Sion's win rate against every opponent by role. Sort ↓ for favorable matchups, ↑ for counters. Click a champion to filter runes, summoners, and item builds by that matchup.
Sion's win rate when paired with each teammate by role. Sort ↓ for strongest synergies, ↑ for weakest. Click a champion to filter runes, summoners, and item builds by that pairing.
How Sion's per-minute damage, CC, and heal/shield output compare to other champions in this role. Bars show z-score (0 = role average, ±1 = one stddev). Bayesian-shrunk by games played; pooled across ranks.
Damage dealt to champions
AP damage285 /min-0.93σ
AD damage441 /min+0.65σ
True damage16 /min-0.71σ
Damage taken from champions
AP taken591 /min+3.26σ
AD taken895 /min+3.10σ
True taken105 /min+2.71σ
Utility
Hard CC dealt1.42 sec/min+0.68σ
Heal0 /min-0.09σ
Shield0 /min-0.28σ
A
Tier
Above-average — strong in this roleRating 65.00
Win Rateⓘ
Pick Rate
Ban Rate
Scalingⓘ
Rank Biasⓘ
Worst Matchupⓘ
Best Matchupⓘ
Win Rate by Game Length
Win Rate by Rank
Pick/Ban/Win Rate Over Time
Presence by Rank
Win Rate Distribution
Starter Items
Doran's Shield
91% PR · 52.5% WR
Doran's Blade
4% PR · 52.4% WR
Cull
3% PR · 57.1% WR
Tier 2 Boots
Mercury's Treads
39% PR · 54.3% WR
Plated Steelcaps
39% PR · 52.2% WR
Boots of Swiftness
11% PR · 52.3% WR
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Q
2
4
5
7
9
W
1
8
E
3
R
41.1% PR · 61.5% WR · 46 games
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Q
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Q
Best items on Sion
Highest smoothed win rate among items bought in ≥3% of games.
Win RateⓘBayesian-smoothed: (wins + 25) / (games + 50). Reliable even with small samples.
52.1%↑High compared to other champions in this role
Pick Rate
1.2%↓Low compared to other champions in this role
Ban Rate
1.5%↓Low compared to other champions in this role
Presence by Rank
Pick / ban / P+B rates across the ladder. Rank-agnostic — the rank filter is ignored here.
ScalingⓘWR slope vs game length. Positive = scales well late, negative = falls off. Practical bounds: ±0.03
-0.002
Rank BiasⓘWR slope vs rank. Positive = better in high elo, negative = better in low elo. Practical bounds: ±0.036
-0.003
Worst MatchupⓘWorst lane matchup WR minus this champion's own baseline WR, both Bayesian-smoothed. Tail complement to Matchup Spread — captures champions punished by a small number of extremely spiky lanes that MAD averages out. Closer to 0 = no truly bad lanes (safer blind pick). Min 30 games per opponent, ≥5 well-sampled opponents.
-3.0%
Best MatchupⓘBest lane matchup WR minus this champion's own baseline WR, both Bayesian-smoothed. Higher = stronger counter-pick power against the right opponent. Min 30 games per opponent, ≥5 well-sampled opponents.
Sion's WR vs enemy top. Sort ↓ for Sion's easiest matchups, ↑ for hardest (strongest counters).
Matchup score from Sion's perspective. Z-score (mean 0, SD 1) of the weighted composite 0.70·z(delta) + 0.20·z(games) + 0.10·z(WR), pooled across this opponent role. Positive = favorable matchup, negative = hard matchup (strong counter). Same shape as the item synergy / counter pick / duo rankings.Sion's Bayesian-smoothed win rate against this opponent. (wins + 25) / (games + 50).Bidirectional matchup delta: avg of Sion's gain over its baseline and the opponent's loss against its own. Positive = lopsided in Sion's favor. Hover a row for the per-side breakdown.Number of games observed. More games = more reliable WR.
