Cassiopeia'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.
Cassiopeia'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 Cassiopeia'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 damage805 /min+1.62σ
AD damage18 /min-1.55σ
True damage20 /min-0.61σ
Damage taken from champions
AP taken379 /min-0.05σ
AD taken585 /min-0.56σ
True taken54 /min-1.01σ
Utility
Hard CC dealt1.06 sec/min+0.21σ
Heal0 /min-0.13σ
Shield0 /min-0.19σ
Starter Items
Doran's Ring
83% PR · 49.0% WR
Tear of the Goddess
17% PR · 45.5% WR
Tier 2 Boots
Boots of Swiftness
63% PR · 48.3% WR
Sorcerer's Shoes
14% PR · 46.4% WR
Plated Steelcaps
9% PR · 50.3% WR
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36.3% PR · 54.7% WR · 111 games
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Q
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Q
Best items on Cassiopeia
Highest smoothed win rate among items bought in ≥3% of games.
Win RateⓘBayesian-smoothed: (wins + 25) / (games + 50). Reliable even with small samples.
49.1%↓Low compared to other champions in this role
Pick Rate
1.0%↓Low compared to other champions in this role
Ban Rate
2.0%↓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
-0.000
Rank BiasⓘWR slope vs rank. Positive = better in high elo, negative = better in low elo. Practical bounds: ±0.036
0.006
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.
—
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.
—
Win Rate by Game Length
Slope: -0.000
Win Rate by Rank
Slope: 0.006
Win Rate Distribution
54 opponents
Q1: 47.3%Median: 50.7%Q3: 53.0%IQR: 5.6%
·Average compared to other champions in this role
↑High compared to other champions in this role
top
Cassiopeia's WR vs enemy top. Sort ↓ for Cassiopeia's easiest matchups, ↑ for hardest (strongest counters).
Matchup score from Cassiopeia'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.Cassiopeia's Bayesian-smoothed win rate against this opponent. (wins + 25) / (games + 50).Bidirectional matchup delta: avg of Cassiopeia's gain over its baseline and the opponent's loss against its own. Positive = lopsided in Cassiopeia's favor. Hover a row for the per-side breakdown.Number of games observed. More games = more reliable WR.
GnarFilter
+2.3459.5%+8.4%24
TeemoFilter
+2.2855.8%+6.1%36
VladimirFilter
+1.5057.4%+7.0%18
JaxFilter
+1.3654.3%+4.0%31
KayleFilter
+1.3255.9%+6.3%18
RumbleFilter
+1.2355.6%+4.7%22
OrnnFilter
+1.1653.1%+3.6%31
GangplankFilter
+0.9453.4%+3.7%23
AuroraFilter
+0.8555.6%+5.3%13
MordekaiserFilter
+0.7354.2%+2.5%22
JayceFilter
+0.6652.2%+1.4%40
ShenFilter
+0.6051.3%+2.1%28
RivenFilter
+0.5053.1%+2.8%14
UrgotFilter
+0.5053.3%+4.1%10
SingedFilter
+0.4852.3%+2.7%15
SylasFilter
+0.4654.2%+4.0%9
RenektonFilter
+0.3752.1%+1.2%23
YorickFilter
+0.3453.2%+1.9%12
FioraFilter
+0.3152.2%+1.3%17
CamilleFilter
+0.2952.5%+2.4%9
KledFilter
+0.2250.8%+1.8%11
QiyanaFilter
+0.2151.7%+2.0%8
PantheonFilter
+0.2151.6%+1.2%12
YoneFilter
+0.1851.1%+0.2%38
KennenFilter
+0.1650.8%+1.5%9
TryndamereFilter
+0.1550.8%+0.8%15
RyzeFilter
+0.1150.0%+1.0%10
Tahm KenchFilter
+0.0751.7%+0.1%10
VayneFilter
+0.0750.5%+0.1%41
Xin ZhaoFilter
+0.0150.0%+0.0%12
GwenFilter
+0.0150.0%-0.2%6
Cho'GathFilter
-0.0450.0%-0.6%10
Dr. MundoFilter
-0.0450.0%-0.4%16
TrundleFilter
-0.0650.0%-1.5%6
IllaoiFilter
-0.0949.1%-1.3%7
VarusFilter
-0.1950.0%-1.0%24
AniviaFilter
-0.2447.5%-1.7%11
ZaahenFilter
-0.3546.6%-3.8%8
OlafFilter
-0.3747.8%-1.8%17
VolibearFilter
-0.3746.6%-4.1%8
YasuoFilter
-0.3948.6%-1.8%20
SettFilter
-0.4146.7%-3.5%10
SionFilter
-0.6048.8%-1.8%34
QuinnFilter
-0.7743.3%-6.3%10
AkaliFilter
-0.8847.2%-3.8%22
IreliaFilter
-1.0547.1%-2.8%35
NasusFilter
-1.1344.8%-5.9%17
AmbessaFilter
-1.3246.9%-4.2%31
GragasFilter
-1.5242.6%-7.3%18
DariusFilter
-1.5445.7%-4.7%31
MalphiteFilter
-1.7744.2%-5.9%27
K'SanteFilter
-1.7845.7%-5.6%31
AatroxFilter
-1.8546.0%-5.0%37
GarenFilter
-2.8340.3%-9.4%27
jungle
Cassiopeia's WR vs enemy jungle. Sort ↓ for Cassiopeia's easiest matchups, ↑ for hardest (strongest counters).
