Karthus is ranked Tier and has a 18.06% win rate in LoL Arena Patch 25.13. We've analyzed 31 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Riftmaker, Blackfire Torch, Liandry's Anguish, Rabadon's Deathcap, and Pyromancer's Cloak. Karthus's best augments include Slow Cooker (Prismatic), Firebrand (Gold), and Transmute: Gold (Silver). For team partners, the best champions include: Swain. Karthus's Best Arena matchups include Corki, Ezreal, and Garen. Karthus's Best Arena counters are Sion, Alistar, and Amumu.
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Best Prismatic Augments for Karthus
Slow Cooker
Tier: S+

Stats on Stats on Stats!
Tier: S

Infernal Conduit
Tier: S

Fey Magic
Tier: A

Best Gold Augments for Karthus
Firebrand
Tier: S

Stats on Stats!
Tier: S

Transmute: Prismatic
Tier: S

It's Killing Time
Tier: S

Best Silver Augments for Karthus
Transmute: Gold
Tier: S

Tank Engine
Tier: S

Don't Blink
Tier: S

Witchful Thinking
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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![]() | Q | Q | Q | Q | Q | |||||||||||||
![]() | W | W | W | W | W | |||||||||||||
![]() | E | E | E | E | E | |||||||||||||
![]() | R | R | R |
Karthus Items by Round
Buy %
1

71%
2

87%
3

32%
4

10%
8

32%
11

55%
14

71%
Karthus Boots
Buy %

87%

10%
Karthus Situational Items
Buy %

39%

6%

6%

3%

6%

3%
Karthus Juices
Buy %

4%

1%

0%
Karthus Silver Augment Tier List



















Karthus Gold Augment Tier List






















Karthus Prismatic Augment Tier List















