

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.
All Ranks Champions Analysed: 25,231,370
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 support vs support Counters
Sion support on Patch 15.17 is the strongest counter to support champions of Sona, Vel'Koz & Pantheon. While Sion support is countered most by support champions of Milio, Soraka & Swain. Below is a detailed breakdown of Sion support counters against support champions with a minimum of 100 games.


Milio
Douce flamme
Sion wins against Milio 39.91% of the time which is 7.23% lower against Milio than the average opponent.
After normalising both champions win rates Sion wins against Milio 8.02% less often than would be expected.
The average opponent winrate against Milio is 47.14%.


Soraka
Enfant des étoiles
Sion wins against Soraka 41.46% of the time which is 6.68% lower against Soraka than the average opponent.
After normalising both champions win rates Sion wins against Soraka 7.47% less often than would be expected.
The average opponent winrate against Soraka is 48.14%.


Swain
Grand général noxien
Sion wins against Swain 42.44% of the time which is 7.85% lower against Swain than the average opponent.
After normalising both champions win rates Sion wins against Swain 8.64% less often than would be expected.
The average opponent winrate against Swain is 50.29%.


Neeko
Caméléon curieux
Sion wins against Neeko 44.97% of the time which is 6.17% lower against Neeko than the average opponent.
After normalising both champions win rates Sion wins against Neeko 6.96% less often than would be expected.
The average opponent winrate against Neeko is 51.14%.


Alistar
Minotaure
Sion wins against Alistar 45.45% of the time which is 5.39% lower against Alistar than the average opponent.
After normalising both champions win rates Sion wins against Alistar 6.18% less often than would be expected.
The average opponent winrate against Alistar is 50.84%.


Nami
Aquamancienne
Sion wins against Nami 46.11% of the time which is 1.81% lower against Nami than the average opponent.
After normalising both champions win rates Sion wins against Nami 2.60% less often than would be expected.
The average opponent winrate against Nami is 47.92%.


Rell
Vierge de fer
Sion wins against Rell 46.98% of the time which is 3.41% lower against Rell than the average opponent.
After normalising both champions win rates Sion wins against Rell 4.20% less often than would be expected.
The average opponent winrate against Rell is 50.39%.


Morgana
Déchue
Sion wins against Morgana 47.01% of the time which is 0.94% lower against Morgana than the average opponent.
After normalising both champions win rates Sion wins against Morgana 1.73% less often than would be expected.
The average opponent winrate against Morgana is 47.95%.


Lulu
Sorcière féérique
Sion wins against Lulu 47.95% of the time which is 2.56% lower against Lulu than the average opponent.
After normalising both champions win rates Sion wins against Lulu 3.35% less often than would be expected.
The average opponent winrate against Lulu is 50.51%.


Tahm Kench
Roi des rivières
Sion wins against Tahm Kench 48.30% of the time which is 2.54% lower against Tahm Kench than the average opponent.
After normalising both champions win rates Sion wins against Tahm Kench 3.33% less often than would be expected.
The average opponent winrate against Tahm Kench is 50.84%.


Séraphine
Chanteuse rêveuse
Sion wins against Séraphine 48.42% of the time which is 2.50% lower against Séraphine than the average opponent.
After normalising both champions win rates Sion wins against Séraphine 3.29% less often than would be expected.
The average opponent winrate against Séraphine is 50.92%.


Zyra
Dame aux ronces
Sion wins against Zyra 48.45% of the time which is 0.62% higher against Zyra than the average opponent.
After normalising both champions win rates Sion wins against Zyra 0.17% less often than would be expected.
The average opponent winrate against Zyra is 47.83%.


Rakan
Charmeur
Sion wins against Rakan 48.59% of the time which is 2.06% lower against Rakan than the average opponent.
After normalising both champions win rates Sion wins against Rakan 2.85% less often than would be expected.
The average opponent winrate against Rakan is 50.65%.


Thresh
Garde aux chaînes
Sion wins against Thresh 48.85% of the time which is 1.05% lower against Thresh than the average opponent.
After normalising both champions win rates Sion wins against Thresh 1.84% less often than would be expected.
The average opponent winrate against Thresh is 49.90%.


Xerath
Mage suprême
Sion wins against Xerath 50.98% of the time which is 1.78% higher against Xerath than the average opponent.
After normalising both champions win rates Sion wins against Xerath 0.99% more often than would be expected.
The average opponent winrate against Xerath is 49.20%.


Brand
Vengeur flamboyant
Sion wins against Brand 51.10% of the time which is 3.48% higher against Brand than the average opponent.
After normalising both champions win rates Sion wins against Brand 2.69% more often than would be expected.
The average opponent winrate against Brand is 47.62%.


