Karthus is ranked Tier and has a 16.07% win rate in LoL Arena Patch 25.09. We've analyzed 30 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Rabadon's Deathcap, Void Staff, Shadowflame, Zhonya's Hourglass, and Pyromancer's Cloak. Karthus's best augments include Doomsayer (Prismatic), Apex Inventor (Gold), and Juice Box (Silver). Karthus's Best Arena matchups include Jinx, Lux, and Teemo. Karthus's Best Arena counters are Ezreal, Darius, and Fiora.
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Best Prismatic Augments for Karthus
Doomsayer
Tier: S+
Tier: S+EurekaTier: S
Tier: SChain LightningTier: S
Tier: SOmni SoulTier: A
Tier: ABest Gold Augments for Karthus
Apex InventorTier: S
Tier: SVanishTier: S
Tier: SMagic MissileTier: S
Tier: SIt's Killing TimeTier: S
Tier: SBest Silver Augments for Karthus
Juice BoxTier: S
Tier: STransmute: GoldTier: S
Tier: SJuice PressTier: A
Tier: AFirefoxTier: A
Tier: AKarthus 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
73%
2
83%
3
13%
4
93%
8
40%
11
40%
14
23%
Karthus Boots
Buy %
83%
7%
Karthus Situational Items
Buy %
30%
37%
23%
7%
3%
3%
Karthus Juices
Buy %
5%
1%
1%
Karthus Silver Augment Tier List
SSAA
A
A
A
B
B
B
B
C
C
C
D
DKarthus Gold Augment Tier List
SSSS
A
A
A
A
B
B
B
B
B
C
C
C
D
DKarthus Prismatic Augment Tier List
S+SSA
A
A
B
B
B
B
CC
D
D
Average Karthus Duo Champions in Arena(49% - 51% top 2 rate with Karthus)
Even Matchups for Karthus in Arena(49% - 51% top 2 rate for Karthus)
