Karthus is ranked Tier and has a 5.88% win rate in LoL Arena Patch 25.15. We've analyzed 19 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Rylai's Crystal Scepter, Rabadon's Deathcap, Malignance, Shadowflame, Void Staff, and Stormsurge. Karthus's best augments include Can't Touch This (Prismatic), From Beginning to End (Gold), and Infernal Soul (Silver). Karthus's Best Arena matchups include Diana, Renekton, and Soraka. Karthus's Best Arena counters are Azir, Malzahar, and Singed.
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Best Prismatic Augments for Karthus
Can't Touch This
Tier: S

Feel the Burn
Tier: S

Ultimate Roulette
Tier: S

Jeweled Gauntlet
Tier: A

Best Gold Augments for Karthus
From Beginning to End
Tier: S

Vulnerability
Tier: S

It's Killing Time
Tier: S

Ethereal Weapon
Tier: A

Best Silver Augments for Karthus
Infernal Soul
Tier: S

Contract Killer
Tier: S

Hold Very Still
Tier: A

Juice Press
Tier: A

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

68%
4

16%
5

74%
8

42%
14

47%
17

42%
20

11%
Karthus Boots
Buy %

74%

5%
Karthus Situational Items
Buy %

21%

26%

26%

11%

11%

89%
Karthus Juices
Buy %

11%

3%

2%
Karthus Silver Augment Tier List















Karthus Gold Augment Tier List















Karthus Prismatic Augment Tier List












