Karthus is ranked Tier and has a 12.50% win rate in LoL Arena Patch 25.08. We've analyzed 16 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Rite Of Ruin, Malignance, Rabadon's Deathcap, Void Staff, and Innervating Locket. Karthus's best augments include Jeweled Gauntlet (Prismatic), Soul Siphon (Gold), and Contract Killer (Silver). Karthus's Best Arena matchups include Gwen, Jax, and Lee Sin. Karthus's Best Arena counters are Karma, Shaco, and Swain.
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Best Prismatic Augments for Karthus
Jeweled Gauntlet
Tier: S

Gamba Anvil
Tier: S

Quest: Wooglet's Witchcap
Tier: A

Ultimate Roulette
Tier: A

Best Gold Augments for Karthus
Soul Siphon
Tier: S+

Big Brain
Tier: S

It's Critical
Tier: S

Thread the Needle
Tier: A

Best Silver Augments for Karthus
Contract Killer
Tier: S

Leg Day
Tier: S

Witchful Thinking
Tier: S

Executioner
Tier: A

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

63%
2

75%
3

13%
4

25%
8

63%
11

81%
14

19%
Karthus Boots
Buy %

75%
Karthus Situational Items
Buy %

6%

44%

38%

6%

6%

6%
Karthus Juices
Buy %

1%

4%

1%
Karthus Silver Augment Tier List















Karthus Gold Augment Tier List















Karthus Prismatic Augment Tier List










