

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: 12,762,541
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 15.4 is the strongest counter to bottom champions of Kalista, Varus & Kog'Maw. While Sion top is countered most by bottom champions of Nilah, Lux & Corki. Below is a detailed breakdown of Sion top counters against bottom champions with a minimum of 100 games.


Nilah
the Joy Unbound
Sion wins against Nilah 43.02% of the time which is 9.04% lower against Nilah than the average opponent.
After normalising both champions win rates Sion wins against Nilah 4.55% less often than would be expected.
The average opponent winrate against Nilah is 52.06%.


Corki
the Daring Bombardier
Sion wins against Corki 43.75% of the time which is 12.49% lower against Corki than the average opponent.
After normalising both champions win rates Sion wins against Corki 8.01% less often than would be expected.
The average opponent winrate against Corki is 56.24%.


Lux
the Lady of Luminosity
Sion wins against Lux 43.75% of the time which is 10.58% lower against Lux than the average opponent.
After normalising both champions win rates Sion wins against Lux 6.10% less often than would be expected.
The average opponent winrate against Lux is 54.33%.


Vayne
the Night Hunter
Sion wins against Vayne 44.05% of the time which is 8.82% lower against Vayne than the average opponent.
After normalising both champions win rates Sion wins against Vayne 4.33% less often than would be expected.
The average opponent winrate against Vayne is 52.87%.


Ziggs
the Hexplosives Expert
Sion wins against Ziggs 44.38% of the time which is 7.25% lower against Ziggs than the average opponent.
After normalising both champions win rates Sion wins against Ziggs 2.76% less often than would be expected.
The average opponent winrate against Ziggs is 51.63%.


Veigar
the Tiny Master of Evil
Sion wins against Veigar 44.44% of the time which is 6.35% lower against Veigar than the average opponent.
After normalising both champions win rates Sion wins against Veigar 1.86% less often than would be expected.
The average opponent winrate against Veigar is 50.79%.


Yasuo
the Unforgiven
Sion wins against Yasuo 45.75% of the time which is 6.31% lower against Yasuo than the average opponent.
After normalising both champions win rates Sion wins against Yasuo 1.82% less often than would be expected.
The average opponent winrate against Yasuo is 52.06%.


Miss Fortune
the Bounty Hunter
Sion wins against Miss Fortune 47.57% of the time which is 3.64% lower against Miss Fortune than the average opponent.
After normalising both champions win rates Sion wins against Miss Fortune 0.85% more often than would be expected.
The average opponent winrate against Miss Fortune is 51.21%.


Samira
the Desert Rose
Sion wins against Samira 47.70% of the time which is 6.49% lower against Samira than the average opponent.
After normalising both champions win rates Sion wins against Samira 2.01% less often than would be expected.
The average opponent winrate against Samira is 54.19%.


Smolder
the Fiery Fledgling
Sion wins against Smolder 47.75% of the time which is 6.31% lower against Smolder than the average opponent.
After normalising both champions win rates Sion wins against Smolder 1.83% less often than would be expected.
The average opponent winrate against Smolder is 54.06%.


Caitlyn
the Sheriff of Piltover
Sion wins against Caitlyn 48.24% of the time which is 5.06% lower against Caitlyn than the average opponent.
After normalising both champions win rates Sion wins against Caitlyn 0.57% less often than would be expected.
The average opponent winrate against Caitlyn is 53.30%.


Sivir
the Battle Mistress
Sion wins against Sivir 48.29% of the time which is 5.15% lower against Sivir than the average opponent.
After normalising both champions win rates Sion wins against Sivir 0.66% less often than would be expected.
The average opponent winrate against Sivir is 53.44%.


Aphelios
the Weapon of the Faithful
Sion wins against Aphelios 48.32% of the time which is 5.69% lower against Aphelios than the average opponent.
After normalising both champions win rates Sion wins against Aphelios 1.20% less often than would be expected.
The average opponent winrate against Aphelios is 54.01%.


Jinx
the Loose Cannon
Sion wins against Jinx 48.80% of the time which is 3.73% lower against Jinx than the average opponent.
After normalising both champions win rates Sion wins against Jinx 0.76% more often than would be expected.
The average opponent winrate against Jinx is 52.53%.


