Tier: SWin14.22%Pick6.99%Ban1.54%Games: 225KDA: 1.95Score: 64.58
Karthus is ranked S Tier and has a 14.22% win rate in LoL Arena Patch 25.09. We've analyzed 225 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, Blackfire Torch, and Pyromancer's Cloak. Karthus's best augments include Infernal Conduit (Prismatic), Extendo-Arm (Gold), and Fallen Aegis (Silver). For team partners, the best champions include: Leona, Rell, and Caitlyn. Karthus's Best Arena matchups include Sivir, Camille, and Katarina. Karthus's Best Arena counters are Xerath, Sett, and Ziggs.
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Best Prismatic Augments for Karthus
Infernal Conduit
Tier: S+

Quest: Wooglet's Witchcap
Tier: S+

Jeweled Gauntlet
Tier: S

Spellwake
Tier: S

Best Gold Augments for Karthus
Extendo-Arm
Tier: S+

Magic Missile
Tier: S+

It's Killing Time
Tier: S+

Phenomenal Evil
Tier: S+

Best Silver Augments for Karthus
Fallen Aegis
Tier: S+

Warmup Routine
Tier: S+

ADAPt
Tier: S+

Overflow
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

71%
2

70%
3

26%
4

61%
8

52%
11

66%
14

24%
Karthus Boots
Buy %

70%

9%

2%

0%

2%
Karthus Situational Items
Buy %

28%

22%

13%

12%

7%

7%
Karthus Juices
Buy %

6%

1%

1%
Karthus Prismatic Item Tier List










Karthus Silver Augment Tier List












































Karthus Gold Augment Tier List

















































Karthus Prismatic Augment Tier List





























