Tier: BWin13.73%Pick7.53%Ban1.57%Games: 102KDA: 1.88Score: 45.03
Karthus is ranked B Tier and has a 13.73% win rate in LoL Arena Patch 25.16. We've analyzed 102 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Malignance, Liandry's Anguish, Rabadon's Deathcap, Void Staff, and Detonation Orb. Karthus's best augments include Accelerating Sorcery (Prismatic), Extendo-Arm (Gold), and Contract Killer (Silver). For team partners, the best champions include: Lee Sin, Lucian, and Zed. Karthus's Best Arena matchups include Renata Glasc, Kennen, and Fiddlesticks. Karthus's Best Arena counters are Ambessa, Lulu, and Zeri.
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Best Prismatic Augments for Karthus
Accelerating Sorcery
Tier: S+

Transmute: Chaos
Tier: S+

Jeweled Gauntlet
Tier: S

Infernal Conduit
Tier: S

Best Gold Augments for Karthus
Extendo-Arm
Tier: S+

Searing Dawn
Tier: S+

It's Killing Time
Tier: S+

Shrink Ray
Tier: S

Best Silver Augments for Karthus
Contract Killer
Tier: S

Erosion
Tier: S

Don't Chase
Tier: S

Mirror Image
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

83%
2

77%
3

33%
4

51%
8

59%
11

84%
14

34%
Karthus Boots
Buy %

77%

1%

2%

1%
Karthus Situational Items
Buy %

26%

36%

14%

7%

18%

5%
Karthus Juices
Buy %

8%

2%

2%
Karthus Prismatic Item Tier List




Karthus Silver Augment Tier List

































Karthus Gold Augment Tier List







































Karthus Prismatic Augment Tier List

























