Karthus is ranked Tier and has a 9.09% win rate in LoL Arena Patch 25.13. We've analyzed 75 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Malignance, Liandry's Anguish, Rabadon's Deathcap, Shadowflame, and Detonation Orb. Karthus's best augments include Feel the Burn (Prismatic), Recursion (Gold), and Contract Killer (Silver). Karthus's Best Arena matchups include Azir, Yuumi, and Camille. Karthus's Best Arena counters are Ryze, Fiora, and Nidalee.
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Best Prismatic Augments for Karthus
Feel the Burn
Tier: S+

Quest: Wooglet's Witchcap
Tier: S+

Jeweled Gauntlet
Tier: S

Chain Lightning
Tier: S

Best Gold Augments for Karthus
Recursion
Tier: S+

Skilled Sniper
Tier: S

Summoner Revolution
Tier: S

Combo Master
Tier: S

Best Silver Augments for Karthus
Contract Killer
Tier: S+

Tank It Or Leave It
Tier: S+

Repulsor
Tier: S

Don't Chase
Tier: S

Karthus Skill Order
![]() | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
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![]() | R | R | R |
Karthus Items by Round
Buy %
1

80%
2

87%
3

36%
4

32%
8

47%
11

60%
14

25%
Karthus Boots
Buy %

87%

1%

1%

1%
Karthus Situational Items
Buy %

20%

12%

16%

12%

7%

13%
Karthus Juices
Buy %

4%

1%

0%
Karthus Prismatic Item Tier List

Karthus Silver Augment Tier List

































Karthus Gold Augment Tier List





























Karthus Prismatic Augment Tier List

























