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Cassiopeia

Cassiopeia

the Serpent's Embrace

Mage
WikiOP.GGU.GGLolalyticsProbuilds
Position:
StatsChartsCombat ProfileMatchupsTeammatesSkill OrderRunes & SummonersItemsBest & BaitItem Builder
Quick summaryWhat most players build

Combat Profile#

Matchups#

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.

Teammates#

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.

Skill Order#

Which basic ability (Q/W/E) players max first, second, and third. Last 30 days.

Runes & Summoners#

Most popular rune pages and summoner spell combinations. Last 30 days.

Recommended Items#

Based on the last 30 days of ranked games.

Best & Bait Items#

Which items help and hurt Cassiopeia's win rate, restricted to items bought in ≥3% of games.

Item Builder#

Click an item to lock it in. Later slots re-calculate based on what came before. Sort by pick rate (most common) or win rate (best performing).

Sort by:

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OneTricks
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 Ring
Doran's Ring
75% PR · 49.1% WR
Tear of the Goddess
Tear of the Goddess
25% PR · 50.0% WR

Tier 2 Boots

Boots of Swiftness
Boots of Swiftness
58% PR · 51.6% WR
Mercury's Treads
Mercury's Treads
14% PR · 44.0% WR
Sorcerer's Shoes
Sorcerer's Shoes
14% PR · 48.7% WR

Best items on Cassiopeia

Highest smoothed win rate among items bought in ≥3% of games.

Hextech Rocketbelt
Hextech Rocketbelt
3% PR · 128 games
62.4%
Zhonya's Hourglass
Zhonya's Hourglass
6% PR · 221 games
59.4%
Rylai's Crystal Scepter
Rylai's Crystal Scepter
20% PR · 760 games
57.0%
Rabadon's Deathcap
Rabadon's Deathcap
3% PR · 125 games
56.0%
Liandry's Torment
Liandry's Torment
9% PR · 333 games
55.9%
Archangel's Staff
Archangel's Staff
39% PR · 1,460 games
54.9%

Bait items

Bought regularly but dragging the win rate down. Reconsider these.

Rod of Ages
Rod of Ages
36% PR · 1,374 games
50.6%
Archangel's Staff
Archangel's Staff
39% PR · 1,460 games
54.9%
Liandry's Torment
Liandry's Torment
9% PR · 333 games
55.9%
Rabadon's Deathcap
Rabadon's Deathcap
3% PR · 125 games
56.0%
Rylai's Crystal Scepter
Rylai's Crystal Scepter
20% PR · 760 games
57.0%
Zhonya's Hourglass
Zhonya's Hourglass
6% PR · 221 games
59.4%
B
Tier
Average performerRating 41.70

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 damage844 /min+0.70σ
AD damage16 /min-0.65σ
True damage10 /min-0.86σ

Damage taken from champions

AP taken428 /min+0.95σ
AD taken532 /min+0.44σ
True taken51 /min-0.10σ

Utility

Hard CC dealt1.06 sec/min+0.23σ
Heal0 /min-0.09σ
Shield0 /min-0.30σ
Win RateⓘBayesian-smoothed: (wins + 25) / (games + 50). Reliable even with small samples.
49.7%·Average compared to other champions in this role
Pick Rate
2.5%·Average 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.