GnarFilter
+4.1860.0%+7.3%60
YoneFilter
+1.4954.8%+2.3%54
IllaoiFilter
+1.3456.8%+4.7%24
FioraFilter
+1.2556.8%+4.2%24
Cho'GathFilter
+1.2057.1%+5.0%20
YasuoFilter
+1.1657.4%+5.4%18
JaxFilter
+1.1255.0%+3.1%30
GarenFilter
+0.8152.5%+1.3%49
JayceFilter
+0.6653.6%+1.2%34
QuinnFilter
+0.6155.7%+4.5%11
NasusFilter
+0.5954.3%+2.0%20
ZaahenFilter
+0.5753.0%+1.1%33
YorickFilter
+0.5054.2%+1.3%22
GangplankFilter
+0.4852.6%+1.3%26
KledFilter
+0.4853.0%+2.4%16
TeemoFilter
+0.4452.9%+1.5%20
VarusFilter
+0.4253.3%+0.8%25
AkaliFilter
+0.3655.0%+2.4%10
UrgotFilter
+0.3452.2%+1.4%17
ZedFilter
+0.2452.5%+2.1%9
GragasFilter
+0.2352.3%+0.8%15
KennenFilter
+0.1651.6%+0.6%14
HeimerdingerFilter
+0.1052.5%+0.2%9
TrundleFilter
+0.0452.4%-0.7%13
CamilleFilter
-0.0350.8%-0.9%11
MalzaharFilter
-0.0650.0%-1.0%10
VladimirFilter
-0.1150.0%-2.0%8
OlafFilter
-0.1250.0%-1.2%18
DariusFilter
-0.1950.9%-1.1%62
AniviaFilter
-0.1948.3%-2.5%8
RivenFilter
-0.3250.0%-1.9%26
TryndamereFilter
-0.3649.3%-2.3%21
KayleFilter
-0.3849.4%-1.8%31
Dr. MundoFilter
-0.3950.0%-1.9%32
MordekaiserFilter
-0.4651.1%-2.2%42
PoppyFilter
-0.4845.8%-5.2%9
GwenFilter
-0.4950.0%-1.8%48
ShenFilter
-0.5648.9%-1.8%44
K'SanteFilter
-0.5850.0%-2.9%30
MalphiteFilter
-0.6248.7%-3.0%26
VayneFilter
-0.8349.5%-2.6%51
RumbleFilter
-0.9048.8%-3.7%32
OrnnFilter
-1.0345.7%-5.4%20
Xin ZhaoFilter
-1.1043.8%-7.8%14
AmbessaFilter
-1.1147.3%-5.4%24
RenektonFilter
-1.1448.2%-4.2%35
SingedFilter
-1.3645.3%-5.8%25
AatroxFilter
-1.4049.1%-3.4%66
VolibearFilter
-1.4044.1%-8.1%18
IreliaFilter
-1.4646.4%-5.0%34
SettFilter
-1.6745.7%-6.1%31
jungle
Sion's WR vs enemy jungle. Sort ↓ for Sion's easiest matchups, ↑ for hardest (strongest counters).
Matchup score from Sion's perspective. Z-score (mean 0, SD 1) of the weighted composite 0.70·z(delta) + 0.20·z(games) + 0.10·z(WR), pooled across this opponent role. Positive = favorable matchup, negative = hard matchup (strong counter). Same shape as the item synergy / counter pick / duo rankings.Sion's Bayesian-smoothed win rate against this opponent. (wins + 25) / (games + 50).Bidirectional matchup delta: avg of Sion's gain over its baseline and the opponent's loss against its own. Positive = lopsided in Sion's favor. Hover a row for the per-side breakdown.Number of games observed. More games = more reliable WR.
