Karthus is ranked Tier and has a 14.02% win rate in LoL Arena Patch 25.13. We've analyzed 72 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Liandry's Anguish, Malignance, Rabadon's Deathcap, Shadowflame, and Detonation Orb. Karthus's best augments include Wisdom of Ages (Prismatic), Soul Siphon (Gold), and Juice Box (Silver). For team partners, the best champions include: Vladimir. Karthus's Best Arena matchups include Kha'Zix, Kog'Maw, and Bard. Karthus's Best Arena counters are Ahri, Illaoi, and Maokai.
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Best Prismatic Augments for Karthus
Wisdom of Ages
Tier: S+

Gamba Anvil
Tier: S+

Jeweled Gauntlet
Tier: S

Infernal Conduit
Tier: S

Best Gold Augments for Karthus
Soul Siphon
Tier: S+

Shrink Ray
Tier: S+

Dawnbringer's Resolve
Tier: S+

Phenomenal Evil
Tier: S

Best Silver Augments for Karthus
Juice Box
Tier: S+

Mountain Soul
Tier: S+

Flashbang
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

71%
2

78%
3

32%
4

64%
8

44%
11

74%
14

36%
Karthus Boots
Buy %

78%

4%

1%

3%
Karthus Situational Items
Buy %

18%

18%

21%

8%

7%

7%
Karthus Juices
Buy %

6%

1%

1%
Karthus Prismatic Item Tier List

Karthus Silver Augment Tier List
































Karthus Gold Augment Tier List


































Karthus Prismatic Augment Tier List