top
Cassiopeia's WR when this ally plays top. 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.
GarenFilter
322.358.6%+7.7%106
SingedFilter
170.656.5%+5.5%66
ZaahenFilter
169.457.2%+7.0%48
RivenFilter
137.455.1%+4.8%61
CamilleFilter
130.155.9%+5.4%47
JayceFilter
110.752.2%+2.4%151
NasusFilter
106.156.0%+6.1%32
ShenFilter
99.454.3%+2.9%71
WarwickFilter
94.558.0%+7.6%21
IreliaFilter
93.053.4%+2.7%78
VarusFilter
91.652.9%+3.3%63
FioraFilter
65.952.0%+2.4%67
KayleFilter
65.453.6%+2.6%48
PoppyFilter
47.653.9%+2.7%29
AkaliFilter
45.652.0%+2.5%38
AatroxFilter
41.050.9%+1.2%103
OlafFilter
40.452.5%+1.4%52
KennenFilter
35.153.5%+2.3%24
YasuoFilter
33.951.5%+1.3%57
JaxFilter
30.851.1%+0.9%97
KledFilter
26.252.5%+1.0%41
Dr. MundoFilter
20.551.0%+0.8%58
TryndamereFilter
18.651.5%+0.9%38
YoneFilter
0.349.9%+0.2%116
VladimirFilter
-1.650.1%-0.1%28
GangplankFilter
-6.850.6%-0.2%103
TrundleFilter
-20.348.2%-0.9%30
TeemoFilter
-25.049.9%-0.9%63
PantheonFilter
-25.949.0%-1.2%38
AmbessaFilter
-34.249.0%-0.5%125
GwenFilter
-35.348.4%-1.9%33
VolibearFilter
-36.048.2%-1.7%37
IllaoiFilter
-39.748.5%-1.6%45
QuinnFilter
-41.448.0%-2.9%26
OrnnFilter
-43.649.6%-1.4%74
AniviaFilter
-43.849.1%-2.2%41
SionFilter
-45.249.1%-0.9%115
SettFilter
-52.748.1%-2.3%44
Cho'GathFilter
-67.745.3%-4.7%25
MalphiteFilter
-69.849.1%-1.4%136
DariusFilter
-76.448.5%-1.7%113
UrgotFilter
-91.346.9%-4.5%41
Xin ZhaoFilter
-94.145.7%-4.9%36
GragasFilter
-104.446.2%-4.5%46
MordekaiserFilter
-114.543.8%-5.0%40
RumbleFilter
-116.945.6%-4.0%57
YorickFilter
-127.845.2%-4.1%62
GnarFilter
-145.145.5%-4.0%77
VayneFilter
-154.146.2%-3.8%95
K'SanteFilter
-184.045.7%-3.6%131
RenektonFilter
-198.845.4%-4.4%115
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.
SylasFilter
201.757.2%+7.0%62
Rek'SaiFilter
121.554.4%+3.2%89
BriarFilter
116.154.0%+4.4%57
FiddlesticksFilter
115.057.3%+6.7%29
ZacFilter
107.956.1%+6.3%30
AmbessaFilter
99.552.3%+3.3%79
QiyanaFilter
90.853.2%+3.8%51
LilliaFilter
89.856.4%+5.8%25
EkkoFilter
89.353.3%+3.8%49
Nunu & WillumpFilter
85.655.7%+4.4%32
Jarvan IVFilter
77.051.5%+1.8%175
DianaFilter
73.854.6%+4.5%27
WarwickFilter
69.453.7%+3.1%40
SkarnerFilter
67.653.8%+2.8%42
TalonFilter
67.552.2%+1.6%121
UdyrFilter
54.253.7%+2.9%29
Lee SinFilter
50.451.5%+0.9%372
EliseFilter
48.652.1%+2.6%34
NidaleeFilter
40.152.2%+1.2%64
EvelynnFilter
33.652.1%+1.2%43
KarthusFilter
25.151.2%+1.4%24
ZedFilter
23.649.5%+1.4%45
WukongFilter
16.551.1%+0.4%70
Master YiFilter
12.950.9%+0.4%90
Xin ZhaoFilter
12.050.4%+0.5%170
AatroxFilter
11.751.6%+0.0%31
QuinnFilter
9.148.5%+0.8%26
SejuaniFilter
-1.249.4%-0.7%21
HecarimFilter
-26.049.2%-0.4%100
IvernFilter
-36.948.8%-2.0%43
NaafiriFilter
-52.449.2%-1.0%133
Bel'VethFilter
-61.548.3%-3.7%39
ViegoFilter
-65.048.7%-0.9%161
KindredFilter
-65.847.8%-2.7%53
