Karthus is ranked Tier and has a 15.38% win rate in LoL Arena Patch 25.14. We've analyzed 15 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Malignance, Liandry's Anguish, Rabadon's Deathcap, Void Staff, and Blackfire Torch. Karthus's best augments include Doomsayer (Prismatic), Thread the Needle (Gold), and Witchful Thinking (Silver). Karthus's Best Arena matchups include Lucian, Aurora, and Bel'Veth. Karthus's Best Arena counters are Alistar, Dr. Mundo, and Galio.
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Best Prismatic Augments for Karthus
Doomsayer
Tier: S

Jeweled Gauntlet
Tier: A

Infernal Conduit
Tier: A

Spellwake
Tier: B

Best Gold Augments for Karthus
Thread the Needle
Tier: S+

Magic Missile
Tier: S

Flashy
Tier: A

Searing Dawn
Tier: A

Best Silver Augments for Karthus
Witchful Thinking
Tier: S+

Overflow
Tier: S

Executioner
Tier: A

ADAPt
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

60%
2

80%
4

73%
8

40%
11

67%
14

47%
17

20%
Karthus Boots
Buy %

80%
Karthus Situational Items
Buy %

20%

7%

13%

7%

7%

20%
Karthus Juices
Buy %

7%

1%

1%
Karthus Silver Augment Tier List












Karthus Gold Augment Tier List
















Karthus Prismatic Augment Tier List