Matchup score from Cassiopeia'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.Cassiopeia's Bayesian-smoothed win rate against this opponent. (wins + 25) / (games + 50).Bidirectional matchup delta: avg of Cassiopeia's gain over its baseline and the opponent's loss against its own. Positive = lopsided in Cassiopeia's favor. Hover a row for the per-side breakdown.Number of games observed. More games = more reliable WR.
NaafiriFilter
+4.8760.6%+10.3%54
GravesFilter
+2.1954.2%+3.7%70
Kha'ZixFilter
+1.9555.6%+5.1%40
NocturneFilter
+1.4553.2%+3.7%44
Xin ZhaoFilter
+1.1952.9%+2.3%54
ZacFilter
+0.6655.6%+4.8%13
KindredFilter
+0.6152.8%+2.9%22
KaynFilter
+0.4351.9%+1.3%31
PantheonFilter
+0.3252.3%+2.3%15
EliseFilter
+0.3054.2%+3.3%9
BriarFilter
+0.2552.2%+1.4%17
TaliyahFilter
+0.1753.6%+3.5%6
ShyvanaFilter
+0.1550.6%+0.5%29
SejuaniFilter
+0.1252.6%+2.2%7
Rek'SaiFilter
+0.1050.0%+0.7%22
JaxFilter
+0.0450.8%+1.1%9
RammusFilter
+0.0350.9%+1.3%7
Bel'VethFilter
+0.0349.3%+0.8%17
QiyanaFilter
+0.0251.7%+0.6%8
KarthusFilter
-0.0150.8%+0.1%13
WukongFilter
-0.0350.0%+0.2%12
GwenFilter
-0.0650.0%+0.1%6
NidaleeFilter
-0.0949.3%-0.1%19
SkarnerFilter
-0.1049.2%-0.2%13
AmumuFilter
-0.1249.1%-0.6%7
WarwickFilter
-0.1449.2%-0.7%9
Dr. MundoFilter
-0.1450.0%-1.5%6
FiddlesticksFilter
-0.1649.3%-0.6%19
LilliaFilter
-0.1749.3%-0.7%19
Nunu & WillumpFilter
-0.1848.4%-0.8%12
ShacoFilter
-0.2049.3%-0.8%21
ZyraFilter
-0.2348.3%-1.5%10
ZaahenFilter
-0.2348.3%-1.6%10
RengarFilter
-0.2549.4%-1.0%27
ZedFilter
-0.3249.2%-3.2%9
JayceFilter
-0.3448.3%-3.6%8
TalonFilter
-0.3548.8%-1.0%36
BrandFilter
-0.4046.4%-5.3%6
Jarvan IVFilter
-0.4449.5%-1.3%49
EvelynnFilter
-0.4846.9%-2.8%14
TeemoFilter
-0.4946.6%-5.3%8
EkkoFilter
-0.6147.8%-3.1%19
ViFilter
-0.7147.1%-3.4%20
DianaFilter
-0.7647.3%-3.1%24
IvernFilter
-0.7643.3%-6.3%10
AmbessaFilter
-0.7748.9%-2.6%38
ViegoFilter
-0.8748.5%-2.3%47
Master YiFilter
-1.0047.2%-2.8%39
SylasFilter
-1.0946.1%-4.2%26
Lee SinFilter
-1.5347.2%-2.7%73
HecarimFilter
-1.8344.3%-6.6%29
mid
Cassiopeia's WR vs enemy mid. Sort ↓ for Cassiopeia's easiest matchups, ↑ for hardest (strongest counters).