NocturneFilter
-67.949.4%-1.6%121
Kha'ZixFilter
-73.748.4%-1.6%109
JaxFilter
-74.845.3%-5.4%28
PantheonFilter
-76.947.3%-3.2%52
JayceFilter
-91.945.8%-2.8%62
ShacoFilter
-107.246.6%-3.8%62
KaynFilter
-149.546.4%-3.5%105
ShyvanaFilter
-198.843.6%-6.7%65
ViFilter
-202.144.7%-5.3%91
RengarFilter
-218.344.3%-5.8%90
GravesFilter
-240.546.2%-3.8%227
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.
JhinFilter
192.253.3%+3.8%302
KalistaFilter
160.458.6%+8.4%44
DravenFilter
151.755.3%+5.2%84
Kog'MawFilter
138.561.0%+9.4%30
SivirFilter
111.753.9%+4.1%76
XayahFilter
109.856.1%+5.3%47
TristanaFilter
107.054.4%+4.2%66
SmolderFilter
101.553.0%+1.7%300
AsheFilter
61.851.9%+1.2%255
VeigarFilter
46.955.0%+4.0%20
SeraphineFilter
34.853.8%+2.0%26
CorkiFilter
12.850.5%+0.5%45
BrandFilter
6.651.8%-0.3%37
Kai'SaFilter
5.749.6%+0.5%165
SwainFilter
5.251.2%-0.5%20
SamiraFilter
-0.050.0%-0.0%66
VarusFilter
-13.949.7%-0.2%153
MelFilter
-16.247.3%-1.8%23
KarthusFilter
-22.149.3%-2.6%27
SennaFilter
-27.050.0%-0.9%105
NilahFilter
-28.947.7%-2.7%28
ZiggsFilter
-32.947.4%-3.8%23
CaitlynFilter
-52.149.0%-0.8%270
TwitchFilter
-62.148.3%-2.7%67
JinxFilter
-68.049.3%-1.7%162
YunaraFilter
-82.447.4%-1.8%137
VayneFilter
-87.846.8%-3.2%74
ApheliosFilter
-88.846.2%-2.8%81
Miss FortuneFilter
-134.845.5%-4.7%82
EzrealFilter
-143.946.9%-2.0%388
ZeriFilter
-170.145.4%-4.9%109
LucianFilter
-215.445.0%-4.7%172
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.
SonaFilter
239.358.8%+8.0%68
SennaFilter
193.055.2%+4.0%134
BardFilter
152.253.1%+2.3%256
PykeFilter
148.953.3%+3.1%149
RakanFilter
87.953.4%+2.3%84
LeonaFilter
81.852.2%+1.9%115
LuluFilter
76.051.3%+1.4%182
ThreshFilter
52.751.5%+0.7%213
TaricFilter
38.652.8%+1.9%38
Renata GlascFilter
37.553.9%+3.4%21
CamilleFilter
37.151.3%+1.6%53
PantheonFilter
32.050.5%+1.4%60
ZileanFilter
26.152.5%+1.2%37
NamiFilter
24.150.4%+0.3%210
RellFilter
17.251.8%+0.1%81
MaokaiFilter
16.951.6%+1.0%32
SwainFilter
9.150.0%+1.0%27
LuxFilter
6.349.7%+0.4%58
BlitzcrankFilter
0.450.7%-0.3%95
SeraphineFilter
-7.750.6%-0.5%208
XerathFilter
-8.048.8%-0.1%37
AlistarFilter
-10.349.7%-0.3%97
NeekoFilter
-10.449.5%-0.4%59
BrandFilter
-12.249.5%-0.6%41
NautilusFilter
-16.949.7%-0.4%258
Tahm KenchFilter
-21.348.8%-1.3%30
MorganaFilter
-22.949.0%-0.9%54
SkarnerFilter
-27.247.7%-2.0%23
MelFilter
-32.144.7%-1.7%22
EliseFilter
-32.848.3%-1.8%35
SorakaFilter
-67.948.3%-2.3%79
Vel'KozFilter
-80.745.4%-5.3%30
JannaFilter
-94.947.5%-3.3%75
PoppyFilter
-95.745.0%-5.5%35
BraumFilter
-103.647.3%-3.1%90
YuumiFilter
-149.744.8%-4.4%83
MilioFilter
-150.746.2%-4.1%104
KarmaFilter
-332.043.6%-6.3%200
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
0.010
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.
-4.6%
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.
+4.0%

