Karthus is ranked Tier and has a 8.82% win rate in LoL Arena Patch 25.18. We've analyzed 18 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Liandry's Anguish, Malignance, Perplexity, Seraph's Embrace, and Detonation Orb. Karthus's best augments include Ultimate Revolution (Prismatic), Dawnbringer's Resolve (Gold), and Executioner (Silver). Karthus's Best Arena matchups include Kayle, Master Yi, and Senna. Karthus's Best Arena counters are Ashe, Dr. Mundo, and Ornn.
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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
Dawnbringer's Resolve
Tier: S

Searing Dawn
Tier: S

With Haste
Tier: S

Magic Missile
Tier: S

Best Silver Augments for Karthus
Executioner
Tier: S

Infernal Soul
Tier: S

Mind to Matter
Tier: S

Augmented Power
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

83%
2

89%
3

56%
4

39%
8

67%
11

17%
14

28%
Karthus Boots
Buy %

89%

6%
Karthus Situational Items
Buy %

22%

11%

11%

17%

17%

6%
Karthus Juices
Buy %

7%

1%
Karthus Silver Augment Tier List

















Karthus Gold Augment Tier List


















Karthus Prismatic Augment Tier List






