Karthus is ranked Tier and has a 3.45% win rate in LoL Arena Patch 25.14. We've analyzed 29 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Shadowflame, Rabadon's Deathcap, Everfrost, Horizon Focus, and Seraph's Embrace. Karthus's best augments include Jeweled Gauntlet (Prismatic), It's Critical (Gold), and Tank It Or Leave It (Silver). Karthus's Best Arena matchups include Aurelion Sol and Rammus. Karthus's Best Arena counters are Ivern, Nilah, and Orianna.
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Best Prismatic Augments for Karthus
Jeweled Gauntlet
Tier: S+

Infernal Conduit
Tier: S

Mystic Punch
Tier: A

Center of the Universe
Tier: A

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

Restart
Tier: S+

Phenomenal Evil
Tier: S

Searing Dawn
Tier: A

Best Silver Augments for Karthus
Tank It Or Leave It
Tier: S+

Witchful Thinking
Tier: S+

Erosion
Tier: S

Ice Cold
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

62%
2

62%
3

10%
4

10%
8

52%
11

7%
14

21%
Karthus Boots
Buy %

62%

3%

3%

3%
Karthus Situational Items
Buy %

7%

3%

10%

59%

3%

69%
Karthus Juices
Buy %

0%

2%

1%
Karthus Silver Augment Tier List























Karthus Gold Augment Tier List



























Karthus Prismatic Augment Tier List