Win Rate by Game Length

Slope: 0.000

Win Rate by Rank

Slope: 0.010

Win Rate Distribution

Worst Matchup: -4.6% (blind-pick floor) • Best Matchup: +4.0% (counter-pick ceiling)

43 opponents
Q1: 48.1%Median: 50.5%Q3: 52.5%IQR: 4.4%
·Average compared to other champions in this role
↑↑Very high compared to other champions in this role
↑High compared to other champions in this role
↓Low 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.
MordekaiserFilter
+1.8356.6%+4.8%49
RumbleFilter
+1.6156.2%+5.2%39
GarenFilter
+1.5753.0%+3.3%82
UrgotFilter
+1.4957.7%+8.5%21
IreliaFilter
+1.4353.9%+4.0%52
K'SanteFilter
+1.3654.2%+2.9%68
GangplankFilter
+1.3053.0%+3.2%65
VarusFilter
+1.2557.7%+6.7%21
SettFilter
+1.0654.0%+3.7%37
SionFilter
+1.0253.0%+2.4%65
VayneFilter
+1.0253.8%+3.3%41
QuinnFilter
+0.7555.4%+5.7%15
Dr. MundoFilter
+0.7252.4%+2.0%53
Cho'GathFilter
+0.5853.2%+2.6%27
FioraFilter
+0.5652.6%+1.6%45
GragasFilter
+0.5652.6%+2.6%28
AniviaFilter
+0.5352.9%+3.7%18
AuroraFilter
+0.4152.9%+2.6%18
PoppyFilter
+0.4053.2%+3.8%12
RyzeFilter
+0.3651.4%+2.3%22
TryndamereFilter
+0.2551.3%+1.3%28
YoneFilter
+0.1251.3%+0.3%67
HeimerdingerFilter
+0.1151.6%+0.8%14
CamilleFilter
+0.0650.6%+0.4%35
YasuoFilter
+0.0350.7%+0.2%23
RivenFilter
+0.0250.6%+0.2%39
KledFilter
-0.0349.2%+0.1%15
NasusFilter
-0.0450.6%-0.1%31
TrundleFilter
-0.0850.7%-0.8%17
KennenFilter
-0.1049.4%-0.1%29
KayleFilter
-0.1249.3%-0.3%23
VolibearFilter
-0.2149.3%-1.4%17
IllaoiFilter
-0.2149.3%-1.3%19
GnarFilter
-0.2450.5%-0.7%51
ShenFilter
-0.4448.6%-0.6%55
TeemoFilter
-0.6647.6%-2.2%32
SingedFilter
-0.7246.8%-2.9%27
ZaahenFilter
-0.7446.5%-3.9%21
AkaliFilter
-0.7647.3%-3.8%24
OlafFilter
-0.8247.1%-2.6%35
GwenFilter
-0.8245.7%-4.6%20
AatroxFilter
-0.8349.1%-1.9%60
AmbessaFilter
-0.8749.1%-2.1%58
OrnnFilter
-1.1447.2%-2.4%56
JayceFilter
-1.2948.5%-2.4%82
JaxFilter
-1.4646.3%-4.1%45
MalphiteFilter
-1.5747.1%-3.1%69
YorickFilter
-1.6144.2%-7.2%27
DariusFilter
-1.6246.8%-3.6%61
VladimirFilter
-1.9343.4%-7.1%33
RenektonFilter
-2.0845.6%-5.3%53
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.
Xin ZhaoFilter
+2.1555.1%+4.3%88
Jarvan IVFilter
+2.0254.7%+3.7%98
AatroxFilter
+1.7058.9%+9.8%23
NidaleeFilter
+1.3354.3%+4.6%44
ViFilter
+1.2854.3%+3.5%55
RengarFilter
+1.1454.1%+3.5%48
Lee SinFilter
+1.0051.8%+1.7%141
ShyvanaFilter
+0.9753.9%+3.6%39
Kha'ZixFilter
+0.9653.3%+2.6%57
KindredFilter
+0.8753.3%+3.1%42
PantheonFilter
+0.6253.1%+2.8%31
JaxFilter
+0.4953.7%+3.7%17
HecarimFilter
+0.4752.4%+1.2%55
