against Zeri than the average opponent.
After normalising both champions win rates Sion wins against Zeri 0.63% less often than would be expected.
The average opponent winrate against Zeri is 55.29%.


Kai'Sa
Fille du Néant
Sion wins against Kai'Sa 49.34% of the time which is 5.39% lower against Kai'Sa than the average opponent.
After normalising both champions win rates Sion wins against Kai'Sa 0.09% more often than would be expected.
The average opponent winrate against Kai'Sa is 54.73%.


Yunara
Foi inébranlable
Sion wins against Yunara 49.35% of the time which is 5.44% lower against Yunara than the average opponent.
After normalising both champions win rates Sion wins against Yunara 0.04% more often than would be expected.
The average opponent winrate against Yunara is 54.79%.


Corki
Artilleur téméraire
Sion wins against Corki 49.58% of the time which is 8.25% lower against Corki than the average opponent.
After normalising both champions win rates Sion wins against Corki 2.78% less often than would be expected.
The average opponent winrate against Corki is 57.83%.


Jhin
Virtuose
Sion wins against Jhin 49.97% of the time which is 3.61% lower against Jhin than the average opponent.
After normalising both champions win rates Sion wins against Jhin 1.88% more often than would be expected.
The average opponent winrate against Jhin is 53.58%.


Senna
Rédemptrice
Sion wins against Senna 50.00% of the time which is 5.60% lower against Senna than the average opponent.
After normalising both champions win rates Sion wins against Senna 0.12% less often than would be expected.
The average opponent winrate against Senna is 55.60%.


Tristana
Canonnière yordle
Sion wins against Tristana 50.17% of the time which is 5.36% lower against Tristana than the average opponent.
After normalising both champions win rates Sion wins against Tristana 0.12% more often than would be expected.
The average opponent winrate against Tristana is 55.53%.


Kalista
Lance de la vengeance
Sion wins against Kalista 50.96% of the time which is 8.16% lower against Kalista than the average opponent.
After normalising both champions win rates Sion wins against Kalista 2.70% less often than would be expected.
The average opponent winrate against Kalista is 59.12%.


Draven
Glorieux exécuteur
Sion wins against Draven 51.85% of the time which is 4.37% lower against Draven than the average opponent.
After normalising both champions win rates Sion wins against Draven 1.11% more often than would be expected.
The average opponent winrate against Draven is 56.22%.


Ezreal
Explorateur prodigue
Sion wins against Ezreal 53.10% of the time which is 3.29% lower against Ezreal than the average opponent.
After normalising both champions win rates Sion wins against Ezreal 2.18% more often than would be expected.
The average opponent winrate against Ezreal is 56.39%.


Varus
Flèche de la vengeance
Sion wins against Varus 53.50% of the time which is 2.93% lower against Varus than the average opponent.
After normalising both champions win rates Sion wins against Varus 2.54% more often than would be expected.
The average opponent winrate against Varus is 56.43%.


Yasuo
Disgracié
Sion wins against Yasuo 56.07% of the time which is 2.43% higher against Yasuo than the average opponent.
After normalising both champions win rates Sion wins against Yasuo 7.92% more often than would be expected.
The average opponent winrate against Yasuo is 53.64%.


Mel
Reflet de l'âme
Sion wins against Mel 57.41% of the time which is 1.95% higher against Mel than the average opponent.
After normalising both champions win rates Sion wins against Mel 7.43% more often than would be expected.
The average opponent winrate against Mel is 55.46%.