Karthus is ranked Tier and has a 21.28% win rate in LoL Arena Patch 25.09. We've analyzed 71 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Liandry's Anguish, Rabadon's Deathcap, Void Staff, Morellonomicon, and Detonation Orb. Karthus's best augments include Chain Lightning (Prismatic), And My Axe! (Gold), and Fallen Aegis (Silver). Karthus's Best Arena matchups include Hwei, Fiora, and Graves. Karthus's Best Arena counters are Gragas, Sylas, and Blitzcrank.
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Best Prismatic Augments for Karthus
Chain Lightning
Tier: S+

Summoner's Roulette
Tier: S

Feel the Burn
Tier: S

Center of the Universe
Tier: S

Best Gold Augments for Karthus
And My Axe!
Tier: S+

OK Boomerang
Tier: S+

Quest: Urf's Champion
Tier: S+

Flashy
Tier: S

Best Silver Augments for Karthus
Fallen Aegis
Tier: S+

Goredrink
Tier: S

Juice Press
Tier: S

Serve Beyond Death
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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![]() | R | R | R |
Karthus Items by Round
Buy %
1

76%
2

77%
3

32%
4

55%
8

86%
11

37%
14

20%
Karthus Boots
Buy %

77%

4%

1%
Karthus Situational Items
Buy %

39%

54%

6%

20%

15%

15%
Karthus Juices
Buy %

7%

1%

1%
Karthus Prismatic Item Tier List

Karthus Silver Augment Tier List






























Karthus Gold Augment Tier List



































Karthus Prismatic Augment Tier List
