FiddlesticksFilter
+0.4752.6%+2.5%26
DianaFilter
+0.4252.3%+1.7%36
SkarnerFilter
+0.3652.1%+2.5%21
RammusFilter
+0.3252.2%+2.4%19
Bel'VethFilter
+0.3050.6%+1.9%29
ViegoFilter
+0.2551.5%+0.5%84
EvelynnFilter
+0.2351.4%+1.5%24
Master YiFilter
+0.2150.9%+0.7%58
IvernFilter
+0.1551.6%+1.7%12
AmumuFilter
+0.1451.6%+1.6%12
SejuaniFilter
+0.1351.2%+0.6%30
Nunu & WillumpFilter
+0.1250.8%+1.4%15
QuinnFilter
+0.0852.9%-0.0%18
GwenFilter
-0.0350.0%-0.1%12
ZyraFilter
-0.0450.0%-0.1%18
QiyanaFilter
-0.0750.7%-0.6%19
BriarFilter
-0.1250.6%-0.5%35
UdyrFilter
-0.1349.3%-0.7%17
ZacFilter
-0.1550.0%-0.9%20
ShenFilter
-0.2347.6%-1.8%13
ZedFilter
-0.3850.0%-2.6%22
AmbessaFilter
-0.4850.0%-1.7%48
JayceFilter
-0.5148.6%-3.5%20
WukongFilter
-0.5348.2%-1.8%35
EliseFilter
-0.6146.2%-5.0%15
KaynFilter
-0.6849.1%-1.7%60
SylasFilter
-0.7348.5%-1.9%53
WarwickFilter
-0.7945.8%-4.3%22
LilliaFilter
-0.8347.0%-3.2%33
Rek'SaiFilter
-0.8446.3%-3.1%32
NocturneFilter
-0.9248.0%-1.7%75
KarthusFilter
-0.9946.1%-4.9%26
EkkoFilter
-1.1647.3%-3.9%43
ShacoFilter
-1.2945.1%-5.2%32
NaafiriFilter
-1.4047.7%-2.8%82
TalonFilter
-1.5946.8%-3.2%76
GravesFilter
-3.6745.0%-5.7%130
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.
SylasFilter
+2.7357.3%+6.7%100
AhriFilter
+2.1755.3%+5.4%102
IreliaFilter
+1.6758.6%+8.4%37
KatarinaFilter
+1.3954.5%+5.0%60
AniviaFilter
+1.1055.3%+4.8%44
ViktorFilter
+0.9952.8%+2.6%94
Aurelion SolFilter
+0.8855.7%+5.4%29
LuxFilter
+0.8654.5%+4.2%38
XerathFilter
+0.6652.3%+2.4%61
RivenFilter
+0.4855.6%+6.3%13
RyzeFilter
+0.4052.0%+0.8%98
YasuoFilter
+0.3852.3%+1.1%59
SingedFilter
+0.3754.0%+5.0%13
KassadinFilter
+0.3152.6%+1.9%28
TaliyahFilter
+0.2552.1%+2.2%21
Twisted FateFilter
+0.2150.6%+1.3%39
VexFilter
+0.1451.4%+1.3%20
NaafiriFilter
+0.0950.6%+0.7%27
MelFilter
+0.0452.4%-0.3%32
BrandFilter
+0.0250.8%+0.3%13
Cho'GathFilter
-0.0150.0%+0.2%12
GalioFilter
-0.0150.5%-0.1%47
ZoeFilter
-0.0150.0%+0.1%52
VladimirFilter
-0.0450.0%-0.0%78
YoneFilter
-0.0451.1%-0.5%40
DianaFilter
-0.1748.9%-0.5%40
AzirFilter
-0.2549.3%-2.4%19
TalonFilter
-0.2948.8%-1.6%32
ZedFilter
-0.3049.6%-1.1%63
AuroraFilter
-0.3648.8%-2.0%34
MalzaharFilter
-0.5148.6%-1.7%61
LeBlancFilter
-0.5946.8%-3.6%29
AnnieFilter
-0.6046.3%-3.3%30
LissandraFilter
-0.6147.6%-2.1%53
FizzFilter
-0.6246.7%-2.6%40
AkaliFilter
-0.6848.0%-2.7%52
SyndraFilter
-0.7548.1%-2.1%81
QiyanaFilter
-0.8345.9%-4.2%35
HweiFilter
-1.1645.9%-4.8%48
AkshanFilter
-1.2844.6%-5.7%42
EkkoFilter
-1.5542.9%-6.9%41
VeigarFilter
-1.6140.7%-9.1%31
