

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.
Emerald+ Champions Analysed: 33,146,753
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 top Counters
Sion top on Patch 30 is the strongest counter to top champions of Senna, Diana & Malzahar. While Sion top is countered most by top champions of Jarvan IV, Zilean & Master Yi. Below is a detailed breakdown of Sion top counters against top champions with a minimum of 100 games.


Jarvan IV
prințul Demaciei
Sion wins against Jarvan IV 40.00% of the time which is 12.57% lower against Jarvan IV than the average opponent.
After normalising both champions win rates Sion wins against Jarvan IV 14.04% less often than would be expected.
The average opponent winrate against Jarvan IV is 52.57%.


Zilean
paznicul timpului
Sion wins against Zilean 44.55% of the time which is 1.83% lower against Zilean than the average opponent.
After normalising both champions win rates Sion wins against Zilean 3.30% less often than would be expected.
The average opponent winrate against Zilean is 46.38%.


Master Yi
maestrul Wuju
Sion wins against Master Yi 45.07% of the time which is 10.02% lower against Master Yi than the average opponent.
After normalising both champions win rates Sion wins against Master Yi 11.49% less often than would be expected.
The average opponent winrate against Master Yi is 55.09%.


Riven
renegata
Sion wins against Riven 45.10% of the time which is 2.10% lower against Riven than the average opponent.
After normalising both champions win rates Sion wins against Riven 3.57% less often than would be expected.
The average opponent winrate against Riven is 47.20%.


Swain
Marele General al Noxusului
Sion wins against Swain 45.17% of the time which is 3.85% lower against Swain than the average opponent.
After normalising both champions win rates Sion wins against Swain 5.32% less often than would be expected.
The average opponent winrate against Swain is 49.02%.


Singed
chimistul nebun
Sion wins against Singed 46.69% of the time which is 1.56% lower against Singed than the average opponent.
After normalising both champions win rates Sion wins against Singed 3.03% less often than would be expected.
The average opponent winrate against Singed is 48.25%.


Azir
împăratul nisipurilor
Sion wins against Azir 46.70% of the time which is 1.85% lower against Azir than the average opponent.
After normalising both champions win rates Sion wins against Azir 3.32% less often than would be expected.
The average opponent winrate against Azir is 48.55%.


Neeko
cameleonul jucăuș
Sion wins against Neeko 47.32% of the time which is 0.15% higher against Neeko than the average opponent.
After normalising both champions win rates Sion wins against Neeko 1.32% less often than would be expected.
The average opponent winrate against Neeko is 47.17%.


Kayle
aripile justiției
Sion wins against Kayle 47.43% of the time which is 0.60% higher against Kayle than the average opponent.
After normalising both champions win rates Sion wins against Kayle 0.87% less often than would be expected.
The average opponent winrate against Kayle is 46.83%.


Kled
călărețul cârcotaș
Sion wins against Kled 47.60% of the time which is 0.13% lower against Kled than the average opponent.
After normalising both champions win rates Sion wins against Kled 1.60% less often than would be expected.
The average opponent winrate against Kled is 47.73%.


Camille
agentul din umbră
Sion wins against Camille 47.67% of the time which is 0.46% lower against Camille than the average opponent.
After normalising both champions win rates Sion wins against Camille 1.93% less often than would be expected.
The average opponent winrate against Camille is 48.13%.


Sett
bătăușul-șef
Sion wins against Sett 47.78% of the time which is 0.96% higher against Sett than the average opponent.
After normalising both champions win rates Sion wins against Sett 0.51% less often than would be expected.
The average opponent winrate against Sett is 46.82%.


Fiora
inegalabilul duelist
Sion wins against Fiora 47.80% of the time which is 0.01% higher against Fiora than the average opponent.
After normalising both champions win rates Sion wins against Fiora 1.46% less often than would be expected.
The average opponent winrate against Fiora is 47.79%.


Darius
mâna dreaptă a Noxusului
Sion wins against Darius 47.81% of the time which is 1.53% lower against Darius than the average opponent.
After normalising both champions win rates Sion wins against Darius 3.00% less often than would be expected.
The average opponent winrate against Darius is 49.34%.


Ornn
focul din inima muntelui
Sion wins against Ornn 47.86% of the time which is 0.14% lower against Ornn than the average opponent.
After normalising both champions win rates Sion wins against Ornn 1.61% less often than would be expected.
The average opponent winrate against Ornn is 48.00%.


