

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: 4,107,012
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 top vs middle Counters
Sion top on Patch 15.9 is the strongest counter to middle champions of Veigar, Aurora & Vex. While Sion top is countered most by middle champions of Swain, Aurelion Sol & Lux. Below is a detailed breakdown of Sion top counters against middle champions with a minimum of 100 games.


Swain
the Noxian Grand General
Sion wins against Swain 40.95% of the time which is 7.80% lower against Swain than the average opponent.
After normalising both champions win rates Sion wins against Swain 8.45% less often than would be expected.
The average opponent winrate against Swain is 48.75%.


Aurelion Sol
The Star Forger
Sion wins against Aurelion Sol 43.56% of the time which is 5.55% lower against Aurelion Sol than the average opponent.
After normalising both champions win rates Sion wins against Aurelion Sol 6.20% less often than would be expected.
The average opponent winrate against Aurelion Sol is 49.11%.


Lux
the Lady of Luminosity
Sion wins against Lux 43.60% of the time which is 5.58% lower against Lux than the average opponent.
After normalising both champions win rates Sion wins against Lux 6.23% less often than would be expected.
The average opponent winrate against Lux is 49.18%.


Vladimir
the Crimson Reaper
Sion wins against Vladimir 43.67% of the time which is 4.73% lower against Vladimir than the average opponent.
After normalising both champions win rates Sion wins against Vladimir 5.38% less often than would be expected.
The average opponent winrate against Vladimir is 48.40%.


Qiyana
Empress of the Elements
Sion wins against Qiyana 44.02% of the time which is 4.67% lower against Qiyana than the average opponent.
After normalising both champions win rates Sion wins against Qiyana 5.32% less often than would be expected.
The average opponent winrate against Qiyana is 48.69%.


Fizz
the Tidal Trickster
Sion wins against Fizz 45.37% of the time which is 3.63% lower against Fizz than the average opponent.
After normalising both champions win rates Sion wins against Fizz 4.28% less often than would be expected.
The average opponent winrate against Fizz is 49.00%.


Kennen
the Heart of the Tempest
Sion wins against Kennen 46.54% of the time which is 0.75% higher against Kennen than the average opponent.
After normalising both champions win rates Sion wins against Kennen 0.10% more often than would be expected.
The average opponent winrate against Kennen is 45.79%.


Talon
the Blade's Shadow
Sion wins against Talon 46.61% of the time which is 1.50% lower against Talon than the average opponent.
After normalising both champions win rates Sion wins against Talon 2.15% less often than would be expected.
The average opponent winrate against Talon is 48.11%.


Hwei
the Visionary
Sion wins against Hwei 46.69% of the time which is 2.09% lower against Hwei than the average opponent.
After normalising both champions win rates Sion wins against Hwei 2.74% less often than would be expected.
The average opponent winrate against Hwei is 48.78%.


Vel'Koz
the Eye of the Void
Sion wins against Vel'Koz 46.76% of the time which is 1.00% lower against Vel'Koz than the average opponent.
After normalising both champions win rates Sion wins against Vel'Koz 1.65% less often than would be expected.
The average opponent winrate against Vel'Koz is 47.76%.


Ekko
the Boy Who Shattered Time
Sion wins against Ekko 47.13% of the time which is 1.42% lower against Ekko than the average opponent.
After normalising both champions win rates Sion wins against Ekko 2.07% less often than would be expected.
The average opponent winrate against Ekko is 48.55%.


Cassiopeia
the Serpent's Embrace
Sion wins against Cassiopeia 47.14% of the time which is 0.57% lower against Cassiopeia than the average opponent.
After normalising both champions win rates Sion wins against Cassiopeia 1.22% less often than would be expected.
The average opponent winrate against Cassiopeia is 47.71%.


Azir
the Emperor of the Sands
Sion wins against Azir 47.27% of the time which is 3.70% lower against Azir than the average opponent.
After normalising both champions win rates Sion wins against Azir 4.35% less often than would be expected.
The average opponent winrate against Azir is 50.97%.


