Karthus is ranked Tier and has a 10.53% win rate in LoL Arena Patch 25.18. We've analyzed 22 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Malignance, Void Staff, Perplexity, Seraph's Embrace, and Detonation Orb. Karthus's best augments include Ultimate Revolution (Prismatic), Magic Missile (Gold), and Executioner (Silver). Karthus's Best Arena matchups include Senna, Sett, and Smolder. Karthus's Best Arena counters are Ashe, Bard, and Darius.
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Best Prismatic Augments for Karthus
Ultimate Revolution
Tier: A

Doomsayer
Tier: A

Quantum Computing
Tier: A

Jeweled Gauntlet
Tier: B

Best Gold Augments for Karthus
Magic Missile
Tier: S+

Dawnbringer's Resolve
Tier: S

Searing Dawn
Tier: S

Combo Master
Tier: S

Best Silver Augments for Karthus
Executioner
Tier: S

Infernal Soul
Tier: S

Goredrink
Tier: S

ADAPt
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

77%
2

91%
3

55%
4

64%
8

23%
11

14%
14

27%
Karthus Boots
Buy %

91%

5%
Karthus Situational Items
Buy %

9%

18%

9%

9%

9%

68%
Karthus Juices
Buy %

9%

1%
Karthus Silver Augment Tier List




















Karthus Gold Augment Tier List




















Karthus Prismatic Augment Tier List







