Karthus is ranked Tier and has a 13.49% win rate in LoL Arena Patch 25.08. We've analyzed 22 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Liandry's Anguish, Rabadon's Deathcap, Rite Of Ruin, Luden's Companion, Morellonomicon, and Night Harvester. Karthus's best augments include Mad Scientist (Prismatic), Banner of Command (Gold), and Executioner (Silver). Karthus's Best Arena matchups include Kog'Maw, Pyke, and Kalista. Karthus's Best Arena counters are Alistar, Xin Zhao, and Ezreal.
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Best Prismatic Augments for Karthus
Mad Scientist
Tier: S+

Chauffeur
Tier: S

Jeweled Gauntlet
Tier: S

Wisdom of Ages
Tier: A

Best Gold Augments for Karthus
Banner of Command
Tier: S+

Apex Inventor
Tier: S

Soul Siphon
Tier: S

Keystone Conjurer
Tier: S

Best Silver Augments for Karthus
Executioner
Tier: S+

Overflow
Tier: S

Witchful Thinking
Tier: A

First-Aid Kit
Tier: A

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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![]() | Q | Q | Q | Q | Q | |||||||||||||
![]() | W | W | W | W | W | |||||||||||||
![]() | E | E | E | E | E | |||||||||||||
![]() | R | R | R |
Karthus Items by Round
Buy %
1

27%
3

18%
4

50%
5

45%
8

27%
14

14%
17

14%
Karthus Boots
Buy %

50%

5%
Karthus Situational Items
Buy %

18%

9%

14%

23%

18%

32%
Karthus Juices
Buy %

5%

1%
Karthus Silver Augment Tier List











Karthus Gold Augment Tier List





















Karthus Prismatic Augment Tier List