Syndra
the Dark Sovereign
Sion wins against Syndra 47.37% of the time which is 2.35% lower against Syndra than the average opponent.
After normalising both champions win rates Sion wins against Syndra 3.00% less often than would be expected.
The average opponent winrate against Syndra is 49.72%.


Annie
the Dark Child
Sion wins against Annie 48.05% of the time which is 0.28% higher against Annie than the average opponent.
After normalising both champions win rates Sion wins against Annie 0.37% less often than would be expected.
The average opponent winrate against Annie is 47.77%.


Zoe
the Aspect of Twilight
Sion wins against Zoe 48.55% of the time which is 0.95% higher against Zoe than the average opponent.
After normalising both champions win rates Sion wins against Zoe 0.30% more often than would be expected.
The average opponent winrate against Zoe is 47.60%.


Diana
Scorn of the Moon
Sion wins against Diana 48.57% of the time which is 1.02% higher against Diana than the average opponent.
After normalising both champions win rates Sion wins against Diana 0.37% more often than would be expected.
The average opponent winrate against Diana is 47.55%.


Xerath
the Magus Ascendant
Sion wins against Xerath 48.84% of the time which is 0.36% higher against Xerath than the average opponent.
After normalising both champions win rates Sion wins against Xerath 0.29% less often than would be expected.
The average opponent winrate against Xerath is 48.48%.


Orianna
the Lady of Clockwork
Sion wins against Orianna 48.96% of the time which is 0.18% lower against Orianna than the average opponent.
After normalising both champions win rates Sion wins against Orianna 0.83% less often than would be expected.
The average opponent winrate against Orianna is 49.14%.


Kassadin
the Void Walker
Sion wins against Kassadin 49.04% of the time which is 0.00% lower against Kassadin than the average opponent.
After normalising both champions win rates Sion wins against Kassadin 0.65% less often than would be expected.
The average opponent winrate against Kassadin is 49.04%.


Galio
the Colossus
Sion wins against Galio 49.38% of the time which is 0.58% higher against Galio than the average opponent.
After normalising both champions win rates Sion wins against Galio 0.07% less often than would be expected.
The average opponent winrate against Galio is 48.80%.


Irelia
the Blade Dancer
Sion wins against Irelia 49.78% of the time which is 0.60% lower against Irelia than the average opponent.
After normalising both champions win rates Sion wins against Irelia 1.25% less often than would be expected.
The average opponent winrate against Irelia is 50.38%.


Akali
the Rogue Assassin
Sion wins against Akali 49.91% of the time which is 0.90% higher against Akali than the average opponent.
After normalising both champions win rates Sion wins against Akali 0.25% more often than would be expected.
The average opponent winrate against Akali is 49.01%.


Sylas
the Unshackled
Sion wins against Sylas 50.00% of the time which is 0.43% higher against Sylas than the average opponent.
After normalising both champions win rates Sion wins against Sylas 0.22% less often than would be expected.
The average opponent winrate against Sylas is 49.57%.


Yone
the Unforgotten
Sion wins against Yone 50.27% of the time which is 2.60% lower against Yone than the average opponent.
After normalising both champions win rates Sion wins against Yone 3.25% less often than would be expected.
The average opponent winrate against Yone is 52.87%.


Lissandra
the Ice Witch
Sion wins against Lissandra 50.36% of the time which is 2.21% higher against Lissandra than the average opponent.
After normalising both champions win rates Sion wins against Lissandra 1.56% more often than would be expected.
The average opponent winrate against Lissandra is 48.15%.


Viktor
the Herald of the Arcane
Sion wins against Viktor 50.54% of the time which is 0.38% higher against Viktor than the average opponent.
After normalising both champions win rates Sion wins against Viktor 0.27% less often than would be expected.
The average opponent winrate against Viktor is 50.16%.


Ahri
the Nine-Tailed Fox
Sion wins against Ahri 50.67% of the time which is 1.69% higher against Ahri than the average opponent.
After normalising both champions win rates Sion wins against Ahri 1.04% more often than would be expected.
The average opponent winrate against Ahri is 48.98%.