Jhin
the Virtuoso
Sion wins against Jhin 49.03% of the time which is 4.08% lower against Jhin than the average opponent.
After normalising both champions win rates Sion wins against Jhin 0.41% more often than would be expected.
The average opponent winrate against Jhin is 53.11%.


Swain
the Noxian Grand General
Sion wins against Swain 49.14% of the time which is 2.24% lower against Swain than the average opponent.
After normalising both champions win rates Sion wins against Swain 2.25% more often than would be expected.
The average opponent winrate against Swain is 51.38%.


Lucian
the Purifier
Sion wins against Lucian 49.31% of the time which is 6.18% lower against Lucian than the average opponent.
After normalising both champions win rates Sion wins against Lucian 1.70% less often than would be expected.
The average opponent winrate against Lucian is 55.49%.


Twitch
the Plague Rat
Sion wins against Twitch 49.37% of the time which is 4.27% lower against Twitch than the average opponent.
After normalising both champions win rates Sion wins against Twitch 0.22% more often than would be expected.
The average opponent winrate against Twitch is 53.64%.


Ashe
the Frost Archer
Sion wins against Ashe 49.88% of the time which is 3.34% lower against Ashe than the average opponent.
After normalising both champions win rates Sion wins against Ashe 1.15% more often than would be expected.
The average opponent winrate against Ashe is 53.22%.


Kai'Sa
Daughter of the Void
Sion wins against Kai'Sa 49.91% of the time which is 5.09% lower against Kai'Sa than the average opponent.
After normalising both champions win rates Sion wins against Kai'Sa 0.61% less often than would be expected.
The average opponent winrate against Kai'Sa is 55.00%.


Mel
the Soul's Reflection
Sion wins against Mel 50.19% of the time which is 3.81% lower against Mel than the average opponent.
After normalising both champions win rates Sion wins against Mel 0.68% more often than would be expected.
The average opponent winrate against Mel is 54.00%.


Tristana
the Yordle Gunner
Sion wins against Tristana 50.68% of the time which is 4.21% lower against Tristana than the average opponent.
After normalising both champions win rates Sion wins against Tristana 0.27% more often than would be expected.
The average opponent winrate against Tristana is 54.89%.


Teemo
the Swift Scout
Sion wins against Teemo 50.77% of the time which is 1.38% lower against Teemo than the average opponent.
After normalising both champions win rates Sion wins against Teemo 3.11% more often than would be expected.
The average opponent winrate against Teemo is 52.15%.


Ezreal
the Prodigal Explorer
Sion wins against Ezreal 50.82% of the time which is 4.35% lower against Ezreal than the average opponent.
After normalising both champions win rates Sion wins against Ezreal 0.13% more often than would be expected.
The average opponent winrate against Ezreal is 55.17%.


Draven
the Glorious Executioner
Sion wins against Draven 51.10% of the time which is 4.75% lower against Draven than the average opponent.
After normalising both champions win rates Sion wins against Draven 0.27% less often than would be expected.
The average opponent winrate against Draven is 55.85%.


Zeri
The Spark of Zaun
Sion wins against Zeri 51.13% of the time which is 3.72% lower against Zeri than the average opponent.
After normalising both champions win rates Sion wins against Zeri 0.76% more often than would be expected.
The average opponent winrate against Zeri is 54.85%.


Xayah
the Rebel
Sion wins against Xayah 51.28% of the time which is 3.48% lower against Xayah than the average opponent.
After normalising both champions win rates Sion wins against Xayah 1.00% more often than would be expected.
The average opponent winrate against Xayah is 54.76%.


Kog'Maw
the Mouth of the Abyss
Sion wins against Kog'Maw 51.30% of the time which is 1.42% lower against Kog'Maw than the average opponent.
After normalising both champions win rates Sion wins against Kog'Maw 3.07% more often than would be expected.
The average opponent winrate against Kog'Maw is 52.72%.


Varus
the Arrow of Retribution
Sion wins against Varus 51.69% of the time which is 3.49% lower against Varus than the average opponent.
After normalising both champions win rates Sion wins against Varus 0.99% more often than would be expected.
The average opponent winrate against Varus is 55.18%.


Kalista
the Spear of Vengeance
Sion wins against Kalista 52.90% of the time which is 3.81% lower against Kalista than the average opponent.
After normalising both champions win rates Sion wins against Kalista 0.66% more often than would be expected.
The average opponent winrate against Kalista is 56.71%.