Karthus is ranked Tier and has a 9.35% win rate in LoL Arena Patch 14.17. We've analyzed 39 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Liandry's Torment, Malignance, Rabadon's Deathcap, Void Staff, and Shadowflame. Karthus's best augments include Infernal Conduit (Prismatic), Keystone Conjurer (Gold), and Don't Blink (Silver). Karthus's Best Arena matchups include Kayle, Skarner, and Xin Zhao. Karthus's Best Arena counters are Darius, Ivern, and Kayn.
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Best Prismatic Augments for Karthus
Infernal Conduit
Tier: S+

Spellwake
Tier: S

Quest: Wooglet's Witchcap
Tier: S

Omni Soul
Tier: A

Best Gold Augments for Karthus
Keystone Conjurer
Tier: S+

Soul Siphon
Tier: S+

Ethereal Weapon
Tier: S

Vanish
Tier: S

Best Silver Augments for Karthus
Don't Blink
Tier: S+

Witchful Thinking
Tier: S

ADAPt
Tier: S

Executioner
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

87%
2

92%
4

87%
8

41%
11

85%
14

49%
17

26%
Karthus Boots
Buy %

92%

8%

5%
Karthus Situational Items
Buy %

26%

28%

8%

3%

13%

3%
Karthus Juices
Buy %

4%

1%
Karthus Silver Augment Tier List














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
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Karthus Gold Augment Tier List













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






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
Karthus Prismatic Augment Tier List











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

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