Karthus is ranked Tier and has a 11.51% win rate in LoL Arena Patch 25.09. We've analyzed 50 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Malignance, Rabadon's Deathcap, Shadowflame, Void Staff, and Detonation Orb. Karthus's best augments include Prismatic Egg (Prismatic), Thread the Needle (Gold), and Juice Box (Silver). Karthus's Best Arena matchups include Tryndamere, Jinx, and Diana. Karthus's Best Arena counters are Fiora, Jarvan IV, and Nami.
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Best Prismatic Augments for Karthus
Prismatic Egg
Tier: S+

Slow Cooker
Tier: S

Eureka
Tier: S

Jeweled Gauntlet
Tier: S

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

We'll Be Right Back
Tier: S+

Vanish
Tier: S

Magic Missile
Tier: S

Best Silver Augments for Karthus
Juice Box
Tier: S+

Transmute: Gold
Tier: S+

Parasitic Mutation
Tier: S

Juice Press
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

80%
2

78%
3

32%
4

36%
8

92%
11

36%
14

36%
Karthus Boots
Buy %

78%

6%

2%
Karthus Situational Items
Buy %

36%

20%

28%

6%

2%

8%
Karthus Juices
Buy %

6%

1%

1%
Karthus Silver Augment Tier List

























Karthus Gold Augment Tier List

























Karthus Prismatic Augment Tier List


