GravesFilter
+4.6559.0%+7.0%89
RengarFilter
+1.9057.8%+6.0%33
WarwickFilter
+1.2056.9%+5.5%22
EkkoFilter
+1.0255.3%+2.8%35
Xin ZhaoFilter
+0.9553.8%+1.7%56
DianaFilter
+0.9456.3%+4.4%21
Lee SinFilter
+0.8552.2%+0.8%130
ZedFilter
+0.7657.1%+3.2%20
LilliaFilter
+0.6953.7%+2.2%32
WukongFilter
+0.6555.2%+3.9%17
ViFilter
+0.5653.4%+1.3%38
EvelynnFilter
+0.5353.2%+2.1%27
KindredFilter
+0.3152.6%+1.2%26
HecarimFilter
+0.2953.2%+0.8%27
SylasFilter
+0.2452.2%+0.4%42
FiddlesticksFilter
+0.2253.1%+1.7%14
AmbessaFilter
+0.1853.1%+0.1%31
JaxFilter
+0.1753.3%+2.0%10
ShyvanaFilter
+0.0851.6%-0.0%41
Bel'VethFilter
+0.0450.8%+0.7%15
KarthusFilter
+0.0252.3%+0.1%15
NaafiriFilter
-0.0051.5%-0.3%47
UdyrFilter
-0.0151.7%+0.5%8
AatroxFilter
-0.0350.8%+0.4%9
AmumuFilter
-0.0950.8%-0.5%9
MalphiteFilter
-0.1352.5%-1.6%9
SkarnerFilter
-0.1550.0%-0.9%10
PantheonFilter
-0.1950.7%-0.9%23
BrandFilter
-0.2350.8%-2.4%9
ShacoFilter
-0.2750.6%-1.0%33
TaliyahFilter
-0.2749.2%-2.4%9
QiyanaFilter
-0.3250.0%-2.6%12
SejuaniFilter
-0.3449.2%-2.7%11
EliseFilter
-0.3850.0%-2.4%16
Jarvan IVFilter
-0.4450.9%-1.4%56
Nunu & WillumpFilter
-0.4747.6%-3.1%13
JayceFilter
-0.6549.3%-4.1%17
NocturneFilter
-0.6649.5%-1.5%61
BriarFilter
-0.6748.5%-3.9%18
RammusFilter
-0.6947.9%-3.2%21
Rek'SaiFilter
-0.7348.1%-2.7%27
ZacFilter
-0.7647.8%-4.5%17
ViegoFilter
-0.7650.4%-1.9%67
IvernFilter
-1.0445.6%-5.6%18
Master YiFilter
-1.1548.5%-3.0%47
KaynFilter
-1.3647.7%-4.4%36
TalonFilter
-1.4048.1%-3.3%54
NidaleeFilter
-1.5144.6%-6.4%24
Kha'ZixFilter
-1.5447.1%-4.8%37
mid
Sion's WR vs enemy mid. Sort ↓ for Sion's easiest matchups, ↑ for hardest (strongest counters).
Matchup score from Sion's perspective. Z-score (mean 0, SD 1) of the weighted composite 0.70·z(delta) + 0.20·z(games) + 0.10·z(WR), pooled across this opponent role. Positive = favorable matchup, negative = hard matchup (strong counter). Same shape as the item synergy / counter pick / duo rankings.Sion's Bayesian-smoothed win rate against this opponent. (wins + 25) / (games + 50).Bidirectional matchup delta: avg of Sion's gain over its baseline and the opponent's loss against its own. Positive = lopsided in Sion's favor. Hover a row for the per-side breakdown.Number of games observed. More games = more reliable WR.
MalzaharFilter
+4.8261.8%+9.9%102
SylasFilter
+1.5157.3%+5.0%46
SyndraFilter
+1.2157.3%+5.6%32
YasuoFilter
+0.9956.0%+3.3%41
NaafiriFilter
+0.8556.9%+5.5%22
MelFilter
+0.7658.1%+3.8%24
LuxFilter
+0.5855.7%+3.8%20
DianaFilter
+0.5255.2%+4.3%17
RyzeFilter
+0.4454.2%+1.4%33
QiyanaFilter
+0.3852.9%+1.3%35
JayceFilter
+0.3254.7%+3.0%14
Aurelion SolFilter
+0.2555.0%+3.2%10
KassadinFilter
+0.2453.7%+1.5%17
AkshanFilter
+0.2052.9%+1.0%20
AzirFilter
+0.1553.5%+0.3%21
TaliyahFilter
+0.1452.1%+0.6%21
ViktorFilter
+0.1351.6%-0.2%76
PantheonFilter
+0.0950.8%+1.9%9
SmolderFilter
+0.0654.2%+0.1%9
VexFilter
+0.0251.4%-0.3%22
IreliaFilter
+0.0151.5%-0.3%16
LeBlancFilter
-0.0551.2%-0.8%34
CassiopeiaFilter
-0.0950.0%-1.9%8
BrandFilter
-0.1450.0%-2.0%12
EkkoFilter
-0.1450.0%-1.4%20
SwainFilter
-0.1449.2%-2.5%9
VeigarFilter
-0.1549.2%-2.2%11
TalonFilter
-0.2350.0%-2.0%24
AuroraFilter
-0.2450.6%-1.8%35
AniviaFilter
-0.3150.0%-2.1%32
FizzFilter
-0.3847.9%-3.0%21
AnnieFilter
-0.4447.9%-3.2%23
AhriFilter
-0.4849.6%-1.9%63
Twisted FateFilter
-0.4848.2%-2.6%33
GalioFilter
-0.4948.7%-3.5%26
XerathFilter
-0.5048.9%-2.6%38
KatarinaFilter
-0.6448.5%-2.6%51
VladimirFilter
-0.6646.5%-5.1%21
YoneFilter
-0.7150.0%-3.2%56
HweiFilter
-0.7545.6%-6.7%18
ZoeFilter
-0.8647.1%-4.4%35
OriannaFilter
-0.8948.3%-4.8%37
ZedFilter
-1.0348.8%-3.4%73
AkaliFilter
-1.8844.0%-8.3%41
LissandraFilter
-1.9740.7%-10.5%31
adc
Sion's WR vs enemy adc. Sort ↓ for Sion's easiest matchups, ↑ for hardest (strongest counters).