Ambessa
matriarha războiului
Sion wins against Ambessa 48.05% of the time which is 1.57% lower against Ambessa than the average opponent.
After normalising both champions win rates Sion wins against Ambessa 3.04% less often than would be expected.
The average opponent winrate against Ambessa is 49.62%.


Shen
ochiul crepusculului
Sion wins against Shen 48.11% of the time which is 0.97% higher against Shen than the average opponent.
After normalising both champions win rates Sion wins against Shen 0.50% less often than would be expected.
The average opponent winrate against Shen is 47.14%.


Zac
arma secretă
Sion wins against Zac 48.11% of the time which is 0.48% higher against Zac than the average opponent.
After normalising both champions win rates Sion wins against Zac 0.99% less often than would be expected.
The average opponent winrate against Zac is 47.63%.


Yone
spadasinul nepieritor
Sion wins against Yone 48.13% of the time which is 3.20% lower against Yone than the average opponent.
After normalising both champions win rates Sion wins against Yone 4.67% less often than would be expected.
The average opponent winrate against Yone is 51.33%.


Fiddlesticks
teroarea primordială
Sion wins against Fiddlesticks 48.13% of the time which is 0.45% higher against Fiddlesticks than the average opponent.
After normalising both champions win rates Sion wins against Fiddlesticks 1.02% less often than would be expected.
The average opponent winrate against Fiddlesticks is 47.68%.


Nocturne
eternul coșmar
Sion wins against Nocturne 48.19% of the time which is 0.04% higher against Nocturne than the average opponent.
After normalising both champions win rates Sion wins against Nocturne 1.43% less often than would be expected.
The average opponent winrate against Nocturne is 48.15%.


Aurelion Sol
făuritorul de stele
Sion wins against Aurelion Sol 48.28% of the time which is 0.03% lower against Aurelion Sol than the average opponent.
After normalising both champions win rates Sion wins against Aurelion Sol 1.50% less often than would be expected.
The average opponent winrate against Aurelion Sol is 48.31%.


Olaf
berserkerul
Sion wins against Olaf 48.32% of the time which is 1.43% higher against Olaf than the average opponent.
After normalising both champions win rates Sion wins against Olaf 0.04% less often than would be expected.
The average opponent winrate against Olaf is 46.89%.


Vayne
ucigașa întunericului
Sion wins against Vayne 48.56% of the time which is 0.31% higher against Vayne than the average opponent.
After normalising both champions win rates Sion wins against Vayne 1.16% less often than would be expected.
The average opponent winrate against Vayne is 48.25%.


Cho'Gath
teroarea din Vid
Sion wins against Cho'Gath 48.66% of the time which is 1.26% higher against Cho'Gath than the average opponent.
After normalising both champions win rates Sion wins against Cho'Gath 0.21% less often than would be expected.
The average opponent winrate against Cho'Gath is 47.40%.


Gwen
croitoreasa binecuvântată
Sion wins against Gwen 48.82% of the time which is 0.15% higher against Gwen than the average opponent.
After normalising both champions win rates Sion wins against Gwen 1.32% less often than would be expected.
The average opponent winrate against Gwen is 48.67%.


Poppy
straja barosului
Sion wins against Poppy 49.00% of the time which is 1.05% higher against Poppy than the average opponent.
After normalising both champions win rates Sion wins against Poppy 0.42% less often than would be expected.
The average opponent winrate against Poppy is 47.95%.


Irelia
dansatoarea tăișurilor
Sion wins against Irelia 49.01% of the time which is 0.33% higher against Irelia than the average opponent.
After normalising both champions win rates Sion wins against Irelia 1.14% less often than would be expected.
The average opponent winrate against Irelia is 48.68%.


Trundle
regele trolilor
Sion wins against Trundle 49.12% of the time which is 0.46% higher against Trundle than the average opponent.
After normalising both champions win rates Sion wins against Trundle 1.01% less often than would be expected.
The average opponent winrate against Trundle is 48.66%.


Aatrox
sabia darkin
Sion wins against Aatrox 49.15% of the time which is 0.16% lower against Aatrox than the average opponent.
After normalising both champions win rates Sion wins against Aatrox 1.63% less often than would be expected.
The average opponent winrate against Aatrox is 49.31%.


