Karthus'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.
Karthus'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 Karthus'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 damage1276 /min+3.67σ
AD damage12 /min-2.47σ
True damage35 /min+0.02σ
Damage taken from champions
AP taken313 /min+0.59σ
AD taken486 /min+0.27σ
True taken53 /min+2.05σ
Utility
Hard CC dealt0.70 sec/min-0.29σ
Heal0 /min-0.18σ
Shield0 /min-0.19σ
Starter Items
Doran's Ring
99% PR · 53.6% WR
Tier 2 Boots
Sorcerer's Shoes
99% PR · 53.9% WR
A
Tier
Above-average — strong in this roleRating 69.90
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
Best items on Karthus
Highest smoothed win rate among items bought in ≥3% of games.
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
-0.002
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.
-6.1%
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.
Karthus's WR vs enemy top. Sort ↓ for Karthus's easiest matchups, ↑ for hardest (strongest counters).
Matchup score from Karthus'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.Karthus's Bayesian-smoothed win rate against this opponent. (wins + 25) / (games + 50).Bidirectional matchup delta: avg of Karthus's gain over its baseline and the opponent's loss against its own. Positive = lopsided in Karthus's favor. Hover a row for the per-side breakdown.Number of games observed. More games = more reliable WR.
OrnnFilter
+3.4958.7%+7.3%42
GangplankFilter
+2.3056.8%+5.1%38
JaxFilter
+1.9155.6%+3.3%49
YorickFilter
+1.4956.8%+3.6%31
AniviaFilter
+1.2955.3%+4.1%26
RenektonFilter
+1.1755.4%+2.7%33
AatroxFilter
+1.1555.1%+2.2%39
FioraFilter
+1.1455.4%+2.6%33
TryndamereFilter
+1.0355.6%+3.7%22
VayneFilter
+0.9553.6%+1.2%60
K'SanteFilter
+0.7854.5%+1.3%38
UrgotFilter
+0.4652.5%+1.4%30
KledFilter
+0.4554.0%+3.0%13
AkaliFilter
+0.4154.3%+1.4%20
PantheonFilter
+0.3653.4%+1.1%23
KayleFilter
+0.3352.8%+1.3%22
QiyanaFilter
+0.2654.2%+2.6%9
MordekaiserFilter
+0.2153.7%+0.0%32
SettFilter
+0.1952.6%+0.4%28
MalphiteFilter
+0.1552.2%+0.2%42
Dr. MundoFilter
+0.1552.6%+0.3%28
IllaoiFilter
+0.1452.9%+0.6%18
RivenFilter
+0.1452.4%+0.2%34
RyzeFilter
+0.1252.5%+1.6%9
GnarFilter
+0.1052.9%-0.1%37
CassiopeiaFilter
+0.0653.3%+0.5%10
SionFilter
+0.0052.3%-0.2%38
AuroraFilter
-0.0052.5%+0.3%9
VladimirFilter
-0.0152.2%-0.0%17
Tahm KenchFilter
-0.1252.5%-0.9%9
KennenFilter
-0.1950.7%-0.6%19
JayceFilter
-0.2052.0%-0.7%50
Xin ZhaoFilter
-0.2150.8%-1.1%11
TrundleFilter
-0.2351.7%-1.7%10
DariusFilter
-0.2451.6%-0.7%45
ShenFilter
-0.3050.5%-0.5%43
SingedFilter
-0.4250.0%-1.5%20
SylasFilter
-0.4350.0%-2.2%14
Cho'GathFilter
-0.4650.7%-1.8%21
YoneFilter
-0.4851.5%-1.3%47
AmbessaFilter
-0.5051.6%-1.4%43
ZaahenFilter
-0.5450.6%-1.6%29
UdyrFilter
-0.5847.5%-4.2%9
GragasFilter
-0.6549.3%-2.5%19
NasusFilter
-0.7349.3%-3.3%17
YasuoFilter
-0.7449.3%-3.0%19
GwenFilter
-0.8648.5%-3.6%18
TeemoFilter
-1.1147.1%-4.6%18
OlafFilter
-1.1647.1%-4.3%20
VarusFilter
-1.1750.0%-2.9%40
CamilleFilter
-1.1748.8%-3.3%30
VolibearFilter
-1.1747.0%-5.6%16
RumbleFilter
-1.2648.7%-4.1%26
QuinnFilter
-1.4444.6%-7.0%15
GarenFilter
-1.4949.1%-2.4%60
IreliaFilter
-2.3545.8%-6.0%33
jungle
Karthus's WR vs enemy jungle. Sort ↓ for Karthus's easiest matchups, ↑ for hardest (strongest counters).
