Karthus is ranked Tier and has a 9.44% win rate in LoL Arena Patch 25.09. We've analyzed 22 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Blackfire Torch, Rabadon's Deathcap, Void Staff, Morellonomicon, and Pyromancer's Cloak. Karthus's best augments include Eureka (Prismatic), Thread the Needle (Gold), and Juice Box (Silver). Karthus's Best Arena matchups include Naafiri, Tryndamere, and Annie. Karthus's Best Arena counters are Blitzcrank, Lee Sin, and Pantheon.
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Best Prismatic Augments for Karthus
Eureka
Tier: S+

Slow Cooker
Tier: S

Jeweled Gauntlet
Tier: S

Stats on Stats on Stats!
Tier: A

Best Gold Augments for Karthus
Thread the Needle
Tier: S

Vulnerability
Tier: S

We'll Be Right Back
Tier: S

It's Killing Time
Tier: S

Best Silver Augments for Karthus
Juice Box
Tier: S

Transmute: Gold
Tier: S

Dive Bomber
Tier: A

Erosion
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

77%
2

82%
3

23%
4

14%
8

105%
11

41%
14

36%
Karthus Boots
Buy %

82%

5%

5%
Karthus Situational Items
Buy %

41%

5%

9%

5%

18%

23%
Karthus Juices
Buy %

5%

0%

1%
Karthus Silver Augment Tier List














Karthus Gold Augment Tier List



















Karthus Prismatic Augment Tier List