Tahm Kench
Regele râurilor
Sion wins against Tahm Kench 49.19% of the time which is 0.28% lower against Tahm Kench than the average opponent.
After normalising both champions win rates Sion wins against Tahm Kench 1.75% less often than would be expected.
The average opponent winrate against Tahm Kench is 49.47%.


Cassiopeia
îmbrățișarea șarpelui
Sion wins against Cassiopeia 49.33% of the time which is 2.18% higher against Cassiopeia than the average opponent.
After normalising both champions win rates Sion wins against Cassiopeia 0.71% more often than would be expected.
The average opponent winrate against Cassiopeia is 47.15%.


Dr. Mundo
nebunul din Zaun
Sion wins against Dr. Mundo 49.41% of the time which is 0.31% lower against Dr. Mundo than the average opponent.
After normalising both champions win rates Sion wins against Dr. Mundo 1.78% less often than would be expected.
The average opponent winrate against Dr. Mundo is 49.72%.


Mordekaiser
spectrul de fier
Sion wins against Mordekaiser 49.60% of the time which is 0.75% higher against Mordekaiser than the average opponent.
After normalising both champions win rates Sion wins against Mordekaiser 0.72% less often than would be expected.
The average opponent winrate against Mordekaiser is 48.85%.


Quinn
aripile Demaciei
Sion wins against Quinn 49.60% of the time which is 3.30% higher against Quinn than the average opponent.
After normalising both champions win rates Sion wins against Quinn 1.83% more often than would be expected.
The average opponent winrate against Quinn is 46.30%.


Warwick
furia dezlănțuită a Zaunului
Sion wins against Warwick 49.68% of the time which is 3.32% higher against Warwick than the average opponent.
After normalising both champions win rates Sion wins against Warwick 1.85% more often than would be expected.
The average opponent winrate against Warwick is 46.36%.


Maokai
arborele însuflețit
Sion wins against Maokai 50.40% of the time which is 0.83% higher against Maokai than the average opponent.
After normalising both champions win rates Sion wins against Maokai 0.64% less often than would be expected.
The average opponent winrate against Maokai is 49.57%.


Renekton
măcelarul deșertului
Sion wins against Renekton 50.44% of the time which is 1.49% higher against Renekton than the average opponent.
After normalising both champions win rates Sion wins against Renekton 0.02% more often than would be expected.
The average opponent winrate against Renekton is 48.95%.


Volibear
furtuna nemiloasă
Sion wins against Volibear 50.47% of the time which is 0.94% higher against Volibear than the average opponent.
After normalising both champions win rates Sion wins against Volibear 0.53% less often than would be expected.
The average opponent winrate against Volibear is 49.53%.


Kennen
inima furtunii
Sion wins against Kennen 50.47% of the time which is 2.48% higher against Kennen than the average opponent.
After normalising both champions win rates Sion wins against Kennen 1.01% more often than would be expected.
The average opponent winrate against Kennen is 47.99%.


Kai'Sa
fiica Vidului
Sion wins against Kai'Sa 50.48% of the time which is 4.38% lower against Kai'Sa than the average opponent.
After normalising both champions win rates Sion wins against Kai'Sa 5.85% less often than would be expected.
The average opponent winrate against Kai'Sa is 54.86%.


Kayn
moartea din umbre
Sion wins against Kayn 50.52% of the time which is 2.62% lower against Kayn than the average opponent.
After normalising both champions win rates Sion wins against Kayn 4.09% less often than would be expected.
The average opponent winrate against Kayn is 53.14%.


Briar
foamea stăpânită
Sion wins against Briar 50.62% of the time which is 0.20% higher against Briar than the average opponent.
After normalising both champions win rates Sion wins against Briar 1.27% less often than would be expected.
The average opponent winrate against Briar is 50.42%.


Yasuo
spadasinul rătăcitor
Sion wins against Yasuo 50.68% of the time which is 0.77% higher against Yasuo than the average opponent.
After normalising both champions win rates Sion wins against Yasuo 0.70% less often than would be expected.
The average opponent winrate against Yasuo is 49.91%.


Viktor
profetul ezotericii
Sion wins against Viktor 50.73% of the time which is 0.63% higher against Viktor than the average opponent.
After normalising both champions win rates Sion wins against Viktor 0.84% less often than would be expected.
The average opponent winrate against Viktor is 50.10%.