Nautilus
Titan des profondeurs
Sion wins against Nautilus 51.28% of the time which is 0.63% higher against Nautilus than the average opponent.
After normalising both champions win rates Sion wins against Nautilus 0.16% less often than would be expected.
The average opponent winrate against Nautilus is 50.65%.


Shaco
Bouffon des ténèbres
Sion wins against Shaco 52.10% of the time which is 2.64% higher against Shaco than the average opponent.
After normalising both champions win rates Sion wins against Shaco 1.85% more often than would be expected.
The average opponent winrate against Shaco is 49.46%.


Mel
Reflet de l'âme
Sion wins against Mel 52.33% of the time which is 0.78% lower against Mel than the average opponent.
After normalising both champions win rates Sion wins against Mel 1.57% less often than would be expected.
The average opponent winrate against Mel is 53.11%.


Bard
Gardien errant
Sion wins against Bard 52.38% of the time which is 1.93% higher against Bard than the average opponent.
After normalising both champions win rates Sion wins against Bard 1.14% more often than would be expected.
The average opponent winrate against Bard is 50.45%.


Lux
Dame de lumière
Sion wins against Lux 53.65% of the time which is 3.50% higher against Lux than the average opponent.
After normalising both champions win rates Sion wins against Lux 2.71% more often than would be expected.
The average opponent winrate against Lux is 50.15%.


Pyke
Éventreur des abysses
Sion wins against Pyke 53.97% of the time which is 2.95% higher against Pyke than the average opponent.
After normalising both champions win rates Sion wins against Pyke 2.16% more often than would be expected.
The average opponent winrate against Pyke is 51.02%.


Braum
Cœur de Freljord
Sion wins against Braum 54.14% of the time which is 4.63% higher against Braum than the average opponent.
After normalising both champions win rates Sion wins against Braum 3.84% more often than would be expected.
The average opponent winrate against Braum is 49.51%.


Poppy
Gardienne du marteau
Sion wins against Poppy 54.17% of the time which is 5.03% higher against Poppy than the average opponent.
After normalising both champions win rates Sion wins against Poppy 4.24% more often than would be expected.
The average opponent winrate against Poppy is 49.14%.


Blitzcrank
Golem de vapeur
Sion wins against Blitzcrank 54.51% of the time which is 3.78% higher against Blitzcrank than the average opponent.
After normalising both champions win rates Sion wins against Blitzcrank 2.99% more often than would be expected.
The average opponent winrate against Blitzcrank is 50.73%.


Leona
Aube radieuse
Sion wins against Leona 54.67% of the time which is 5.64% higher against Leona than the average opponent.
After normalising both champions win rates Sion wins against Leona 4.85% more often than would be expected.
The average opponent winrate against Leona is 49.03%.


Maokai
Tréant torturé
Sion wins against Maokai 55.05% of the time which is 6.21% higher against Maokai than the average opponent.
After normalising both champions win rates Sion wins against Maokai 5.42% more often than would be expected.
The average opponent winrate against Maokai is 48.84%.


Senna
Rédemptrice
Sion wins against Senna 55.14% of the time which is 4.82% higher against Senna than the average opponent.
After normalising both champions win rates Sion wins against Senna 4.03% more often than would be expected.
The average opponent winrate against Senna is 50.32%.


Karma
Sagesse incarnée
Sion wins against Karma 55.81% of the time which is 6.08% higher against Karma than the average opponent.
After normalising both champions win rates Sion wins against Karma 5.29% more often than would be expected.
The average opponent winrate against Karma is 49.73%.


Yuumi
Gardienne du Grimoire
Sion wins against Yuumi 55.88% of the time which is 3.42% higher against Yuumi than the average opponent.
After normalising both champions win rates Sion wins against Yuumi 2.63% more often than would be expected.
The average opponent winrate against Yuumi is 52.46%.


Pantheon
Lance éternelle
Sion wins against Pantheon 55.95% of the time which is 5.46% higher against Pantheon than the average opponent.
After normalising both champions win rates Sion wins against Pantheon 4.67% more often than would be expected.
The average opponent winrate against Pantheon is 50.49%.


Vel'Koz
Œil du Néant
Sion wins against Vel'Koz 57.14% of the time which is 8.65% higher against Vel'Koz than the average opponent.
After normalising both champions win rates Sion wins against Vel'Koz 7.86% more often than would be expected.
The average opponent winrate against Vel'Koz is 48.49%.


Sona
Virtuose de la harpe
Sion wins against Sona 57.48% of the time which is 9.75% higher against Sona than the average opponent.
After normalising both champions win rates Sion wins against Sona 8.96% more often than would be expected.
The average opponent winrate against Sona is 47.73%.