Matchup score from Sion's perspective. Z-score (mean 0, SD 1) of the weighted composite 0.70·z(delta) + 0.20·z(games) + 0.10·z(WR), pooled across this opponent role. Positive = favorable matchup, negative = hard matchup (strong counter). Same shape as the item synergy / counter pick / duo rankings.Sion's Bayesian-smoothed win rate against this opponent. (wins + 25) / (games + 50).Bidirectional matchup delta: avg of Sion's gain over its baseline and the opponent's loss against its own. Positive = lopsided in Sion's favor. Hover a row for the per-side breakdown.Number of games observed. More games = more reliable WR.
VarusFilter
+2.7463.9%+11.7%47
JhinFilter
+1.8756.2%+3.6%144
Kai'SaFilter
+1.8757.2%+4.2%109
YunaraFilter
+1.7358.1%+5.1%74
EzrealFilter
+1.3655.5%+2.3%159
Miss FortuneFilter
+1.0657.0%+5.1%43
DravenFilter
+0.7856.3%+4.3%37
TristanaFilter
+0.3254.4%+2.5%29
ZeriFilter
+0.0753.8%+2.0%15
LuxFilter
+0.0252.4%+2.2%13
SennaFilter
-0.0151.8%+0.6%33
KarthusFilter
-0.0252.5%+2.4%9
BrandFilter
-0.0651.7%+1.7%8
TwitchFilter
-0.1051.3%+0.2%28
CorkiFilter
-0.1052.1%-0.0%21
NilahFilter
-0.1950.8%-0.9%11
Kog'MawFilter
-0.1950.0%-0.6%12
SivirFilter
-0.2751.2%-1.1%32
VeigarFilter
-0.2749.2%-2.0%11
SeraphineFilter
-0.3147.5%-2.9%9
SwainFilter
-0.3147.5%-3.0%9
KalistaFilter
-0.3349.2%-2.7%13
ZiggsFilter
-0.3747.5%-3.4%11
CaitlynFilter
-0.5050.8%-1.5%74
MelFilter
-0.5247.6%-5.4%13
AsheFilter
-0.6650.0%-1.4%122
LucianFilter
-0.7050.4%-2.1%81
JinxFilter
-0.7249.2%-2.0%70
ApheliosFilter
-0.8748.9%-4.2%38
XayahFilter
-0.8946.1%-5.3%26
VayneFilter
-1.4045.5%-6.6%38
SamiraFilter
-1.4143.6%-8.5%28
SmolderFilter
-1.6246.9%-3.9%93
support
Sion's WR vs enemy support. Sort ↓ for Sion's easiest matchups, ↑ for hardest (strongest counters).
Matchup score from Sion's perspective. Z-score (mean 0, SD 1) of the weighted composite 0.70·z(delta) + 0.20·z(games) + 0.10·z(WR), pooled across this opponent role. Positive = favorable matchup, negative = hard matchup (strong counter). Same shape as the item synergy / counter pick / duo rankings.Sion's Bayesian-smoothed win rate against this opponent. (wins + 25) / (games + 50).Bidirectional matchup delta: avg of Sion's gain over its baseline and the opponent's loss against its own. Positive = lopsided in Sion's favor. Hover a row for the per-side breakdown.Number of games observed. More games = more reliable WR.
