Tier: SWin14.65%Pick5.72%Ban1.47%Games: 448KDA: 1.70Score: 49.29
Karthus is ranked S Tier and has a 14.65% win rate in LoL Arena Patch 25.15. We've analyzed 448 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 Mystic Punch (Prismatic), OK Boomerang (Gold), and Slime Time (Silver). For team partners, the best champions include: Garen, Tahm Kench, and Zyra. Karthus's Best Arena matchups include Nilah and Xayah. Karthus's Best Arena counters are Aurelion Sol, Soraka, and Dr. Mundo.
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Best Prismatic Augments for Karthus
Mystic Punch
Tier: S+

Giant Slayer
Tier: S+

Tap Dancer
Tier: S+

Jeweled Gauntlet
Tier: S

Best Gold Augments for Karthus
OK Boomerang
Tier: S+

Shrink Ray
Tier: S+

Magic Missile
Tier: S+

It's Killing Time
Tier: S+

Best Silver Augments for Karthus
Slime Time
Tier: S+

Typhoon
Tier: S+

Witchful Thinking
Tier: S+

Infernal Soul
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

70%
2

77%
3

31%
4

48%
8

49%
11

69%
14

22%
Karthus Boots
Buy %

77%

6%

0%

0%

0%

2%
Karthus Situational Items
Buy %

15%

19%

17%

14%

12%

10%
Karthus Juices
Buy %

5%

1%

1%
Karthus Prismatic Item Tier List







Karthus Silver Augment Tier List
















































Karthus Gold Augment Tier List



















































Karthus Prismatic Augment Tier List






































