Karthus is ranked Tier and has a 10.91% win rate in LoL Arena Patch 25.07. We've analyzed 65 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Liandry's Anguish, Rabadon's Deathcap, Malignance, Void Staff, and Detonation Orb. Karthus's best augments include Trueshot Prodigy (Prismatic), Flashy (Gold), and Juice Box (Silver). For team partners, the best champions include: Galio and Jinx. Karthus's Best Arena matchups include Renata Glasc, Darius, and Diana. Karthus's Best Arena counters are Kai'Sa, Ekko, and Fiddlesticks.
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Best Prismatic Augments for Karthus
Trueshot Prodigy
Tier: S+

Earthwake
Tier: S+

Spellwake
Tier: S

Can't Touch This
Tier: S

Best Gold Augments for Karthus
Flashy
Tier: S+

And My Axe!
Tier: S+

Big Brain
Tier: S

Oathsworn
Tier: S

Best Silver Augments for Karthus
Juice Box
Tier: S+

Typhoon
Tier: S

Serve Beyond Death
Tier: S

Warmup Routine
Tier: S

Karthus Skill Order
![]() | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
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![]() | W | W | W | W | W | |||||||||||||
![]() | E | E | E | E | E | |||||||||||||
![]() | R | R | R |
Karthus Items by Round
Buy %
1

86%
2

71%
3

46%
4

63%
8

72%
11

43%
14

35%
Karthus Boots
Buy %

71%

5%

2%

2%
Karthus Situational Items
Buy %

40%

14%

14%

14%

5%

9%
Karthus Juices
Buy %

7%

2%

2%
Karthus Silver Augment Tier List

























Karthus Gold Augment Tier List






























Karthus Prismatic Augment Tier List




















