Karthus is ranked Tier and has a 5.26% win rate in LoL Arena Patch 25.16. We've analyzed 19 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Malignance, Rabadon's Deathcap, Zhonya's Hourglass, Void Staff, and Demonic Embrace. Karthus's best augments include Trueshot Prodigy (Prismatic), Bread And Jam (Gold), and Hold Very Still (Silver). Karthus's Best Arena counters are Brand, Caitlyn, and Diana.
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Best Prismatic Augments for Karthus
Trueshot Prodigy
Tier: S+

Quest: Wooglet's Witchcap
Tier: S

Center of the Universe
Tier: S

Spellwake
Tier: A

Best Gold Augments for Karthus
Bread And Jam
Tier: S+

Magic Missile
Tier: S

Big Brain
Tier: S

Phenomenal Evil
Tier: A

Best Silver Augments for Karthus
Hold Very Still
Tier: S+

Overflow
Tier: S

Witchful Thinking
Tier: S

Mirror Image
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

84%
2

74%
3

11%
4

58%
8

84%
11

37%
14

26%
Karthus Boots
Buy %

74%

5%
Karthus Situational Items
Buy %

37%

16%

5%

37%

5%

5%
Karthus Juices
Buy %

1%

6%

2%
Karthus Silver Augment Tier List















Karthus Gold Augment Tier List


















Karthus Prismatic Augment Tier List












