Karthus is ranked Tier and has a 16.67% win rate in LoL Arena Patch 25.09. We've analyzed 6 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Malignance, Rabadon's Deathcap, Void Staff, Wordless Promise, and Night Harvester. Karthus's best augments include Goliath (Prismatic), Phenomenal Evil (Gold), and ADAPt (Silver). Karthus's Best Arena matchups include Jarvan IV and Zed. Karthus's Best Arena counters are Ashe and Sejuani.
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Best Prismatic Augments for Karthus
Goliath
Tier: S

Doomsayer
Tier: A

Chain Lightning
Tier: B

Giant Slayer
Tier: B

Best Gold Augments for Karthus
Phenomenal Evil
Tier: A

Transmute: Prismatic
Tier: A

It's Killing Time
Tier: A

Dark Blessing
Tier: B

Best Silver Augments for Karthus
ADAPt
Tier: S

Witchful Thinking
Tier: A

Dive Bomber
Tier: B

Mind to Matter
Tier: C

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

50%
2

50%
3

17%
4

33%
8

83%
11

50%
14

33%
Karthus Boots
Buy %

50%
Karthus Situational Items
Buy %

33%

17%

17%

17%

17%

17%
Karthus Juices
Buy %

5%
Karthus Silver Augment Tier List





Karthus Gold Augment Tier List








Karthus Prismatic Augment Tier List





