Karthus is ranked Tier and has a 12.50% win rate in LoL Arena Patch 25.16. We've analyzed 21 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, Zhonya's Hourglass, and Detonation Orb. Karthus's best augments include Trueshot Prodigy (Prismatic), Celestial Body (Gold), and Tank It Or Leave It (Silver). Karthus's Best Arena matchups include Fiora, Poppy, and Shen. Karthus's Best Arena counters are Alistar, Caitlyn, and Diana.
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Best Prismatic Augments for Karthus
Trueshot Prodigy
Tier: A

Doomsayer
Tier: A

Ultimate Roulette
Tier: A

Infernal Conduit
Tier: A

Best Gold Augments for Karthus
Celestial Body
Tier: S

Combo Master
Tier: S

Hat Trick
Tier: S

It's Killing Time
Tier: S

Best Silver Augments for Karthus
Tank It Or Leave It
Tier: S+

ADAPt
Tier: S

Witchful Thinking
Tier: A

Executioner
Tier: A

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

71%
2

57%
3

48%
4

76%
8

57%
11

76%
14

14%
Karthus Boots
Buy %

57%

10%
Karthus Situational Items
Buy %

10%

19%

5%

19%

24%

10%
Karthus Juices
Buy %

4%

0%
Karthus Silver Augment Tier List












Karthus Gold Augment Tier List




















Karthus Prismatic Augment Tier List











