Karthus is ranked Tier and has a 10.53% win rate in LoL Arena Patch 25.14. We've analyzed 19 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, Bloodletter's Curse, and Infinity Edge. Karthus's best augments include Infernal Conduit (Prismatic), It's Critical (Gold), and ADAPt (Silver). Karthus's Best Arena matchups include Ahri, Galio, and Kog'Maw. Karthus's Best Arena counters are Kassadin, Milio, and Shaco.
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Best Prismatic Augments for Karthus
Infernal Conduit
Tier: S

Accelerating Sorcery
Tier: S

Jeweled Gauntlet
Tier: S

Ultimate Roulette
Tier: A

Best Gold Augments for Karthus
It's Critical
Tier: S+

Vulnerability
Tier: S

Big Brain
Tier: S

From Beginning to End
Tier: A

Best Silver Augments for Karthus
ADAPt
Tier: S+

Infernal Soul
Tier: S

Ice Cold
Tier: S

Dematerialize
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

79%
2

79%
4

26%
8

53%
11

74%
14

11%
17

11%
Karthus Boots
Buy %

79%

5%

5%

5%

5%
Karthus Situational Items
Buy %

5%

5%

21%

37%

63%

5%
Karthus Juices
Buy %

6%

1%

1%
Karthus Silver Augment Tier List

















Karthus Gold Augment Tier List















Karthus Prismatic Augment Tier List












