Tier: AWin15.11%Pick7.16%Ban1.92%Games: 9329KDA: 1.98Score: 54.08
Karthus is ranked A Tier and has a 15.11% win rate in LoL Arena Patch 25.09. We've analyzed 9329 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 Augment 405 (Prismatic), It's Killing Time (Gold), and Witchful Thinking (Silver). Karthus's Best Arena counters are Kassadin, Sivir, and Galio.
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Best Prismatic Augments for Karthus
Augment 405
Tier: S+

Jeweled Gauntlet
Tier: S+

Quest: Wooglet's Witchcap
Tier: S+

Doomsayer
Tier: S+

Best Gold Augments for Karthus
It's Killing Time
Tier: S+

Big Brain
Tier: S+

Magic Missile
Tier: S+

Trickster Demon
Tier: S+

Best Silver Augments for Karthus
Witchful Thinking
Tier: S+

Executioner
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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
![]() | Q | Q | Q | Q | Q | |||||||||||||
![]() | W | W | W | W | W | |||||||||||||
![]() | E | E | E | E | E | |||||||||||||
![]() | R | R | R |
Karthus Items by Round
Buy %
1

73%
2

82%
3

34%
4

53%
8

44%
11

69%
14

19%
Karthus Boots
Buy %

82%

3%

1%

1%

0%

0%
Karthus Situational Items
Buy %

22%

18%

20%

20%

14%

13%
Karthus Juices
Buy %

6%

2%

1%
Karthus Prismatic Item Tier List

























Karthus Silver Augment Tier List






















































Karthus Gold Augment Tier List




























































Karthus Prismatic Augment Tier List













































Below Average Karthus Duo Champions in Arena(under 49% top 2 rate with Karthus)

-3.2

-7.7

-7.8

-8.4

-9.8

-10.5

-10.6

-10.8

-11.1

-11.2

-11.5

-11.5

-11.8

-12.5

-12.8

-13.2

-13.8

-13.8

-13.9

-14.6

-14.8

-14.8

-15.1

-15.1

-16.3

-16.6

-16.9

-17.9

-18.3

-18.6

-18.9

-19.0

-19.0

-19.1

-19.2

-19.3

-19.4

-19.4

-19.5

-19.6

-19.6

-19.9

-20.7

-20.7

-20.8

-21.1

-21.4

-21.4

-22.2

-22.3

-22.6

-23.0

-23.1

-23.1

-24.0

-24.0

-24.0

-24.0

-24.3

-24.9

-24.9

-25.5

-25.5

-25.6

-25.6

-25.7

-26.0

-26.8

-27.0

-27.3

-27.8

-28.3

-29.0

-29.2

-29.3

-30.5

-31.5

-31.6

-32.7

-34.5

-35.3
Best Champions to Counter Karthus in Arena(under 49% top 2 rate for Karthus)

-27.1

-25.5

-25.2

-25.2

-24.9

-24.8

-24.8

-24.8

-24.7

-24.7

-24.6

-24.5

-24.4

-24.1

-24.1

-24.0

-23.9

-23.8

-23.7

-23.7

-23.6

-23.5

-23.4

-23.3

-23.3

-23.2

-23.0

-22.9

-22.9

-22.9

-22.9

-22.9

-22.8

-22.8

-22.8

-22.7

-22.7

-22.7

-22.6

-22.6

-22.6

-22.6

-22.6

-22.5

-22.4

-22.4

-22.4

-22.4

-22.3

-22.3

-22.3

-22.2

-22.2

-22.1

-22.1

-22.0

-22.0

-22.0

-22.0

-22.0

-21.9

-21.9

-21.9

-21.9

-21.9

-21.9

-21.9

-21.9

-21.9

-21.8

-21.8

-21.7

-21.5

-21.5

-21.5

-21.4

-21.4

-21.4

-21.4

-21.4

-21.4

-21.3

-21.3

-21.3

-21.3

-21.2

-21.2

-21.2

-21.2

-21.2

-21.2

-21.1

-21.1

-21.1

-21.1

-21.1

-21.0

-21.0

-21.0

-21.0

-20.9

-20.9

-20.9

-20.9

-20.9

-20.9

-20.9

-20.8

-20.8

-20.7

-20.7

-20.7

-20.7

-20.6

-20.6

-20.6

-20.6

-20.6

-20.5

-20.4

-20.4

-20.4

-20.4

-20.3

-20.2

-20.2

-20.2

-20.1

-20.1

-20.1

-20.1

-20.0

-20.0

-19.9

-19.9

-19.9

-19.9

-19.8

-19.7

-19.7

-19.7

-19.7

-19.7

-19.6

-19.6

-19.6

-19.6

-19.6

-19.4

-19.3

-19.1

-19.0

-19.0

-18.9

-18.8

-18.7

-18.6

-18.6

-18.6

-18.5

-18.4

-18.4

-18.3

-18.2

-18.2

-18.1

-18.0

-17.9

-17.8

-16.3