Gragas
scandalagiul
Sion wins against Gragas 50.79% of the time which is 1.90% higher against Gragas than the average opponent.
After normalising both champions win rates Sion wins against Gragas 0.43% more often than would be expected.
The average opponent winrate against Gragas is 48.89%.


Aurora
vrăjitoarea dintre lumi
Sion wins against Aurora 50.83% of the time which is 1.48% higher against Aurora than the average opponent.
After normalising both champions win rates Sion wins against Aurora 0.01% more often than would be expected.
The average opponent winrate against Aurora is 49.35%.


Urgot
torționarul de coșmar
Sion wins against Urgot 50.84% of the time which is 3.89% higher against Urgot than the average opponent.
After normalising both champions win rates Sion wins against Urgot 2.42% more often than would be expected.
The average opponent winrate against Urgot is 46.95%.


K'Sante
mândria ținutului Nazumah
Sion wins against K'Sante 51.16% of the time which is 0.15% higher against K'Sante than the average opponent.
After normalising both champions win rates Sion wins against K'Sante 1.32% less often than would be expected.
The average opponent winrate against K'Sante is 51.01%.


Gnar
veriga lipsă
Sion wins against Gnar 51.20% of the time which is 1.34% higher against Gnar than the average opponent.
After normalising both champions win rates Sion wins against Gnar 0.13% less often than would be expected.
The average opponent winrate against Gnar is 49.86%.


Xin Zhao
seneșalul Demaciei
Sion wins against Xin Zhao 51.36% of the time which is 1.38% higher against Xin Zhao than the average opponent.
After normalising both champions win rates Sion wins against Xin Zhao 0.09% less often than would be expected.
The average opponent winrate against Xin Zhao is 49.98%.


Tryndamere
regele barbar
Sion wins against Tryndamere 51.71% of the time which is 2.60% higher against Tryndamere than the average opponent.
After normalising both champions win rates Sion wins against Tryndamere 1.13% more often than would be expected.
The average opponent winrate against Tryndamere is 49.11%.


Nasus
curatorul nisipurilor
Sion wins against Nasus 51.76% of the time which is 3.70% higher against Nasus than the average opponent.
After normalising both champions win rates Sion wins against Nasus 2.23% more often than would be expected.
The average opponent winrate against Nasus is 48.06%.


Akali
asasina nevăzută
Sion wins against Akali 51.77% of the time which is 3.06% higher against Akali than the average opponent.
After normalising both champions win rates Sion wins against Akali 1.59% more often than would be expected.
The average opponent winrate against Akali is 48.71%.


Sejuani
furia nordului
Sion wins against Sejuani 51.89% of the time which is 3.23% higher against Sejuani than the average opponent.
After normalising both champions win rates Sion wins against Sejuani 1.76% more often than would be expected.
The average opponent winrate against Sejuani is 48.66%.


Ekko
puștiul care a înfrânt timpul
Sion wins against Ekko 51.89% of the time which is 1.99% higher against Ekko than the average opponent.
After normalising both champions win rates Sion wins against Ekko 0.52% more often than would be expected.
The average opponent winrate against Ekko is 49.90%.


Varus
săgeata răzbunării
Sion wins against Varus 51.95% of the time which is 1.67% higher against Varus than the average opponent.
After normalising both champions win rates Sion wins against Varus 0.20% more often than would be expected.
The average opponent winrate against Varus is 50.28%.


Anivia
criophoenixul
Sion wins against Anivia 51.96% of the time which is 5.40% higher against Anivia than the average opponent.
After normalising both champions win rates Sion wins against Anivia 3.93% more often than would be expected.
The average opponent winrate against Anivia is 46.56%.


Gangplank
teroarea mărilor
Sion wins against Gangplank 51.98% of the time which is 3.20% higher against Gangplank than the average opponent.
After normalising both champions win rates Sion wins against Gangplank 1.73% more often than would be expected.
The average opponent winrate against Gangplank is 48.78%.


Jayce
protectorul viitorului
Sion wins against Jayce 52.09% of the time which is 1.58% higher against Jayce than the average opponent.
After normalising both champions win rates Sion wins against Jayce 0.11% more often than would be expected.
The average opponent winrate against Jayce is 50.51%.


