Karthus is ranked Tier and has a 8.33% win rate in LoL Arena Patch 25.13. We've analyzed 14 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Morellonomicon, Rabadon's Deathcap, Zhonya's Hourglass, Luden's Companion, and Stormsurge. Karthus's best augments include Eureka (Prismatic), Perseverance (Gold), and Infernal Soul (Silver). Karthus's Best Arena matchups include Zyra and Smolder. Karthus's Best Arena counters are Ekko, Fiora, and Gragas.
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Best Prismatic Augments for Karthus
Eureka
Tier: S+

Spellwake
Tier: S

Jeweled Gauntlet
Tier: A

Doomsayer
Tier: A

Best Gold Augments for Karthus
Perseverance
Tier: S+

Magic Missile
Tier: S

Symbiotic Mutation
Tier: A

It's Killing Time
Tier: A

Best Silver Augments for Karthus
Infernal Soul
Tier: S+

Witchful Thinking
Tier: S

Ice Cold
Tier: A

ADAPt
Tier: A

Karthus 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

14%
2

79%
4

36%
8

79%
11

36%
14

14%
17

7%
Karthus Boots
Buy %

79%

7%

7%
Karthus Situational Items
Buy %

14%

36%

21%

21%

7%

14%
Karthus Juices
Buy %

1%

6%
Karthus Silver Augment Tier List











Karthus Gold Augment Tier List













Karthus Prismatic Augment Tier List










