Karthus is ranked Tier and has a 25.00% win rate in LoL Arena Patch 25.09. We've analyzed 10 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Rabadon's Deathcap, Shadowflame, Void Staff, Morellonomicon, and Seraph's Embrace. Karthus's best augments include Chain Lightning (Prismatic), Vanish (Gold), and Executioner (Silver). Karthus's Best Arena matchups include Lux, Naafiri, and Tryndamere.
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Best Prismatic Augments for Karthus
Chain Lightning
Tier: A

Doomsayer
Tier: A

Jeweled Gauntlet
Tier: A

Eureka
Tier: B

Best Gold Augments for Karthus
Vanish
Tier: S+

Magic Missile
Tier: S

Big Brain
Tier: S

It's Killing Time
Tier: A

Best Silver Augments for Karthus
Executioner
Tier: B

Juice Press
Tier: B

Firefox
Tier: B

Witchful Thinking
Tier: B

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

80%
4

90%
8

70%
11

60%
14

30%
17

10%
Karthus Boots
Buy %

80%

10%
Karthus Situational Items
Buy %

40%

10%

20%

20%

10%

10%
Karthus Juices
Buy %

9%

3%

2%
Karthus Silver Augment Tier List






Karthus Gold Augment Tier List













Karthus Prismatic Augment Tier List






