Karthus is ranked Tier and has a 27.78% win rate in LoL Arena Patch 25.08. We've analyzed 15 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Liandry's Anguish, Rabadon's Deathcap, Void Staff, Malignance, and Detonation Orb. Karthus's best augments include Jeweled Gauntlet (Prismatic), Soul Siphon (Gold), and Contract Killer (Silver). Karthus's Best Arena matchups include Vayne, Rammus, and Smolder. Karthus's Best Arena counters are Graves, Illaoi, and Kai'Sa.
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Best Prismatic Augments for Karthus
Jeweled Gauntlet
Tier: S

Can't Touch This
Tier: A

Feel the Burn
Tier: A

Omni Soul
Tier: A

Best Gold Augments for Karthus
Soul Siphon
Tier: S+

From Beginning to End
Tier: S

Phenomenal Evil
Tier: S

Stats on Stats!
Tier: A

Best Silver Augments for Karthus
Contract Killer
Tier: S+

Juice Press
Tier: S

Ice Cold
Tier: A

Witchful Thinking
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

80%
2

67%
3

53%
4

60%
8

80%
11

40%
14

27%
Karthus Boots
Buy %

67%

7%
Karthus Situational Items
Buy %

7%

7%

7%

7%

40%

13%
Karthus Juices
Buy %

4%

1%
Karthus Silver Augment Tier List












Karthus Gold Augment Tier List














Karthus Prismatic Augment Tier List









