Karthus is ranked Tier and has a 5.75% win rate in LoL Arena Patch 25.16. We've analyzed 435 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 Wisdom of Ages (Prismatic), Shrink Ray (Gold), and Self Destruct (Silver). For team partners, the best champions include: Ashe, Fizz, and Naafiri. Karthus's Best Arena counters are Yunara, Sion, and Twisted Fate.
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Best Prismatic Augments for Karthus
Wisdom of Ages
Tier: S+

Raid Boss
Tier: S+

Jeweled Gauntlet
Tier: S+

Doomsayer
Tier: S

Best Gold Augments for Karthus
Shrink Ray
Tier: S+

Skilled Sniper
Tier: S+

It's Killing Time
Tier: S+

Magic Missile
Tier: S+

Best Silver Augments for Karthus
Self Destruct
Tier: S+

Overflow
Tier: S+

Witchful Thinking
Tier: S+

ADAPt
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

77%
2

76%
3

27%
4

53%
8

56%
11

74%
14

21%
Karthus Boots
Buy %

76%

0%

1%

5%

0%

0%
Karthus Situational Items
Buy %

21%

24%

16%

17%

16%

14%
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





