Lissandra
vrăjitoarea ghețurilor
Sion wins against Lissandra 52.27% of the time which is 4.97% higher against Lissandra than the average opponent.
After normalising both champions win rates Sion wins against Lissandra 3.50% more often than would be expected.
The average opponent winrate against Lissandra is 47.30%.


Rengar
mândria haitei
Sion wins against Rengar 52.50% of the time which is 3.14% higher against Rengar than the average opponent.
After normalising both champions win rates Sion wins against Rengar 1.67% more often than would be expected.
The average opponent winrate against Rengar is 49.36%.


Vladimir
contele de purpură
Sion wins against Vladimir 52.52% of the time which is 3.70% higher against Vladimir than the average opponent.
After normalising both champions win rates Sion wins against Vladimir 2.23% more often than would be expected.
The average opponent winrate against Vladimir is 48.82%.


Annie
copilul întunericului
Sion wins against Annie 52.58% of the time which is 2.77% higher against Annie than the average opponent.
After normalising both champions win rates Sion wins against Annie 1.30% more often than would be expected.
The average opponent winrate against Annie is 49.81%.


Garen
măreția Demaciei
Sion wins against Garen 52.76% of the time which is 3.30% higher against Garen than the average opponent.
After normalising both champions win rates Sion wins against Garen 1.83% more often than would be expected.
The average opponent winrate against Garen is 49.46%.


Pantheon
lancea indestructibilă
Sion wins against Pantheon 52.81% of the time which is 4.70% higher against Pantheon than the average opponent.
After normalising both champions win rates Sion wins against Pantheon 3.23% more often than would be expected.
The average opponent winrate against Pantheon is 48.11%.


Yorick
monahul umbrelor
Sion wins against Yorick 52.99% of the time which is 4.96% higher against Yorick than the average opponent.
After normalising both champions win rates Sion wins against Yorick 3.49% more often than would be expected.
The average opponent winrate against Yorick is 48.03%.


Ryze
magul runelor
Sion wins against Ryze 53.10% of the time which is 4.02% higher against Ryze than the average opponent.
After normalising both champions win rates Sion wins against Ryze 2.55% more often than would be expected.
The average opponent winrate against Ryze is 49.08%.


Illaoi
preoteasa krakenului
Sion wins against Illaoi 53.26% of the time which is 3.40% higher against Illaoi than the average opponent.
After normalising both champions win rates Sion wins against Illaoi 1.93% more often than would be expected.
The average opponent winrate against Illaoi is 49.86%.


Teemo
cercetașul ager
Sion wins against Teemo 53.46% of the time which is 5.73% higher against Teemo than the average opponent.
After normalising both champions win rates Sion wins against Teemo 4.26% more often than would be expected.
The average opponent winrate against Teemo is 47.73%.


Smolder
micuțul dragon de foc
Sion wins against Smolder 53.53% of the time which is 0.13% higher against Smolder than the average opponent.
After normalising both champions win rates Sion wins against Smolder 1.34% less often than would be expected.
The average opponent winrate against Smolder is 53.40%.


Shaco
bufonul demonic
Sion wins against Shaco 53.61% of the time which is 1.37% lower against Shaco than the average opponent.
After normalising both champions win rates Sion wins against Shaco 2.84% less often than would be expected.
The average opponent winrate against Shaco is 54.98%.


Heimerdinger
idolul inventatorilor
Sion wins against Heimerdinger 53.83% of the time which is 5.93% higher against Heimerdinger than the average opponent.
After normalising both champions win rates Sion wins against Heimerdinger 4.46% more often than would be expected.
The average opponent winrate against Heimerdinger is 47.90%.


Jax
marele maestru al armelor
Sion wins against Jax 54.50% of the time which is 4.65% higher against Jax than the average opponent.
After normalising both champions win rates Sion wins against Jax 3.18% more often than would be expected.
The average opponent winrate against Jax is 49.85%.


Sylas
magul descătușat
Sion wins against Sylas 54.55% of the time which is 5.07% higher against Sylas than the average opponent.
After normalising both champions win rates Sion wins against Sylas 3.60% more often than would be expected.
The average opponent winrate against Sylas is 49.48%.


