Karthus is ranked Tier and has a 42.86% win rate in LoL Arena Patch 25.15. We've analyzed 7 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Blackfire Torch, Liandry's Anguish, Rabadon's Deathcap, Void Staff, and Pyromancer's Cloak. Karthus's best augments include Infernal Conduit (Prismatic), Defensive Maneuvers (Gold), and Erosion (Silver). Karthus's Best Arena matchups include Jax.
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Best Prismatic Augments for Karthus
Infernal Conduit
Tier: C

Wisdom of Ages
Tier: C

Spellwake
Tier: C

Doomsayer
Tier: D

Best Gold Augments for Karthus
Defensive Maneuvers
Tier: B

Keystone Conjurer
Tier: B

Thread the Needle
Tier: B

Big Brain
Tier: B

Best Silver Augments for Karthus
Erosion
Tier: A

Juice Box
Tier: A

Parasitic Mutation
Tier: A

Mind to Matter
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

86%
2

71%
3

43%
4

86%
8

71%
11

86%
14

43%
Karthus Boots
Buy %

71%

14%
Karthus Situational Items
Buy %

86%

14%

14%

14%

14%
Karthus Juices
Buy %

3%

3%

1%
Karthus Silver Augment Tier List








Karthus Gold Augment Tier List









Karthus Prismatic Augment Tier List



