Karthus is ranked Tier and has a 14.92% win rate in LoL Arena Patch 25.09. We've analyzed 44 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Rabadon's Deathcap, Blackfire Torch, Malignance, Shadowflame, and Demonic Embrace. Karthus's best augments include Omni Soul (Prismatic), Quest: Urf's Champion (Gold), and Dive Bomber (Silver). Karthus's Best Arena matchups include Fiddlesticks, Graves, and Quinn. Karthus's Best Arena counters are Caitlyn, Kled, and Kog'Maw.
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Best Prismatic Augments for Karthus
Omni Soul
Tier: S+

Stats on Stats on Stats!
Tier: S+

Summoner's Roulette
Tier: S

Quest: Wooglet's Witchcap
Tier: S

Best Gold Augments for Karthus
Quest: Urf's Champion
Tier: S+

Keystone Conjurer
Tier: S+

Perseverance
Tier: S

Magic Missile
Tier: S

Best Silver Augments for Karthus
Dive Bomber
Tier: S+

Desecrator
Tier: S+

Contract Killer
Tier: S

Witchful Thinking
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

64%
2

80%
3

14%
4

82%
8

27%
11

52%
14

36%
Karthus Boots
Buy %

80%

7%

2%

2%
Karthus Situational Items
Buy %

7%

27%

27%

55%

2%

18%
Karthus Juices
Buy %

7%

1%

0%
Karthus Silver Augment Tier List























Karthus Gold Augment Tier List






























Karthus Prismatic Augment Tier List





