Matchup score from Karthus'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.Karthus's Bayesian-smoothed win rate against this opponent. (wins + 25) / (games + 50).Bidirectional matchup delta: avg of Karthus's gain over its baseline and the opponent's loss against its own. Positive = lopsided in Karthus's favor. Hover a row for the per-side breakdown.Number of games observed. More games = more reliable WR.
Kha'ZixFilter
+2.8160.4%+8.1%61
GravesFilter
+2.6957.6%+5.3%101
NocturneFilter
+2.6158.9%+7.6%62
ViegoFilter
+2.1458.0%+5.3%69
HecarimFilter
+1.6757.1%+4.4%62
ShacoFilter
+0.8354.8%+2.9%43
TalonFilter
+0.7753.6%+1.9%62
PantheonFilter
+0.7158.2%+6.3%17
Jarvan IVFilter
+0.6253.5%+0.9%77
BriarFilter
+0.4555.6%+2.9%22
LilliaFilter
+0.3754.1%+2.3%24
EkkoFilter
+0.2653.2%+0.4%44
ZyraFilter
+0.2253.7%+2.0%17
AmumuFilter
+0.1955.0%+3.4%10
JayceFilter
+0.1555.7%+2.1%11
TaliyahFilter
+0.0853.2%+1.3%12
Nunu & WillumpFilter
+0.0551.3%+0.3%26
WukongFilter
+0.0452.3%+0.6%15
QiyanaFilter
+0.0352.9%+0.0%18
ZaahenFilter
+0.0152.5%+0.7%11
ViFilter
-0.0152.1%-0.3%23
RengarFilter
-0.0151.6%-0.5%41
ZacFilter
-0.0452.5%-0.0%9
NasusFilter
-0.0950.0%-0.2%10
RammusFilter
-0.0950.8%-0.6%9
SylasFilter
-0.1151.2%-0.9%34
SejuaniFilter
-0.1550.8%-1.4%13
FiddlesticksFilter
-0.2250.0%-1.7%18
AmbessaFilter
-0.2551.3%-2.0%28
KaynFilter
-0.2551.0%-1.4%54
KindredFilter
-0.2650.0%-1.8%26
IvernFilter
-0.2749.3%-2.2%17
WarwickFilter
-0.3148.4%-3.4%12
JaxFilter
-0.3247.5%-4.1%9
EvelynnFilter
-0.3549.4%-2.2%27
SkarnerFilter
-0.3746.7%-4.6%10
AatroxFilter
-0.4746.0%-4.7%13
UdyrFilter
-0.5548.0%-3.5%25
Dr. MundoFilter
-0.5547.7%-5.6%15
Rek'SaiFilter
-0.6048.3%-2.8%39
ShyvanaFilter
-0.6148.9%-3.1%38
NaafiriFilter
-0.6849.6%-2.6%67
Bel'VethFilter
-0.7145.9%-4.4%24
ZedFilter
-0.9745.6%-8.7%18
Master YiFilter
-1.0447.4%-4.4%45
EliseFilter
-1.1245.3%-7.4%25
NidaleeFilter
-1.1445.0%-6.3%30
DianaFilter
-1.2844.0%-8.3%25
Lee SinFilter
-1.8746.9%-4.8%97
Xin ZhaoFilter
-2.0045.4%-7.0%58
mid
Karthus's WR vs enemy mid. Sort ↓ for Karthus's easiest matchups, ↑ for hardest (strongest counters).
Matchup score from Karthus'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.Karthus's Bayesian-smoothed win rate against this opponent. (wins + 25) / (games + 50).Bidirectional matchup delta: avg of Karthus's gain over its baseline and the opponent's loss against its own. Positive = lopsided in Karthus's favor. Hover a row for the per-side breakdown.Number of games observed. More games = more reliable WR.