Karma
cea iluminată
Sion wins against Karma 54.62% of the time which is 4.48% higher against Karma than the average opponent.
After normalising both champions win rates Sion wins against Karma 3.01% more often than would be expected.
The average opponent winrate against Karma is 50.14%.


Udyr
purtătorul spiritelor
Sion wins against Udyr 54.82% of the time which is 0.05% higher against Udyr than the average opponent.
After normalising both champions win rates Sion wins against Udyr 1.42% less often than would be expected.
The average opponent winrate against Udyr is 54.77%.


Malphite
fragmentul de Monolit
Sion wins against Malphite 55.18% of the time which is 8.18% higher against Malphite than the average opponent.
After normalising both champions win rates Sion wins against Malphite 6.71% more often than would be expected.
The average opponent winrate against Malphite is 47.00%.


Ivern
inima codrului
Sion wins against Ivern 55.24% of the time which is 5.60% higher against Ivern than the average opponent.
After normalising both champions win rates Sion wins against Ivern 4.13% more often than would be expected.
The average opponent winrate against Ivern is 49.64%.


Lulu
zâna-vrăjitoare
Sion wins against Lulu 55.33% of the time which is 3.56% higher against Lulu than the average opponent.
After normalising both champions win rates Sion wins against Lulu 2.09% more often than would be expected.
The average opponent winrate against Lulu is 51.77%.


Galio
colosul
Sion wins against Galio 55.50% of the time which is 6.44% higher against Galio than the average opponent.
After normalising both champions win rates Sion wins against Galio 4.97% more often than would be expected.
The average opponent winrate against Galio is 49.06%.


Naafiri
bestia cu o sută de mușcături
Sion wins against Naafiri 55.56% of the time which is 6.42% higher against Naafiri than the average opponent.
After normalising both champions win rates Sion wins against Naafiri 4.95% more often than would be expected.
The average opponent winrate against Naafiri is 49.14%.


Rumble
amenințarea mecanică
Sion wins against Rumble 55.97% of the time which is 4.63% higher against Rumble than the average opponent.
After normalising both champions win rates Sion wins against Rumble 3.16% more often than would be expected.
The average opponent winrate against Rumble is 51.34%.


Lee Sin
călugărul orb
Sion wins against Lee Sin 56.21% of the time which is 1.59% higher against Lee Sin than the average opponent.
After normalising both champions win rates Sion wins against Lee Sin 0.12% more often than would be expected.
The average opponent winrate against Lee Sin is 54.62%.


Wukong
regele maimuțelor
Sion wins against Wukong 56.23% of the time which is 8.12% higher against Wukong than the average opponent.
After normalising both champions win rates Sion wins against Wukong 6.65% more often than would be expected.
The average opponent winrate against Wukong is 48.11%.


Akshan
santinela rebelă
Sion wins against Akshan 58.39% of the time which is 9.94% higher against Akshan than the average opponent.
After normalising both champions win rates Sion wins against Akshan 8.47% more often than would be expected.
The average opponent winrate against Akshan is 48.45%.


Zed
stăpânul umbrelor
Sion wins against Zed 58.57% of the time which is 9.30% higher against Zed than the average opponent.
After normalising both champions win rates Sion wins against Zed 7.83% more often than would be expected.
The average opponent winrate against Zed is 49.27%.


Nidalee
copila junglei
Sion wins against Nidalee 59.01% of the time which is 3.85% higher against Nidalee than the average opponent.
After normalising both champions win rates Sion wins against Nidalee 2.38% more often than would be expected.
The average opponent winrate against Nidalee is 55.16%.


Malzahar
profetul Vidului
Sion wins against Malzahar 61.06% of the time which is 11.76% higher against Malzahar than the average opponent.
After normalising both champions win rates Sion wins against Malzahar 10.29% more often than would be expected.
The average opponent winrate against Malzahar is 49.30%.


Diana
Luna întruchipată
Sion wins against Diana 61.82% of the time which is 9.70% higher against Diana than the average opponent.
After normalising both champions win rates Sion wins against Diana 8.23% more often than would be expected.
The average opponent winrate against Diana is 52.12%.


Senna
salvatoarea
Sion wins against Senna 64.29% of the time which is 12.32% higher against Senna than the average opponent.
After normalising both champions win rates Sion wins against Senna 10.85% more often than would be expected.
The average opponent winrate against Senna is 51.97%.