Karthus is ranked Tier and has a 4.09% win rate in LoL Arena Patch 25.09. We've analyzed 77 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Liandry's Anguish, Malignance, Rabadon's Deathcap, Shadowflame, and Void Staff. Karthus's best augments include Mad Scientist (Prismatic), Rabble Rousing (Gold), and Slime Time (Silver). Karthus's Best Arena matchups include Akali, Braum, and Kassadin. Karthus's Best Arena counters are Renata Glasc, Lux, and Lillia.
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Best Prismatic Augments for Karthus
Mad Scientist
Tier: S+
Tier: S+Wisdom of AgesTier: S+
Tier: S+Quest: Wooglet's WitchcapTier: S
Tier: SJeweled GauntletTier: S
Tier: SBest Gold Augments for Karthus
Rabble RousingTier: S+
Tier: S+With HasteTier: S+
Tier: S+Quest: Urf's ChampionTier: S+
Tier: S+Die Another DayTier: S
Tier: SBest Silver Augments for Karthus
Slime TimeTier: S+
Tier: S+Numb to PainTier: S+
Tier: S+Ice ColdTier: S
Tier: SADAPtTier: S
Tier: SKarthus Skill Order
 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Q | Q | Q | Q | Q | |||||||||||||
 | W | W | W | W | W | |||||||||||||
 | E | E | E | E | E | |||||||||||||
 | R | R | R |
Karthus Items by Round
Buy %
1
74%
2
70%
4
49%
8
57%
11
79%
14
26%
17
23%
Karthus Boots
Buy %
70%
10%
1%
1%
Karthus Situational Items
Buy %
14%
22%
9%
10%
14%
13%
Karthus Juices
Buy %
7%
0%
1%
Karthus Silver Augment Tier List
S+S+SS
S
S
S
A
A
A
A
A
A
A
B
B
B
B
B
B
B
B
C
C
C
C
D
D
D
DKarthus Gold Augment Tier List
S+S+S+S
S
S
S
S
A
A
A
A
A
A
A
A
B
B
B
B
B
B
B
B
B
C
C
C
C
C
D
D
D
DKarthus Prismatic Augment Tier List
S+S+SS
S
S
S
A
A
A
A
A
A
A
B
B
B
B
B
B
B
C
C
C
C
C
D
D
D
D
Average Karthus Duo Champions in Arena(49% - 51% top 2 rate with Karthus)
Below Average Karthus Duo Champions in Arena(under 49% top 2 rate with Karthus)
Even Matchups for Karthus in Arena(49% - 51% top 2 rate for Karthus)
