Karthus is ranked Tier and has a 26.94% win rate in LoL Arena Patch 25.13. We've analyzed 148 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Liandry's Anguish, Rabadon's Deathcap, Shadowflame, Void Staff, and Detonation Orb. Karthus's best augments include Prismatic Egg (Prismatic), It's Critical (Gold), and Goredrink (Silver). For team partners, the best champions include: Udyr and Malphite. Karthus's Best Arena matchups include Renata Glasc, Illaoi, and Veigar. Karthus's Best Arena counters are Varus, Vi, and Samira.
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Best Prismatic Augments for Karthus
Prismatic Egg
Tier: S+

Laser Eyes
Tier: S

Back To Basics
Tier: S

Spellwake
Tier: S

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

And My Axe!
Tier: S+

Symbiotic Mutation
Tier: S+

Rabble Rousing
Tier: S

Best Silver Augments for Karthus
Goredrink
Tier: S+

Light 'em Up!
Tier: S+

Ultimate Unstoppable
Tier: S+

Flashbang
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

66%
2

80%
3

30%
4

68%
8

80%
11

39%
14

29%
Karthus Boots
Buy %

80%

3%

1%
Karthus Situational Items
Buy %

49%

15%

18%

12%

5%

7%
Karthus Juices
Buy %

9%

2%

1%
Karthus Prismatic Item Tier List

Karthus Silver Augment Tier List









































Karthus Gold Augment Tier List








































Karthus Prismatic Augment Tier List


