Matchup score from Cassiopeia'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.Cassiopeia's Bayesian-smoothed win rate against this opponent. (wins + 25) / (games + 50).Bidirectional matchup delta: avg of Cassiopeia's gain over its baseline and the opponent's loss against its own. Positive = lopsided in Cassiopeia's favor. Hover a row for the per-side breakdown.Number of games observed. More games = more reliable WR.
AhriFilter
+3.6759.0%+8.9%50
SyndraFilter
+2.0355.9%+5.5%43
AkaliFilter
+1.2854.3%+3.4%42
HweiFilter
+1.2154.7%+3.7%36
ZoeFilter
+1.0154.7%+4.5%25
YasuoFilter
+0.9653.7%+2.3%45
ZedFilter
+0.9253.2%+2.4%44
NaafiriFilter
+0.7454.3%+4.2%20
OriannaFilter
+0.6853.1%+1.5%46
GalioFilter
+0.5253.5%+2.7%21
BrandFilter
+0.5154.7%+4.0%14
TaliyahFilter
+0.4853.8%+3.7%15
SylasFilter
+0.4752.3%+1.4%36
Twisted FateFilter
+0.4253.1%+3.7%14
VeigarFilter
+0.3953.0%+3.0%16
AzirFilter
+0.1952.9%+1.0%18
MelFilter
+0.1853.6%+0.6%19
DianaFilter
+0.1851.6%+2.0%14
NeekoFilter
+0.1151.8%+3.8%6
LuxFilter
+0.1151.5%+1.0%18
IreliaFilter
+0.1151.5%+1.1%16
QiyanaFilter
+0.0350.7%+0.4%25
TalonFilter
-0.0450.8%+0.2%15
ViktorFilter
-0.1850.0%-0.4%50
EkkoFilter
-0.2249.3%-0.7%19
Xin ZhaoFilter
-0.2248.2%-1.9%6
KayleFilter
-0.2548.3%-1.8%8
VladimirFilter
-0.2749.3%-0.9%25
FizzFilter
-0.2848.5%-1.0%18
YoneFilter
-0.3050.6%-1.2%35
KassadinFilter
-0.3349.3%-1.6%19
AkshanFilter
-0.3648.4%-2.0%14
JayceFilter
-0.4047.5%-2.8%11
MalphiteFilter
-0.4245.6%-4.4%7
RyzeFilter
-0.4949.3%-2.1%25
Aurelion SolFilter
-0.5346.8%-3.7%12
AnnieFilter
-0.8246.7%-3.1%25
VexFilter
-1.0943.9%-6.4%16
KatarinaFilter
-1.1246.5%-3.2%36
AuroraFilter
-1.1745.9%-5.1%24
XerathFilter
-1.2845.6%-4.5%29
LeBlancFilter
-1.4643.7%-6.9%21
LissandraFilter
-1.4844.0%-5.9%25
AniviaFilter
-1.5643.8%-6.9%23
MalzaharFilter
-1.9240.6%-10.0%19
adc
Cassiopeia's WR vs enemy adc. Sort ↓ for Cassiopeia's easiest matchups, ↑ for hardest (strongest counters).
Matchup score from Cassiopeia'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.Cassiopeia's Bayesian-smoothed win rate against this opponent. (wins + 25) / (games + 50).Bidirectional matchup delta: avg of Cassiopeia's gain over its baseline and the opponent's loss against its own. Positive = lopsided in Cassiopeia's favor. Hover a row for the per-side breakdown.Number of games observed. More games = more reliable WR.
