Karthus is ranked Tier and has a 11.11% win rate in LoL Arena Patch 25.13. We've analyzed 9 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 Infernal Conduit (Prismatic), Divine Intervention (Gold), and Executioner (Silver). Karthus's Best Arena matchups include Jayce and Nautilus. Karthus's Best Arena counters are Elise, Ezreal, and Pantheon.
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Best Prismatic Augments for Karthus
Infernal Conduit
Tier: S

Spellwake
Tier: A

Omni Soul
Tier: A

Quest: Wooglet's Witchcap
Tier: C

Best Gold Augments for Karthus
Divine Intervention
Tier: S+

Transmute: Prismatic
Tier: S

It's Killing Time
Tier: A

Recursion
Tier: A

Best Silver Augments for Karthus
Executioner
Tier: S

Homeguard
Tier: A

Stats!
Tier: B

Fire Sale
Tier: D

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

78%
2

78%
3

22%
4

33%
8

89%
11

78%
14

44%
Karthus Boots
Buy %

78%

33%
Karthus Situational Items
Buy %

44%

11%

11%

22%

11%

11%
Karthus Juices
Buy %

2%

4%

2%
Karthus Silver Augment Tier List





Karthus Gold Augment Tier List











Karthus Prismatic Augment Tier List







