Tier: BWin9.23%Pick7.29%Ban1.19%Games: 409KDA: 1.92Score: 44.61
Karthus is ranked B Tier and has a 9.23% win rate in LoL Arena Patch 25.09. We've analyzed 409 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, Shadowflame, and Detonation Orb. Karthus's best augments include Quantum Computing (Prismatic), Keystone Conjurer (Gold), and Cannon Fodder (Silver). For team partners, the best champions include: Ambessa, Lillia, and Riven. Karthus's Best Arena matchups include Draven. Karthus's Best Arena counters are Jhin, Blitzcrank, and Gragas.
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Best Prismatic Augments for Karthus
Quantum Computing
Tier: S+

Chain Lightning
Tier: S+

Slow Cooker
Tier: S+

Center of the Universe
Tier: S

Best Gold Augments for Karthus
Keystone Conjurer
Tier: S+

Transmute: Prismatic
Tier: S+

Magic Missile
Tier: S+

Vulnerability
Tier: S+

Best Silver Augments for Karthus
Cannon Fodder
Tier: S+

Typhoon
Tier: S+

Fallen Aegis
Tier: S+

Slime Time
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

75%
2

72%
3

28%
4

57%
8

57%
11

77%
14

28%
Karthus Boots
Buy %

72%

8%

1%

0%

1%

0%
Karthus Situational Items
Buy %

26%

23%

17%

3%

6%

18%
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




