Kai'SaFilter
+4.3760.3%+8.9%71
SmolderFilter
+1.4952.0%+2.9%98
SamiraFilter
+0.8953.5%+3.1%36
LucianFilter
+0.8552.6%+1.8%64
KalistaFilter
+0.4654.0%+3.7%13
Kog'MawFilter
+0.3453.4%+4.5%8
XerathFilter
+0.3254.4%+4.5%7
Aurelion SolFilter
+0.2552.6%+3.7%7
TristanaFilter
+0.2451.3%+1.1%26
SeraphineFilter
+0.2251.7%+3.0%8
HweiFilter
+0.2253.6%+3.4%6
VayneFilter
+0.2051.4%+0.9%24
ApheliosFilter
+0.1851.9%+0.5%29
CorkiFilter
+0.1851.5%+1.0%18
NilahFilter
+0.1451.7%+1.7%8
YasuoFilter
+0.0349.1%+0.6%7
SivirFilter
+0.0150.6%-0.1%29
VladimirFilter
-0.0150.0%-0.4%10
SwainFilter
-0.0548.3%-0.4%10
TwitchFilter
-0.0749.4%-0.1%29
VarusFilter
-0.1150.0%-0.5%28
VeigarFilter
-0.1347.4%-2.1%7
KarthusFilter
-0.1946.7%-1.8%10
ZiggsFilter
-0.2446.7%-2.6%10
ZeriFilter
-0.3148.6%-1.5%24
XayahFilter
-0.3447.9%-1.8%21
DravenFilter
-0.3948.8%-1.6%30
MelFilter
-0.4345.8%-5.6%9
JinxFilter
-0.4648.6%-0.8%59
SennaFilter
-0.5247.4%-2.2%26
Miss FortuneFilter
-0.6047.3%-3.0%24
YunaraFilter
-0.6349.5%-1.8%55
JhinFilter
-0.9748.7%-2.2%69
EzrealFilter
-1.0749.7%-1.9%115
CaitlynFilter
-1.6947.2%-3.5%73
AsheFilter
-2.1445.5%-4.3%71
support
Cassiopeia's WR vs enemy support. Sort ↓ for Cassiopeia's easiest matchups, ↑ for hardest (strongest counters).
Matchup score from Cassiopeia'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.Cassiopeia's Bayesian-smoothed win rate against this opponent. (wins + 25) / (games + 50).Bidirectional matchup delta: avg of Cassiopeia's gain over its baseline and the opponent's loss against its own. Positive = lopsided in Cassiopeia's favor. Hover a row for the per-side breakdown.Number of games observed. More games = more reliable WR.
KarmaFilter
+3.3558.2%+7.6%60
AlistarFilter
+1.3356.8%+6.3%24
SennaFilter
+1.0953.8%+4.5%30
LuluFilter
+1.0452.2%+1.6%84
YuumiFilter
+1.0355.0%+3.7%30
NamiFilter
+0.9451.7%+1.3%101
PykeFilter
+0.8552.9%+2.7%37
LuxFilter
+0.7954.8%+3.6%23
PantheonFilter
+0.4754.7%+3.4%14
ZileanFilter
+0.3251.5%+2.4%16
BrandFilter
+0.2252.5%+2.1%11
MorganaFilter
+0.2052.5%+1.9%11
EliseFilter
+0.1851.6%+1.3%14
RellFilter
+0.1649.4%+0.7%37
Tahm KenchFilter
+0.1051.7%+1.4%8
Renata GlascFilter
+0.0951.8%+1.9%6
JannaFilter
+0.0950.0%+0.4%26
NeekoFilter
+0.0550.7%+0.1%17
SylasFilter
+0.0351.8%+0.5%6
ZoeFilter
+0.0150.9%+0.1%7
XerathFilter
-0.0450.8%-0.7%13
SonaFilter
-0.0649.4%-0.3%29
BraumFilter
-0.1349.4%-0.6%37
ShacoFilter
-0.1549.1%-2.5%7
MilioFilter
-0.1649.4%-0.7%39
ZyraFilter
-0.1649.2%-1.6%13
MelFilter
-0.1950.0%-4.1%6
CamilleFilter
-0.3146.6%-4.2%8
SeraphineFilter
-0.3148.4%-1.0%43
Vel'KozFilter
-0.3346.8%-3.0%12
SwainFilter
-0.3647.5%-3.9%11
ThreshFilter
-0.3748.7%-1.0%65
PoppyFilter
-0.4745.0%-5.0%10
NautilusFilter
-0.6048.6%-1.7%61
BlitzcrankFilter
-0.6747.1%-2.5%35
TaricFilter
-0.6744.6%-5.0%15
LeonaFilter
-1.0146.7%-3.4%42
RakanFilter
-1.0543.7%-5.8%21
SorakaFilter
-1.8342.7%-7.2%32
BardFilter
-3.5142.1%-7.6%71
jungle
Cassiopeia's WR when this ally plays jungle. Sort ↓ Score for best synergies, ↑ for worst.
