KarthusSupport build

Jungle66%Mid13%Bot12%Support5%Top4%

Win: 47.6%; ▼2.4 vs Support
LP a game: +0.80; ±2.03
Games: 422; a win +21.7 · a loss −18.4
Pick · Ban: 0.06 · 0.19%; as Support · any role

Updated 7 Nov, 03:21 UTCHow we measure

Karthus Support on LAN, patch 26.21: Blackfire Torch, Malignance, Shadowflame; Dark Harvest + Sorcery; skill order Q > E > W (each the most played of 422 games).

Low sample. 422 games, fewer than 1,000. Read these numbers as rough.

Last 30 days

Build

Start

81% · 47.9% won

Spells

50% · 48.8% won

Skills

starts Q W E

35% · 47.6% won

Items 14.1% of games with a core

Blackfire Torch
Malignance
Shadowflame

4th

Rd59.1%won23% · 32pick, 32 games
St61.6%won23% · 32pick, 32 games
Vs56.6%won13% · 18pick, 18 games

all builds

5th

Rd61.0%won38% · 20pick, 20 games

all builds

65.8% won (49.9–78.8) · 38 games

4th: all builds · 5th: all builds. Win rates there are pulled toward the champion's rate at the slot, because a few games say little.

BootsSorcerer's Shoes57% · 51.0% won

Skill path 24% of games · 48.4% won

Skill path: the first 11 points measured, levels 12 to 18 from the max order
Ability	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18
QQ	1			4	5		7		9
WW		2												14	15		17	18
EE			3					8		10		12	13
RR						6					11					16

Core items

ItemsPickWin
Blackfire Torch › Malignance › Shadowflame38 gamesMost playedFew games14%65.8%50% to 79%
Malignance › Liandry's Torment › Shadowflame24 gamesFew games8.9%58.3%39% to 76%

Skills

starts Q W E35%47.6%145
starts Q E WFew games24%45.5%99
starts Q W EFew games13%61.1%54
starts Q E QFew games6.8%64.3%28

Starting items

2 × Health Potion81% · 47.9% won · 292 games

Control Ward Few games9.4%44.1% won
Health Potion Few games6.6%41.7% won

Boots

Sorcerer's Shoes57% · 51.0% won · 241 games

No boots 30%44.4% won
Ionian Boots of Lucidity Few games12%42.0% won

Summoner spells

Exhaust + Flash50% · 48.8% won · 213 games

Flash + Ignite 28%44.4% won
Flash + Heal Few games5.5%39.1% won

Every option as a table32 options

Every build option with its pick, win rate and 95% range
Option	Pick	Win	95% range	Games
Core items
Blackfire Torch › Malignance › ShadowflameFew games	14%	65.8%	49.9%–78.8%	38
Malignance › Liandry's Torment › ShadowflameFew games	8.9%	58.3%	38.8%–75.5%	24
4th item, of 139 games that reached it
Rabadon's DeathcapFew games	23%	59.4%	42.3%–74.5%	32
StormsurgeFew games	23%	65.6%	48.3%–79.6%	32
ShadowflameFew games	15%	38.1%	20.8%–59.1%	21
5th item, of 52 games that reached it
Rabadon's DeathcapFew games	38%	55.0%	34.2%–74.2%	20
Boots
Sorcerer's Shoes	57%	51.0%	44.8%–57.3%	241
No boots	30%	44.4%	36.1%–53.2%	126
Ionian Boots of LucidityFew games	12%	42.0%	29.4%–55.8%	50
Starting items
2 × Health Potion	81%	47.9%	42.3%–53.7%	292
Control WardFew games	9.4%	44.1%	28.9%–60.6%	34
Health PotionFew games	6.6%	41.7%	24.5%–61.2%	24
Summoner spells
Exhaust + Flash	50%	48.8%	42.2%–55.5%	213
Flash + Ignite	28%	44.4%	35.8%–53.5%	117
Flash + HealFew games	5.5%	39.1%	22.2%–59.2%	23
Flash + TeleportFew games	5.0%	61.9%	40.9%–79.3%	21
Skill order
Max Q E W · starts Q W E	35%	47.6%	39.6%–55.7%	145
Max Q E W · starts Q E WFew games	24%	45.5%	36.0%–55.3%	99
Max Q W E · starts Q W EFew games	13%	61.1%	47.8%–73.0%	54
Max Q E W · starts Q E QFew games	6.8%	64.3%	45.8%–79.3%	28
First 11 skill points
Q W E Q Q R Q E Q E RFew games	24%	48.4%	38.6%–58.3%	95
Q E W Q Q R Q E Q E RFew games	18%	44.3%	33.3%–55.9%	70
Q E Q W Q R Q E Q E RFew games	6.3%	60.0%	40.7%–76.6%	25
Q W E Q Q R Q W Q W RFew games	5.5%	54.6%	34.7%–73.1%	22
Finished items
Zaz'Zak's Realmspike	77%	47.8%	42.5%–53.3%	324
Liandry's Torment	35%	51.4%	43.4%–59.3%	148
StormsurgeFew games	22%	59.6%	49.5%–68.9%	94
Rabadon's DeathcapFew games	20%	54.1%	43.6%–64.3%	85
Void StaffFew games	13%	54.7%	41.4%–67.3%	53
MorellonomiconFew games	6.4%	44.4%	27.6%–62.7%	27
Zhonya's HourglassFew games	5.7%	62.5%	42.7%–78.8%	24
Rylai's Crystal ScepterFew games	5.2%	59.1%	38.7%–76.7%	22