PykeFilter
+2.2757.6%+5.5%49
LeonaFilter
+2.2258.2%+6.3%41
KarmaFilter
+1.9355.6%+3.2%76
NeekoFilter
+1.7261.4%+9.0%20
ThreshFilter
+1.4053.4%+1.9%96
BraumFilter
+0.9854.7%+2.8%36
PantheonFilter
+0.5154.9%+1.7%21
YuumiFilter
+0.3753.4%+0.3%38
XerathFilter
+0.3654.2%+0.8%22
BlitzcrankFilter
+0.2651.8%+0.4%35
ZoeFilter
+0.2354.2%+1.6%9
ZyraFilter
+0.1952.9%+0.2%18
ZileanFilter
+0.1751.4%+0.4%20
EliseFilter
+0.1452.1%-0.0%21
MelFilter
+0.0955.0%-0.9%10
MaokaiFilter
+0.0851.5%-0.1%16
SonaFilter
+0.0651.2%-0.3%32
CamilleFilter
+0.0251.7%-0.8%8
SwainFilter
+0.0052.2%-1.1%17
BardFilter
-0.0450.9%-0.6%58
Vel'KozFilter
-0.0450.7%-0.9%21
NautilusFilter
-0.1551.2%-1.0%73
Tahm KenchFilter
-0.2849.2%-2.9%15
ShacoFilter
-0.2950.0%-3.5%14
LuxFilter
-0.3050.7%-2.4%25
MorganaFilter
-0.3350.0%-2.4%24
BrandFilter
-0.4849.4%-2.9%27
LuluFilter
-0.5350.8%-1.7%82
SorakaFilter
-0.5349.5%-2.3%41
NamiFilter
-0.5850.6%-1.6%108
JannaFilter
-0.6648.9%-2.6%42
AlistarFilter
-0.8148.9%-3.4%38
SeraphineFilter
-1.1748.4%-2.8%74
MilioFilter
-1.5446.8%-5.2%44
RellFilter
-1.5745.9%-4.7%48
SennaFilter
-1.8346.3%-4.8%58
RakanFilter
-1.8544.0%-7.2%34
top
Sion's WR when this ally plays top. Sort ↓ Score for best synergies, ↑ for worst.
Synergy score from Sion's perspective. Per-result-set z-score (mean 0, SD 1) of the weighted composite 0.70·z(delta) + 0.20·z(games) + 0.10·z(WR). Positive = ally helps Sion, negative = ally drags Sion down. Same shape as the item synergy / counter pick / duo rankings + matchup tables.Sion's Bayesian-smoothed win rate when paired with this ally.Bidirectional synergy delta: avg of Sion's gain over their baseline and the ally's gain over theirs. High = both benefit from the pairing. Hover a row for the per-side breakdown.Number of games played together.
YoneFilter
324.158.5%+8.3%63
KennenFilter
198.560.6%+8.8%29
DariusFilter
186.856.4%+5.6%50
VarusFilter
184.358.0%+7.8%33
MordekaiserFilter
146.254.3%+4.8%49
RivenFilter
119.456.1%+5.2%31
TeemoFilter
112.354.4%+3.0%56
GarenFilter
110.055.2%+3.6%42
AuroraFilter
104.856.8%+5.9%23
GragasFilter
58.854.0%+2.7%29
ShenFilter
53.254.8%+2.8%23
JayceFilter
53.152.1%+1.7%54
NasusFilter
46.954.1%+3.6%17
OlafFilter
46.854.9%+3.3%17
IreliaFilter
46.153.0%+1.6%40
SettFilter
46.053.1%+2.1%30
YorickFilter
32.251.9%+2.1%25
CassiopeiaFilter
29.153.5%+3.2%12
QuinnFilter
25.953.4%+1.9%17
KledFilter
24.553.9%+1.8%15
RenektonFilter
19.651.4%+1.1%34
ZaahenFilter
16.552.0%+1.2%20
AniviaFilter
15.852.7%+0.8%22
RyzeFilter
5.252.4%+0.3%15
VolibearFilter
5.151.1%+0.6%19
Dr. MundoFilter
5.051.3%+0.5%19
PantheonFilter
4.851.4%+0.6%13
SingedFilter
1.551.6%+0.1%29
TrundleFilter
-4.149.8%+0.1%12
WarwickFilter
-5.050.7%-0.2%16
K'SanteFilter
-6.049.9%+0.0%20
UrgotFilter
-12.150.8%-1.2%13
Xin ZhaoFilter
-14.250.1%-1.0%15
CamilleFilter
-17.550.0%-1.0%19
Twisted FateFilter
-22.549.2%-1.8%14
SylasFilter
-22.649.1%-1.8%14
PoppyFilter
-25.749.0%-2.8%11
