Karthus is ranked Tier and has a 28.44% win rate in LoL Arena Patch 25.18. We've analyzed 38 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Malignance, Liandry's Anguish, Zhonya's Hourglass, Rabadon's Deathcap, and Pyromancer's Cloak. Karthus's best augments include Accelerating Sorcery (Prismatic), With Haste (Gold), and Clothesline (Silver). Karthus's Best Arena matchups include Gragas, Malphite, and Teemo. Karthus's Best Arena counters are Annie, Aphelios, and Garen.
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Best Prismatic Augments for Karthus
Accelerating Sorcery
Tier: S+

Infernal Conduit
Tier: S

Jeweled Gauntlet
Tier: S

Chauffeur
Tier: A

Best Gold Augments for Karthus
With Haste
Tier: S+

Tank Engine
Tier: S+

And My Axe!
Tier: S

Combo Master
Tier: S

Best Silver Augments for Karthus
Clothesline
Tier: S

Transmute: Gold
Tier: S

Stats!
Tier: S

Tank It Or Leave It
Tier: S

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

66%
2

61%
3

34%
4

58%
8

39%
11

34%
14

92%
Karthus Boots
Buy %

61%

3%
Karthus Situational Items
Buy %

24%

21%

13%

13%

13%

34%
Karthus Juices
Buy %

7%

1%

1%
Karthus Silver Augment Tier List



















Karthus Gold Augment Tier List






















Karthus Prismatic Augment Tier List














