Karthus is ranked Tier and has a 31.25% win rate in LoL Arena Patch 25.09. We've analyzed 16 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Rabadon's Deathcap, Void Staff, Morellonomicon, Shadowflame, and Decapitator. Karthus's best augments include Eureka (Prismatic), We'll Be Right Back (Gold), and Witchful Thinking (Silver). Karthus's Best Arena matchups include Ambessa, Cho'Gath, and Galio. Karthus's Best Arena counters are Kog'Maw, Malphite, and Soraka.
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Best Prismatic Augments for Karthus
Eureka
Tier: S+

Gamba Anvil
Tier: S

Spellwake
Tier: A

Chain Lightning
Tier: A

Best Gold Augments for Karthus
We'll Be Right Back
Tier: S+

Magic Missile
Tier: S

Phenomenal Evil
Tier: S

From Beginning to End
Tier: A

Best Silver Augments for Karthus
Witchful Thinking
Tier: S+

Executioner
Tier: A

ADAPt
Tier: A

Hold Very Still
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

69%
2

88%
3

19%
4

75%
8

31%
11

25%
14

50%
Karthus Boots
Buy %

88%
Karthus Situational Items
Buy %

19%

44%

25%

50%

6%

19%
Karthus Juices
Buy %

8%

3%

1%
Karthus Silver Augment Tier List















Karthus Gold Augment Tier List
















Karthus Prismatic Augment Tier List