Taliyah
the Stoneweaver
Sion wins against Taliyah 51.10% of the time which is 3.48% higher against Taliyah than the average opponent.
After normalising both champions win rates Sion wins against Taliyah 2.83% more often than would be expected.
The average opponent winrate against Taliyah is 47.62%.


Anivia
the Cryophoenix
Sion wins against Anivia 51.25% of the time which is 3.64% higher against Anivia than the average opponent.
After normalising both champions win rates Sion wins against Anivia 2.99% more often than would be expected.
The average opponent winrate against Anivia is 47.61%.


Zed
the Master of Shadows
Sion wins against Zed 51.30% of the time which is 2.02% higher against Zed than the average opponent.
After normalising both champions win rates Sion wins against Zed 1.37% more often than would be expected.
The average opponent winrate against Zed is 49.28%.


Katarina
the Sinister Blade
Sion wins against Katarina 51.46% of the time which is 3.15% higher against Katarina than the average opponent.
After normalising both champions win rates Sion wins against Katarina 2.50% more often than would be expected.
The average opponent winrate against Katarina is 48.31%.


Malzahar
the Prophet of the Void
Sion wins against Malzahar 51.80% of the time which is 3.25% higher against Malzahar than the average opponent.
After normalising both champions win rates Sion wins against Malzahar 2.60% more often than would be expected.
The average opponent winrate against Malzahar is 48.55%.


LeBlanc
the Deceiver
Sion wins against LeBlanc 51.94% of the time which is 2.74% higher against LeBlanc than the average opponent.
After normalising both champions win rates Sion wins against LeBlanc 2.09% more often than would be expected.
The average opponent winrate against LeBlanc is 49.20%.


Ryze
the Rune Mage
Sion wins against Ryze 52.23% of the time which is 1.84% higher against Ryze than the average opponent.
After normalising both champions win rates Sion wins against Ryze 1.19% more often than would be expected.
The average opponent winrate against Ryze is 50.39%.


Yasuo
the Unforgiven
Sion wins against Yasuo 52.36% of the time which is 2.33% higher against Yasuo than the average opponent.
After normalising both champions win rates Sion wins against Yasuo 1.68% more often than would be expected.
The average opponent winrate against Yasuo is 50.03%.


Akshan
the Rogue Sentinel
Sion wins against Akshan 52.77% of the time which is 4.23% higher against Akshan than the average opponent.
After normalising both champions win rates Sion wins against Akshan 3.58% more often than would be expected.
The average opponent winrate against Akshan is 48.54%.


Twisted Fate
the Card Master
Sion wins against Twisted Fate 53.29% of the time which is 2.76% higher against Twisted Fate than the average opponent.
After normalising both champions win rates Sion wins against Twisted Fate 2.11% more often than would be expected.
The average opponent winrate against Twisted Fate is 50.53%.


Jayce
the Defender of Tomorrow
Sion wins against Jayce 53.70% of the time which is 2.78% higher against Jayce than the average opponent.
After normalising both champions win rates Sion wins against Jayce 2.13% more often than would be expected.
The average opponent winrate against Jayce is 50.92%.


Mel
the Soul's Reflection
Sion wins against Mel 54.39% of the time which is 3.22% higher against Mel than the average opponent.
After normalising both champions win rates Sion wins against Mel 2.57% more often than would be expected.
The average opponent winrate against Mel is 51.17%.


Vex
the Gloomist
Sion wins against Vex 54.63% of the time which is 8.66% higher against Vex than the average opponent.
After normalising both champions win rates Sion wins against Vex 8.01% more often than would be expected.
The average opponent winrate against Vex is 45.97%.


Aurora
the Witch Between Worlds
Sion wins against Aurora 55.16% of the time which is 5.02% higher against Aurora than the average opponent.
After normalising both champions win rates Sion wins against Aurora 4.37% more often than would be expected.
The average opponent winrate against Aurora is 50.14%.


Veigar
the Tiny Master of Evil
Sion wins against Veigar 55.33% of the time which is 6.61% higher against Veigar than the average opponent.
After normalising both champions win rates Sion wins against Veigar 5.96% more often than would be expected.
The average opponent winrate against Veigar is 48.72%.