Synergy score from Cassiopeia'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 Cassiopeia, negative = ally drags Cassiopeia down. Same shape as the item synergy / counter pick / duo rankings + matchup tables.Cassiopeia's Bayesian-smoothed win rate when paired with this ally.Bidirectional synergy delta: avg of Cassiopeia'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.
Rek'SaiFilter
171.357.1%+5.7%44
KindredFilter
148.758.4%+7.6%26
TalonFilter
145.554.6%+3.8%68
BriarFilter
120.255.4%+5.6%31
NocturneFilter
108.154.2%+3.1%58
HecarimFilter
71.952.3%+2.6%53
Nunu & WillumpFilter
63.155.3%+3.9%20
GravesFilter
57.251.7%+1.5%105
NaafiriFilter
49.452.2%+1.9%48
PantheonFilter
43.953.1%+2.5%24
EvelynnFilter
42.654.8%+3.8%13
RammusFilter
34.755.2%+4.1%9
RengarFilter
33.951.9%+1.5%39
ShyvanaFilter
32.352.3%+1.8%27
Bel'VethFilter
29.053.5%+1.4%23
Xin ZhaoFilter
27.951.1%+1.1%85
LilliaFilter
25.652.9%+2.2%13
ZyraFilter
21.753.2%+2.4%9
QiyanaFilter
21.551.0%+1.4%28
EkkoFilter
20.551.1%+1.5%24
ZedFilter
19.550.2%+1.9%18
JaxFilter
17.552.3%+1.4%14
ZacFilter
17.351.5%+1.6%14
Kha'ZixFilter
12.650.9%+0.7%68
Master YiFilter
9.751.2%+0.6%58
AatroxFilter
9.052.2%+0.4%13
DianaFilter
8.450.9%+0.7%15
WarwickFilter
8.151.3%+0.6%17
IvernFilter
-0.350.8%-0.2%14
FiddlesticksFilter
-1.550.6%-0.2%16
SejuaniFilter
-6.449.4%-0.9%11
SkarnerFilter
-14.550.2%-1.1%19
KarthusFilter
-18.448.4%-1.5%14
ShacoFilter
-25.249.7%-0.8%33
NidaleeFilter
-26.749.4%-1.8%20
EliseFilter
-42.445.8%-3.9%13
WukongFilter
-45.649.3%-1.5%38
AmbessaFilter
-47.647.7%-1.6%31
ViegoFilter
-51.249.0%-0.8%62
UdyrFilter
-53.946.1%-4.9%14
KaynFilter
-64.848.5%-1.6%49
ViFilter
-66.047.6%-2.5%32
SylasFilter
-69.547.9%-2.5%34
JayceFilter
-74.045.0%-3.8%22
Lee SinFilter
-365.445.4%-5.4%136
Jarvan IVFilter
-397.742.2%-7.7%85
mid
Cassiopeia's WR when this ally plays mid. Sort ↓ Score for best synergies, ↑ for worst.
Synergy score from Cassiopeia'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 Cassiopeia, negative = ally drags Cassiopeia down. Same shape as the item synergy / counter pick / duo rankings + matchup tables.Cassiopeia's Bayesian-smoothed win rate when paired with this ally.Bidirectional synergy delta: avg of Cassiopeia'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.
