Tier: SWin15.38%Pick6.91%Ban1.79%Games: 392KDA: 1.93Score: 60.93
Karthus is ranked S Tier and has a 15.38% win rate in LoL Arena Patch 25.09. We've analyzed 392 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Liandry's Anguish, Malignance, Rabadon's Deathcap, Void Staff, and Detonation Orb. Karthus's best augments include Blade Waltz (Prismatic), Phenomenal Evil (Gold), and Scoped Weapons (Silver). For team partners, the best champions include: Ambessa, Sylas, and Alistar. Karthus's Best Arena matchups include Azir and Ekko. Karthus's Best Arena counters are Smolder, Zed, and Ashe.
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Best Prismatic Augments for Karthus
Blade Waltz
Tier: S+

Jeweled Gauntlet
Tier: S+

Spellwake
Tier: S+

Quest: Wooglet's Witchcap
Tier: S

Best Gold Augments for Karthus
Phenomenal Evil
Tier: S+

Big Brain
Tier: S+

Magic Missile
Tier: S+

Keystone Conjurer
Tier: S+

Best Silver Augments for Karthus
Scoped Weapons
Tier: S+

Leg Day
Tier: S+

Witchful Thinking
Tier: S+

Frost Wraith
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 | |||||||||||||
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![]() | E | E | E | E | E | |||||||||||||
![]() | R | R | R |
Karthus Items by Round
Buy %
1

76%
2

76%
3

31%
4

61%
8

61%
11

77%
14

26%
Karthus Boots
Buy %

76%

6%

1%
Karthus Situational Items
Buy %

31%

24%

15%

16%

20%

10%
Karthus Juices
Buy %

7%

1%

1%
Karthus Prismatic Item Tier List







Karthus Silver Augment Tier List

















































Karthus Gold Augment Tier List
























































Karthus Prismatic Augment Tier List





