OriannaFilter
-2.8841.6%-9.9%63
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.
EzrealFilter
+2.7655.2%+3.6%265
YunaraFilter
+1.2254.3%+3.0%77
CorkiFilter
+0.9555.7%+5.2%29
Aurelion SolFilter
+0.7955.9%+6.9%18
Kai'SaFilter
+0.7052.5%+1.1%129
TwitchFilter
+0.6553.1%+3.6%31
AsheFilter
+0.6151.0%+1.2%160
SmolderFilter
+0.5950.5%+1.3%158
SivirFilter
+0.5352.3%+1.6%57
CaitlynFilter
+0.4451.5%+0.8%117
JhinFilter
+0.3951.5%+0.5%154
ZiggsFilter
+0.3552.2%+2.9%19
VayneFilter
+0.3151.6%+1.2%41
VeigarFilter
+0.3053.2%+3.7%12
Kog'MawFilter
+0.2952.4%+3.4%13
LuxFilter
+0.2651.6%+3.0%14
ApheliosFilter
+0.2652.2%+0.7%40
TristanaFilter
+0.2151.0%+0.7%46
SwainFilter
+0.1750.0%+1.2%30
XayahFilter
+0.1750.6%+0.9%33
Vel'KozFilter
+0.1450.0%+1.6%16
BrandFilter
+0.0849.3%+0.9%21
MelFilter
+0.0651.4%+0.0%20
VladimirFilter
-0.0350.0%-0.5%18
YasuoFilter
-0.1347.9%-0.7%21
KalistaFilter
-0.1449.4%-1.0%27
KarthusFilter
-0.2446.0%-2.5%13
VarusFilter
-0.5648.6%-2.0%57
DravenFilter
-0.6848.2%-2.2%64
Miss FortuneFilter
-0.7347.4%-2.9%47
NilahFilter
-0.7443.3%-6.8%17
SamiraFilter
-1.0746.6%-3.8%53
LucianFilter
-1.1848.3%-2.6%124
SennaFilter
-1.5443.9%-5.7%48
ZeriFilter
-1.8642.4%-7.8%42
JinxFilter
-3.3442.2%-7.3%104
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.
LeonaFilter
+1.9055.6%+5.4%67
BraumFilter
+1.4554.4%+4.3%64
SennaFilter
+1.2252.9%+3.6%71
RellFilter
+1.1852.7%+3.9%62
YuumiFilter
+0.9854.6%+3.3%47
LuluFilter
+0.9352.6%+1.9%104
KarmaFilter
+0.8151.9%+1.4%156
Tahm KenchFilter
+0.7755.6%+5.2%22
PantheonFilter
+0.7355.1%+3.8%28
RakanFilter
+0.7252.9%+3.5%35
SylasFilter
+0.6655.6%+4.2%22
JannaFilter
+0.6651.8%+2.1%62
NeekoFilter
+0.5853.9%+3.3%26
EliseFilter
+0.5254.4%+4.1%18
NautilusFilter
+0.5051.3%+0.9%149
ShacoFilter
+0.2853.8%+2.2%15
XerathFilter
+0.2552.6%+1.1%28
CamilleFilter
+0.2352.1%+1.3%23
BlitzcrankFilter
+0.2250.5%+0.9%49
Renata GlascFilter
+0.1551.6%+1.6%12
SorakaFilter
+0.1550.5%+0.6%49
SwainFilter
+0.1452.1%+0.6%21
MorganaFilter
-0.0950.0%-0.6%30
AlistarFilter
-0.1050.0%-0.5%44
LuxFilter
-0.2250.0%-1.2%38
MilioFilter
-0.2449.6%-0.6%75
ZileanFilter
-0.2548.2%-1.0%33
MaokaiFilter
-0.2747.9%-2.0%21
ZyraFilter
-0.3047.7%-3.2%15
PoppyFilter
-0.3347.0%-3.1%16
MelFilter
-0.3350.0%-4.1%16
SeraphineFilter
-0.4348.6%-0.7%98
TaricFilter
-0.6445.1%-4.6%21
BrandFilter
-0.7745.2%-5.2%23
Vel'KozFilter
-0.9444.0%-5.8%25
BardFilter
-1.3147.0%-2.8%99
NamiFilter
-1.9347.1%-3.4%154
PykeFilter
-2.0244.3%-5.9%65
SonaFilter
-2.0842.4%-7.3%49
ThreshFilter
-2.7844.0%-5.7%109