AkaliFilter
+3.1160.0%+7.3%65
AuroraFilter
+2.7262.2%+9.4%40
ViktorFilter
+1.8555.7%+3.5%81
AhriFilter
+1.7054.6%+2.7%102
KatarinaFilter
+1.4055.0%+3.4%61
YasuoFilter
+1.2855.9%+2.7%61
TalonFilter
+0.8158.0%+5.5%19
MalzaharFilter
+0.6155.1%+2.7%28
LeBlancFilter
+0.5254.0%+1.6%37
OriannaFilter
+0.4354.2%+0.7%46
SyndraFilter
+0.3853.8%+1.7%28
SylasFilter
+0.3452.8%+0.1%73
GalioFilter
+0.3253.2%+0.6%44
HweiFilter
+0.3053.8%+1.0%30
AniviaFilter
+0.1952.9%+0.3%37
Aurelion SolFilter
+0.1653.8%+1.5%15
CassiopeiaFilter
+0.1354.0%+1.6%13
DianaFilter
+0.0952.1%+0.7%21
TaliyahFilter
+0.0252.0%+0.0%25
NaafiriFilter
+0.0152.3%+0.4%15
SmolderFilter
-0.0454.0%-0.7%13
AnnieFilter
-0.0551.4%-0.2%22
PantheonFilter
-0.0750.0%+0.6%10
JayceFilter
-0.1051.6%-0.6%12
VladimirFilter
-0.1351.2%-0.8%30
IreliaFilter
-0.1351.4%-0.9%22
BrandFilter
-0.2150.8%-1.7%13
RivenFilter
-0.2449.2%-2.1%9
LissandraFilter
-0.2650.5%-1.2%43
KayleFilter
-0.2749.2%-2.8%9
VeigarFilter
-0.3050.0%-1.9%20
ZoeFilter
-0.3450.0%-2.0%24
ZedFilter
-0.3451.2%-1.4%75
SionFilter
-0.3747.5%-4.0%9
NasusFilter
-0.3748.3%-3.9%10
LuxFilter
-0.4150.0%-2.3%26
AkshanFilter
-0.8348.1%-4.2%29
QiyanaFilter
-0.8548.2%-3.9%33
MelFilter
-0.9149.4%-5.5%27
RyzeFilter
-0.9748.8%-4.5%36
Twisted FateFilter
-1.0245.1%-6.2%21
XerathFilter
-1.0645.9%-6.0%24
FizzFilter
-1.1846.5%-4.8%36
AzirFilter
-1.2445.8%-7.9%22
YoneFilter
-1.2847.6%-6.0%34
KassadinFilter
-1.4047.3%-5.3%43
EkkoFilter
-2.0343.7%-8.1%37
adc
Karthus's WR vs enemy adc. Sort ↓ for Karthus's easiest matchups, ↑ for hardest (strongest counters).
Matchup score from Karthus'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.Karthus's Bayesian-smoothed win rate against this opponent. (wins + 25) / (games + 50).Bidirectional matchup delta: avg of Karthus's gain over its baseline and the opponent's loss against its own. Positive = lopsided in Karthus's favor. Hover a row for the per-side breakdown.Number of games observed. More games = more reliable WR.
EzrealFilter
+2.7258.1%+4.4%153
JinxFilter
+2.2457.8%+6.2%78
Kai'SaFilter
+1.7057.6%+4.0%82
JhinFilter
+1.4755.8%+2.7%115
AsheFilter
+1.4555.6%+3.7%85
XayahFilter
+0.9458.7%+6.9%25
SmolderFilter
+0.8552.8%+1.5%147
CaitlynFilter
+0.7854.1%+1.3%107
LuxFilter
+0.5456.5%+5.8%19
SamiraFilter
+0.4254.3%+1.8%42
CorkiFilter
+0.3755.1%+2.5%28
VarusFilter
+0.2653.7%+1.0%45
VayneFilter
+0.1553.1%+0.6%46
BrandFilter
+0.0852.1%+1.6%23
ZiggsFilter
+0.0652.9%+1.5%20
Vel'KozFilter
+0.0553.2%+2.8%12
YasuoFilter
+0.0453.2%+2.5%12
XerathFilter
-0.0952.3%+0.3%15
VeigarFilter
-0.1451.5%-0.1%16
MelFilter
-0.1852.5%-0.9%9
SivirFilter
-0.2251.9%-1.0%58
KalistaFilter
-0.2251.4%-1.0%24
Aurelion SolFilter
-0.2949.2%-1.9%11
SwainFilter
-0.3449.3%-1.6%21
CassiopeiaFilter
-0.3847.5%-3.0%11
ApheliosFilter
-0.4451.2%-2.4%34
Kog'MawFilter
-0.4647.7%-3.4%15
SeraphineFilter
-0.4747.8%-3.1%17
ZeriFilter
-0.4950.0%-2.3%34
HweiFilter
-0.5146.7%-5.7%10
SennaFilter
-0.5249.4%-2.3%35
DravenFilter
-0.6350.0%-2.5%50
VladimirFilter
-0.6646.0%-6.5%13
NilahFilter
-0.7044.3%-7.9%11
TristanaFilter
-1.0046.8%-5.6%29
Miss FortuneFilter
-1.2145.6%-6.8%29
LucianFilter
-1.2748.7%-4.2%69
TwitchFilter
-1.4245.7%-6.0%42
YunaraFilter
-2.4844.3%-9.1%56
support
Karthus's WR vs enemy support. Sort ↓ for Karthus's easiest matchups, ↑ for hardest (strongest counters).
