Tier: AWin11.78%Pick4.85%Ban1.11%Games: 750KDA: 1.90Score: 54.35
Karthus is ranked A Tier and has a 11.78% win rate in LoL Arena Patch 25.09. We've analyzed 750 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Malignance, Liandry's Anguish, Rabadon's Deathcap, Void Staff, and Detonation Orb. Karthus's best augments include Quest: Wooglet's Witchcap (Prismatic), Slow and Steady (Gold), and Witchful Thinking (Silver). For team partners, the best champions include: Aurelion Sol, Taric, and Yone. Karthus's Best Arena counters are Ahri, Morgana, and Poppy.
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Best Prismatic Augments for Karthus
Quest: Wooglet's Witchcap
Tier: S+

Spellwake
Tier: S+

Jeweled Gauntlet
Tier: S+

Eureka
Tier: S+

Best Gold Augments for Karthus
Slow and Steady
Tier: S+

Magic Missile
Tier: S+

It's Killing Time
Tier: S+

Big Brain
Tier: S+

Best Silver Augments for Karthus
Witchful Thinking
Tier: S+

ADAPt
Tier: S+

Repulsor
Tier: S+

Parasitic Mutation
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

76%
3

31%
4

55%
8

54%
11

77%
14

23%
Karthus Boots
Buy %

76%

9%

0%

0%

1%

0%
Karthus Situational Items
Buy %

27%

17%

17%

17%

15%

11%
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









































Best Champions to Counter Karthus in Arena(under 49% top 2 rate for Karthus)

-38.3

-34.0

-33.9

-32.3

-29.3

-29.0

-28.8

-28.7

-28.0

-27.9

-27.3

-26.9

-26.8

-26.3

-25.9

-25.9

-25.9

-25.7

-25.6

-25.5

-25.5

-25.5

-25.1

-24.9

-24.8

-24.2

-24.0

-24.0

-24.0

-23.4

-23.3

-23.2

-22.6

-22.6

-22.4

-22.2

-22.1

-22.1

-21.7

-21.7

-21.7

-21.6

-21.6

-21.2

-21.2

-21.1

-21.0

-20.9

-20.9

-20.7

-20.6

-20.4

-20.2

-20.1

-20.1

-20.1

-20.1

-20.0

-19.8

-19.4

-19.3

-19.2

-19.2

-19.1

-18.9

-18.6

-18.4

-17.7

-17.5

-17.3

-17.3

-17.1

-16.7

-16.7

-16.3

-16.1

-15.7

-15.4

-15.1

-15.1

-14.7

-13.9

-13.8

-13.7

-13.2

-13.0

-12.8

-12.6

-12.2

-11.8

-6.1

-3.5