Rune Pages

Precision · Sorcery
10% PR · 44.7% WR
PrecisionConquerorPresence of MindLegend: HasteLast Stand
SorceryManaflow BandTranscendence
Adaptive ForceAdaptive ForceScaling Health
Sorcery · Precision
9% PR · 46.7% WR
SorceryDeathfire TouchManaflow BandTranscendenceScorch
PrecisionCoup de GracePresence of Mind
Adaptive ForceAdaptive Force
Sorcery · Precision
6% PR · 48.9% WR
SorceryDeathfire TouchManaflow BandCelerityScorch
PrecisionPresence of MindCut Down
Adaptive ForceMovement SpeedHealth

Summoner Spells

FlashTeleport
Flash + Teleport
55% PR · 48.3% WR
FlashGhost
Flash + Ghost
25% PR · 50.3% WR
FlashIgnite
Flash + Ignite
9% PR · 50.4% WR
ExhaustFlash
Exhaust + Flash
7% PR · 52.7% WR
FlashBarrier
Flash + Barrier
2% PR · 54.5% WR
Scaling Health
Runes
Precision · Sorcery
10% PR · 44.7% WR
PrecisionConquerorPresence of MindLegend: HasteLast Stand
SorceryManaflow BandTranscendence
Adaptive ForceAdaptive ForceScaling Health
Summoners
FlashTeleport
Flash + Teleport
55% PR · 48.3% WR
Items
Starting items
Doran's Ring
Doran's Ring
75% PR · 49.1% WR
Core build
Item 1
Rod of Ages
Rod of Ages
72% PR · 48.6% WR
Archangel's Staff
Archangel's Staff
18% PR · 48.7% WR
Skill order
123456789101112131415161718
Q
123456789101112131415161718
Q
Rylai's Crystal Scepter
Rylai's Crystal Scepter
6% PR · 55.5% WR
Item 2
Archangel's Staff
Archangel's Staff
72% PR · 51.4% WR
Rylai's Crystal Scepter
Rylai's Crystal Scepter
16% PR · 55.5% WR
Liandry's Torment
Liandry's Torment
4% PR · 45.0% WR
Item 3
Rylai's Crystal Scepter
Rylai's Crystal Scepter
41% PR · 52.0% WR
Liandry's Torment
Liandry's Torment
22% PR · 51.7% WR
Zhonya's Hourglass
Zhonya's Hourglass
9% PR · 55.8% WR
Item 4
Zhonya's Hourglass
Zhonya's Hourglass
22% PR · 55.7% WR
Liandry's Torment
Liandry's Torment
18% PR · 57.2% WR
Rabadon's Deathcap
Rabadon's Deathcap
16% PR · 57.1% WR
Item 5
Zhonya's Hourglass
Zhonya's Hourglass
21% PR · 58.9% WR
Rabadon's Deathcap
Rabadon's Deathcap
21% PR · 52.8% WR
Void Staff
Void Staff
9% PR · 51.2% WR
Noxious Blast
2
8
10
12
13
WMiasma
4
14
15
17
18
ETwin Fang
1
3
5
7
9
RPetrifying Gaze
6
11
16
27.4% PR · 62.6% WR · 113 games
Noxious Blast
2
8
10
12
13
WMiasma
4
14
15
17
18
ETwin Fang
1
3
5
7
9
RPetrifying Gaze
6
11
16
27.4% PR · 62.6% WR · 113 games
123456789101112131415161718
QNoxious Blast
2
8
10
12
13
WMiasma
3
ETwin Fang
1
4
5
7
RPetrifying Gaze
6
11
25.0% PR · 64.1% WR · 103 games
123456789101112131415161718
QNoxious Blast
1
8
10
12
13
WMiasma
4
ETwin Fang
2
3
5
7
RPetrifying Gaze
6
11
24.3% PR · 62.7% WR · 100 games
14
15
17
18
9
16
14
15
17
18
9
16