Tier: BWin6.70%Pick7.11%Ban1.34%Games: 106KDA: 2.01Score: 43.21
Karthus is ranked B Tier and has a 6.70% win rate in LoL Arena Patch 25.14. We've analyzed 106 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Liandry's Anguish, Malignance, Rabadon's Deathcap, Void Staff, and Pyromancer's Cloak. Karthus's best augments include Omni Soul (Prismatic), It's Killing Time (Gold), and Frozen Foundations (Silver). For team partners, the best champions include: Fiora. Karthus's Best Arena matchups include Yorick. Karthus's Best Arena counters are Azir, Fizz, and Kassadin.
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Best Prismatic Augments for Karthus
Omni Soul
Tier: S+

Jeweled Gauntlet
Tier: S+

Doomsayer
Tier: S

Infernal Conduit
Tier: S

Best Gold Augments for Karthus
It's Killing Time
Tier: S+

Stats on Stats!
Tier: S+

With Haste
Tier: S+

Big Brain
Tier: S

Best Silver Augments for Karthus
Frozen Foundations
Tier: S+

ADAPt
Tier: S+

Witchful Thinking
Tier: S+

Overflow
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

69%
2

80%
3

27%
4

56%
8

48%
11

82%
14

32%
Karthus Boots
Buy %

80%

1%

1%

6%
Karthus Situational Items
Buy %

29%

8%

10%

18%

8%

3%
Karthus Juices
Buy %

5%

1%

1%
Karthus Prismatic Item Tier List




Karthus Silver Augment Tier List





































Karthus Gold Augment Tier List







































Karthus Prismatic Augment Tier List

