Matchup score from Karthus'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.Karthus's Bayesian-smoothed win rate against this opponent. (wins + 25) / (games + 50).Bidirectional matchup delta: avg of Karthus's gain over its baseline and the opponent's loss against its own. Positive = lopsided in Karthus's favor. Hover a row for the per-side breakdown.Number of games observed. More games = more reliable WR.
LeonaFilter
+2.3960.4%+8.3%56
KarmaFilter
+1.7456.1%+3.6%105
ThreshFilter
+1.3954.9%+3.3%94
BardFilter
+1.3955.0%+3.4%90
SennaFilter
+1.2755.5%+4.2%60
RellFilter
+0.7754.7%+4.0%36
BraumFilter
+0.7154.9%+3.0%41
RakanFilter
+0.6954.3%+3.0%42
AlistarFilter
+0.6455.2%+2.8%37
Vel'KozFilter
+0.4655.9%+4.2%18
SeraphineFilter
+0.4452.3%+1.0%80
PantheonFilter
+0.2954.5%+1.3%27
BlitzcrankFilter
+0.2853.3%+1.9%25
NeekoFilter
+0.2354.4%+1.9%18
PykeFilter
+0.2252.9%+0.8%35
MorganaFilter
+0.1753.3%+0.8%25
TaricFilter
+0.1652.9%+1.3%20
Tahm KenchFilter
+0.1454.0%+1.7%13
GalioFilter
+0.1254.8%+1.2%12
ZyraFilter
+0.0453.2%+0.4%12
SorakaFilter
-0.0851.2%-0.6%75
NamiFilter
-0.0851.6%-0.7%138
AniviaFilter
-0.1150.8%-1.5%11
Renata GlascFilter
-0.1350.0%-1.9%10
XerathFilter
-0.1451.5%-1.9%16
ZileanFilter
-0.1750.0%-1.1%30
SwainFilter
-0.2350.0%-3.4%12
BrandFilter
-0.2450.0%-2.3%20
LuxFilter
-0.2650.7%-2.5%23
CamilleFilter
-0.2649.2%-3.4%13
PoppyFilter
-0.2949.3%-2.7%19
EliseFilter
-0.4445.9%-6.3%11
MelFilter
-0.4447.5%-8.5%9
YuumiFilter
-0.9847.7%-5.5%38
MilioFilter
-1.7345.2%-6.9%54
NautilusFilter
-1.7746.3%-6.0%71
LuluFilter
-1.7947.0%-5.6%84
JannaFilter
-1.8345.1%-6.4%63
SonaFilter
-2.5742.1%-9.6%57
top
Karthus's WR when this ally plays top. Sort ↓ Score for best synergies, ↑ for worst.
Synergy score from Karthus'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 Karthus, negative = ally drags Karthus down. Same shape as the item synergy / counter pick / duo rankings + matchup tables.Karthus's Bayesian-smoothed win rate when paired with this ally.Bidirectional synergy delta: avg of Karthus'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.