YasuoFilter
455.359.2%+9.7%83
KatarinaFilter
178.956.7%+5.6%48
QiyanaFilter
149.755.3%+4.7%50
TalonFilter
105.756.2%+5.9%25
XerathFilter
92.955.8%+5.0%26
LeBlancFilter
87.054.5%+4.2%31
IreliaFilter
75.253.8%+3.3%36
LissandraFilter
68.754.4%+3.4%30
RivenFilter
62.356.3%+4.9%17
QuinnFilter
45.756.9%+5.5%11
ZedFilter
43.951.4%+1.3%96
TaliyahFilter
37.654.4%+3.7%15
FizzFilter
36.653.5%+2.2%26
AkaliFilter
31.251.6%+1.6%43
NaafiriFilter
25.952.2%+1.4%37
SionFilter
23.554.3%+3.0%12
EkkoFilter
22.952.7%+1.8%23
VeigarFilter
20.952.8%+1.9%19
PantheonFilter
18.054.8%+1.5%15
Cho'GathFilter
16.053.1%+2.2%13
HweiFilter
13.551.2%+1.2%32
GalioFilter
13.451.2%+1.1%40
SyndraFilter
11.351.6%+1.0%30
GarenFilter
-1.952.0%+0.6%11
Aurelion SolFilter
-2.151.1%+0.7%13
ZoeFilter
-3.951.1%+0.4%29
AzirFilter
-11.749.2%+0.2%14
Twisted FateFilter
-13.251.3%-0.1%43
OriannaFilter
-14.049.5%+0.3%32
KayleFilter
-16.149.8%-1.0%9
AkshanFilter
-21.750.2%-0.2%40
JayceFilter
-21.749.7%-0.9%15
SmolderFilter
-22.847.8%-0.3%17
VexFilter
-24.648.8%-1.8%10
VladimirFilter
-34.049.8%-0.9%31
SylasFilter
-34.549.4%-0.6%37
AhriFilter
-37.750.4%-0.5%68
NasusFilter
-37.948.1%-2.5%13
ZiggsFilter
-40.146.1%-3.2%10
MelFilter
-40.944.9%-3.0%10
Xin ZhaoFilter
-49.147.5%-3.3%14
LuxFilter
-55.946.3%-4.1%13
RyzeFilter
-78.947.3%-2.1%36
AnnieFilter
-79.148.2%-2.9%30
ViktorFilter
-91.449.0%-1.5%75
AuroraFilter
-100.347.1%-2.8%39
MalzaharFilter
-120.744.8%-5.5%24
DianaFilter
-125.344.6%-6.7%21
AniviaFilter
-142.144.3%-5.9%27
YoneFilter
-180.746.3%-2.8%83
KassadinFilter
-234.040.6%-9.5%29
adc
Cassiopeia's WR when this ally plays adc. Sort ↓ Score for best synergies, ↑ for worst.
Synergy score from Cassiopeia'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 Cassiopeia, negative = ally drags Cassiopeia down. Same shape as the item synergy / counter pick / duo rankings + matchup tables.Cassiopeia's Bayesian-smoothed win rate when paired with this ally.Bidirectional synergy delta: avg of Cassiopeia'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.
DravenFilter
281.658.2%+7.8%50
TwitchFilter
136.857.4%+6.2%26
EzrealFilter
133.551.3%+2.3%177
KalistaFilter
119.255.1%+4.7%32
ZeriFilter
109.054.2%+3.7%39
YunaraFilter
90.752.0%+2.6%59
CaitlynFilter
76.551.6%+1.6%107
YasuoFilter
72.257.0%+4.9%15
SeraphineFilter
40.054.6%+2.7%14
VladimirFilter
28.552.6%+2.3%13
SivirFilter
26.251.2%+1.2%34
TristanaFilter
24.251.4%+1.0%36
Miss FortuneFilter
23.551.3%+0.9%44
JhinFilter
22.150.5%+0.7%126
SennaFilter
13.051.5%+0.4%56
KarthusFilter
10.752.6%+0.4%11
LuxFilter
10.752.5%+0.4%11
XerathFilter
9.551.5%+0.7%9
XayahFilter
9.051.4%+0.4%23
Kog'MawFilter
-2.051.3%-0.5%18
ZiggsFilter
-4.150.4%-1.1%9
Aurelion SolFilter
-6.150.6%-1.1%11
BrandFilter
-38.747.8%-4.5%11
NilahFilter
-43.847.4%-3.2%16
VayneFilter
-45.349.0%-1.2%42
ApheliosFilter
-59.348.2%-1.1%53
JinxFilter
-76.849.7%-1.5%76
SamiraFilter
-82.448.0%-2.3%44
LucianFilter
-90.048.2%-1.6%66
Kai'SaFilter
-101.647.8%-1.5%79
VarusFilter
-127.147.2%-2.9%56
AsheFilter
-144.348.7%-2.2%107
CorkiFilter
-202.241.9%-8.3%29
SmolderFilter
-213.248.6%-2.9%151
support
Cassiopeia's WR when this ally plays support. Sort ↓ Score for best synergies, ↑ for worst.
Synergy score from Cassiopeia'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 Cassiopeia, negative = ally drags Cassiopeia down. Same shape as the item synergy / counter pick / duo rankings + matchup tables.Cassiopeia's Bayesian-smoothed win rate when paired with this ally.Bidirectional synergy delta: avg of Cassiopeia'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.
Mage