OrnnFilter
-28.550.4%-1.2%31
YasuoFilter
-29.349.9%-0.9%37
Cho'GathFilter
-31.649.0%-1.6%22
IllaoiFilter
-33.849.1%-1.6%24
Tahm KenchFilter
-37.046.4%-3.1%12
BrandFilter
-40.448.2%-4.6%11
KayleFilter
-41.550.3%-1.3%47
AkaliFilter
-43.849.0%-1.2%40
HeimerdingerFilter
-45.048.2%-2.2%23
AatroxFilter
-63.248.5%-1.7%45
VayneFilter
-65.148.7%-1.9%43
VladimirFilter
-70.748.0%-2.7%32
FioraFilter
-76.446.9%-3.3%27
JaxFilter
-103.047.8%-3.0%47
TryndamereFilter
-125.446.7%-4.5%37
GnarFilter
-127.145.1%-4.9%32
GangplankFilter
-139.747.9%-3.4%62
MalphiteFilter
-142.246.1%-5.0%38
AmbessaFilter
-177.744.7%-5.3%44
GwenFilter
-186.744.2%-6.7%37
RumbleFilter
-284.543.2%-7.0%59
jungle
Sion's WR when this ally plays jungle. Sort ↓ Score for best synergies, ↑ for worst.
Synergy score from Sion's perspective. Per-result-set z-score (mean 0, SD 1) of the weighted composite 0.70·z(delta) + 0.20·z(games) + 0.10·z(WR). Positive = ally helps Sion, negative = ally drags Sion down. Same shape as the item synergy / counter pick / duo rankings + matchup tables.Sion's Bayesian-smoothed win rate when paired with this ally.Bidirectional synergy delta: avg of Sion's gain over their baseline and the ally's gain over theirs. High = both benefit from the pairing. Hover a row for the per-side breakdown.Number of games played together.
KaynFilter
305.157.4%+6.8%69
GravesFilter
198.554.4%+3.8%94
Master YiFilter
195.756.3%+5.2%54
BriarFilter
184.957.1%+6.9%36
NidaleeFilter
150.155.1%+3.5%64
LilliaFilter
99.754.3%+3.2%45
KindredFilter
91.855.0%+3.9%31
Nunu & WillumpFilter
65.455.5%+3.6%22
ShyvanaFilter
64.653.1%+2.2%45
EvelynnFilter
60.953.7%+2.3%37
FiddlesticksFilter
43.153.3%+2.1%28
JayceFilter
29.351.5%+2.3%23
BrandFilter
16.352.0%+2.6%11
Xin ZhaoFilter
10.851.2%+0.7%56
Rek'SaiFilter
10.552.4%+0.6%30
NaafiriFilter
8.551.3%+0.6%54
GwenFilter
8.452.7%+1.5%10
QiyanaFilter
7.551.7%+1.7%10
TalonFilter
4.551.6%+0.4%52
VolibearFilter
1.450.0%+1.0%19
ZyraFilter
-2.851.4%+0.2%29
EkkoFilter
-3.250.5%+0.4%53
SkarnerFilter
-7.951.3%-0.3%12
IvernFilter
-10.351.1%-0.3%16
ZedFilter
-10.949.1%+0.4%22
TaliyahFilter
-11.350.8%-0.3%18
Bel'VethFilter
-15.251.3%-1.3%11
RengarFilter
-17.350.5%-0.3%30
ShacoFilter
-21.550.6%-0.4%36
Jarvan IVFilter
-22.350.1%-0.1%48
AmumuFilter
-26.149.4%-1.9%12
AmbessaFilter
-27.049.1%-0.5%25
WarwickFilter
-28.050.1%-1.1%23
ZacFilter
-32.248.8%-1.6%16
HecarimFilter
-32.749.5%-0.7%33
SylasFilter
-36.950.3%-0.5%68
Kha'ZixFilter
-43.449.8%-0.8%47
FizzFilter
-44.347.4%-3.4%12
NocturneFilter
-44.550.7%-0.9%62
DianaFilter
-58.449.3%-1.4%42
PantheonFilter
-58.647.8%-3.2%18
EliseFilter
-70.748.4%-1.8%39
WukongFilter
-74.648.2%-3.1%26
UdyrFilter
-108.847.0%-4.3%28
ViFilter
-128.146.0%-4.5%31
ViegoFilter
-129.948.1%-2.2%73
KarthusFilter
-166.345.9%-4.4%44
Lee SinFilter
-323.946.5%-4.7%119
adc
Sion's WR when this ally plays adc. Sort ↓ Score for best synergies, ↑ for worst.