RivenFilter
283.060.5%+8.1%66
DariusFilter
217.759.2%+6.9%60
ShenFilter
176.459.8%+6.2%50
JayceFilter
167.156.6%+4.7%86
AmbessaFilter
156.456.9%+5.4%62
OlafFilter
116.459.2%+6.1%32
FioraFilter
108.656.3%+4.6%51
UrgotFilter
101.158.3%+4.9%37
AatroxFilter
75.254.7%+3.0%74
KennenFilter
65.158.9%+5.6%19
K'SanteFilter
57.754.3%+3.0%58
Dr. MundoFilter
48.255.7%+3.4%31
PantheonFilter
47.355.5%+3.2%35
JaxFilter
41.154.5%+2.2%64
OrnnFilter
40.555.2%+2.1%56
WarwickFilter
35.957.5%+5.1%13
IllaoiFilter
35.155.5%+3.3%24
SettFilter
31.354.9%+2.5%36
KayleFilter
29.755.4%+2.3%34
Tahm KenchFilter
28.455.5%+4.4%14
SingedFilter
24.955.0%+2.0%40
VayneFilter
23.753.8%+1.7%82
IreliaFilter
23.254.5%+1.7%59
GragasFilter
22.155.3%+2.6%23
AniviaFilter
11.555.6%+2.2%16
Twisted FateFilter
11.155.1%+2.6%14
ZaahenFilter
8.254.0%+1.7%28
CamilleFilter
5.653.9%+1.3%47
VladimirFilter
2.054.1%+1.8%15
TeemoFilter
1.254.1%+1.2%34
TryndamereFilter
-15.153.2%+0.5%24
RumbleFilter
-15.452.5%+0.7%26
QuinnFilter
-15.653.4%+0.4%24
MordekaiserFilter
-20.151.4%+0.5%19
VarusFilter
-21.052.3%+0.6%32
PoppyFilter
-24.153.0%-0.3%21
AuroraFilter
-27.251.8%-0.6%16
GangplankFilter
-35.252.9%+0.0%51
SmolderFilter
-35.349.3%-0.8%15
Cho'GathFilter
-41.851.4%-0.7%26
KledFilter
-54.052.6%-1.0%39
NasusFilter
-55.351.5%-0.4%47
Xin ZhaoFilter
-60.250.5%-2.2%22
SionFilter
-62.451.7%-0.3%66
GnarFilter
-65.551.2%-0.4%59
AkaliFilter
-79.047.5%-4.2%17
TrundleFilter
-95.444.7%-6.5%14
YorickFilter
-106.449.1%-2.3%41
YoneFilter
-109.650.3%-1.4%65
GwenFilter
-119.445.1%-7.3%17
MalphiteFilter
-152.149.8%-2.8%63
GarenFilter
-154.950.4%-2.6%72
VolibearFilter
-162.544.6%-7.4%24
RenektonFilter
-190.748.7%-3.1%73
YasuoFilter
-277.342.5%-9.7%35
jungle
Karthus's WR when this ally plays jungle. Sort ↓ Score for best synergies, ↑ for worst.
Synergy score from Karthus'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 Karthus, negative = ally drags Karthus down. Same shape as the item synergy / counter pick / duo rankings + matchup tables.Karthus's Bayesian-smoothed win rate when paired with this ally.Bidirectional synergy delta: avg of Karthus'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.
HecarimFilter
256.458.4%+6.7%85
TalonFilter
211.557.4%+4.7%116
Master YiFilter
174.357.6%+5.0%79
Kha'ZixFilter
172.156.9%+4.8%89
ShyvanaFilter
159.060.0%+7.6%37
KindredFilter
127.357.7%+5.1%51
RengarFilter
115.455.8%+3.6%90
Jarvan IVFilter
112.055.2%+3.4%102
Bel'VethFilter
105.959.1%+5.1%38
GravesFilter
54.854.0%+2.0%161
Nunu & WillumpFilter
50.556.9%+3.6%32
KaynFilter
50.254.5%+2.5%71
PantheonFilter
48.857.3%+4.8%22
AmbessaFilter
24.053.6%+2.4%50
NaafiriFilter
19.054.0%+1.7%80
QiyanaFilter
14.254.6%+3.1%21
JaxFilter
12.855.7%+2.9%19
WarwickFilter
12.555.0%+2.3%27
Rek'SaiFilter
6.654.5%+1.2%76
BriarFilter
6.353.5%+1.8%45
EkkoFilter
-9.753.2%+1.5%23
ViegoFilter
-9.952.9%+1.1%118
ZacFilter
-22.952.6%+0.8%24
EliseFilter
-24.952.1%+0.4%13
ViFilter
-26.252.7%+0.7%43
RammusFilter
-33.152.8%-0.2%21
AatroxFilter
-36.453.2%-0.5%23
ShacoFilter
-44.952.1%-0.3%31
ZedFilter
-53.849.4%-0.8%21
Dr. MundoFilter
-56.649.3%-1.8%16
DariusFilter
-68.849.6%-2.9%17
EvelynnFilter
-75.949.2%-3.7%16
NidaleeFilter
-82.148.6%-4.6%15
FiddlesticksFilter
-82.148.2%-4.5%15
IvernFilter
-83.949.9%-3.0%23
SylasFilter
-85.550.7%-1.6%39
JayceFilter
-88.848.5%-2.2%27
Xin ZhaoFilter
-96.051.4%-0.6%92
NocturneFilter
-101.352.1%-1.0%93
UdyrFilter
-102.549.9%-3.0%31
DianaFilter
-111.948.8%-3.3%30
SkarnerFilter
-112.250.1%-3.1%35
WukongFilter
-126.449.9%-2.9%43
Lee SinFilter
-197.850.7%-2.0%144
mid
Karthus's WR when this ally plays mid. Sort ↓ Score for best synergies, ↑ for worst.
Synergy score from Karthus'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 Karthus, negative = ally drags Karthus down. Same shape as the item synergy / counter pick / duo rankings + matchup tables.Karthus's Bayesian-smoothed win rate when paired with this ally.Bidirectional synergy delta: avg of Karthus'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.
AhriFilter
214.358.0%+5.2%80
VladimirFilter
150.658.2%+5.6%45
YasuoFilter
140.754.7%+3.3%136
Twisted FateFilter
116.457.1%+3.8%58
YoneFilter
110.654.0%+3.0%125
AuroraFilter
103.457.0%+5.2%34
KassadinFilter
98.457.7%+5.7%28
MalzaharFilter
96.355.9%+3.7%54
ZedFilter
92.354.4%+2.4%145
RivenFilter
80.357.8%+4.5%29
LissandraFilter
75.156.0%+3.1%49
Xin ZhaoFilter
74.958.2%+5.5%21
LeBlancFilter
70.056.2%+4.0%32
SyndraFilter
68.756.1%+3.6%36
KatarinaFilter
66.955.2%+2.2%85
PantheonFilter
58.158.0%+2.9%32
LuxFilter
53.956.0%+3.7%27
AkshanFilter
53.154.5%+2.1%77
NasusFilter
51.956.5%+4.0%23
AkaliFilter
51.254.2%+2.3%68
GarenFilter
50.958.8%+5.5%14
VeigarFilter
46.057.3%+4.5%17
KayleFilter
31.756.8%+4.1%14
TalonFilter
25.654.0%+1.8%52
Aurelion SolFilter
25.255.3%+3.0%19
ViktorFilter
23.353.9%+1.6%69
DianaFilter
23.255.3%+2.1%27
BrandFilter
13.354.6%+2.5%16
SwainFilter
12.555.1%+2.6%14
EkkoFilter
7.854.3%+1.4%30
ZoeFilter
6.754.1%+1.4%32
SylasFilter
3.753.3%+1.4%40
MelFilter
3.652.0%+2.2%19
RyzeFilter
-9.752.4%+1.0%20
QiyanaFilter
-16.453.1%+0.6%54
AzirFilter
-17.251.5%+0.6%15
VexFilter
-34.851.8%-0.7%20
AnnieFilter
-49.151.9%-1.1%28
HweiFilter
-54.049.9%-2.0%18
SmolderFilter
-62.147.8%-2.2%17
CorkiFilter
-64.446.5%-3.0%14
EzrealFilter
-64.546.0%-2.9%14
CassiopeiaFilter
-88.049.5%-2.7%27
OriannaFilter
-92.948.8%-2.3%31
JayceFilter
-104.150.2%-2.2%42
AniviaFilter
-121.348.1%-3.9%29
TaliyahFilter
-165.945.8%-6.9%25
TristanaFilter
-175.544.7%-5.9%29
IreliaFilter
-180.648.7%-3.6%55
NaafiriFilter
-184.148.9%-3.8%55
GalioFilter
-193.745.8%-6.2%33
FizzFilter
-198.443.2%-10.1%21
XerathFilter
-223.647.3%-5.4%48
support
Karthus's WR when this ally plays support. Sort ↓ Score for best synergies, ↑ for worst.
Synergy score from Karthus'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 Karthus, negative = ally drags Karthus down. Same shape as the item synergy / counter pick / duo rankings + matchup tables.Karthus's Bayesian-smoothed win rate when paired with this ally.Bidirectional synergy delta: avg of Karthus'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