Synergy score from Sion's perspective. Per-result-set z-score (mean 0, SD 1) of the weighted composite 0.70·z(delta) + 0.20·z(games) + 0.10·z(WR). Positive = ally helps Sion, negative = ally drags Sion down. Same shape as the item synergy / counter pick / duo rankings + matchup tables.Sion's Bayesian-smoothed win rate when paired with this ally.Bidirectional synergy delta: avg of Sion's gain over their baseline and the ally's gain over theirs. High = both benefit from the pairing. Hover a row for the per-side breakdown.Number of games played together.
AsheFilter
201.955.8%+4.4%152
ZiggsFilter
94.056.9%+5.1%36
VarusFilter
81.253.7%+3.2%64
Kai'SaFilter
76.052.5%+2.8%85
XayahFilter
74.055.4%+4.1%36
SennaFilter
63.354.4%+2.9%47
LuxFilter
56.256.3%+3.8%25
SivirFilter
54.253.9%+3.5%32
TwitchFilter
51.854.3%+2.7%38
CaitlynFilter
49.252.1%+1.7%100
ZeriFilter
43.653.2%+2.3%43
TristanaFilter
41.953.7%+2.9%29
SeraphineFilter
38.957.7%+5.3%11
YunaraFilter
38.351.7%+2.0%58
Kog'MawFilter
36.955.0%+2.9%21
SmolderFilter
31.352.7%+0.8%153
MelFilter
24.952.9%+3.2%14
KalistaFilter
21.154.0%+3.2%10
Miss FortuneFilter
18.451.8%+1.0%55
SamiraFilter
12.051.6%+0.9%34
JinxFilter
9.852.0%+0.4%88
VladimirFilter
6.051.3%+0.7%11
KarthusFilter
1.952.1%-0.4%10
Aurelion SolFilter
1.751.8%-0.4%10
CorkiFilter
-1.450.4%-0.1%16
HweiFilter
-4.649.9%-1.0%11
BrandFilter
-5.452.2%-0.5%35
YasuoFilter
-10.650.4%-2.1%12
SwainFilter
-13.150.2%-2.1%14
XerathFilter
-23.848.6%-2.5%17
VayneFilter
-24.949.8%-0.8%45
CassiopeiaFilter
-25.849.0%-3.7%14
VeigarFilter
-29.448.1%-3.4%16
NilahFilter
-34.546.9%-4.1%15
ApheliosFilter
-61.046.9%-2.7%37
LucianFilter
-71.748.5%-1.7%78
DravenFilter
-126.444.9%-5.8%42
JhinFilter
-259.445.2%-4.9%147
EzrealFilter
-436.341.8%-7.7%179
support
Sion's WR when this ally plays support. Sort ↓ Score for best synergies, ↑ for worst.
Synergy score from Sion's perspective. Per-result-set z-score (mean 0, SD 1) of the weighted composite 0.70·z(delta) + 0.20·z(games) + 0.10·z(WR). Positive = ally helps Sion, negative = ally drags Sion down. Same shape as the item synergy / counter pick / duo rankings + matchup tables.Sion's Bayesian-smoothed win rate when paired with this ally.Bidirectional synergy delta: avg of Sion's gain over their baseline and the ally's gain over theirs. High = both benefit from the pairing. Hover a row for the per-side breakdown.Number of games played together.
Tank
Fighter
