Karthus is ranked Tier and has a 4.17% win rate in LoL Arena Patch 25.16. We've analyzed 43 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Rabadon's Deathcap, Malignance, Stormsurge, Rite Of Ruin, Pyromancer's Cloak, and Seraph's Embrace. Karthus's best augments include Infernal Conduit (Prismatic), Willing Sacrifice (Gold), and Fallen Aegis (Silver). Karthus's Best Arena matchups include Rakan. Karthus's Best Arena counters are Hwei, Jinx, and Kayle.
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Best Prismatic Augments for Karthus
Infernal Conduit
Tier: S+

Jeweled Gauntlet
Tier: S

Quest: Wooglet's Witchcap
Tier: S

Doomsayer
Tier: S

Best Gold Augments for Karthus
Willing Sacrifice
Tier: S+

It's Killing Time
Tier: S+

Phenomenal Evil
Tier: S

Minionmancer
Tier: S

Best Silver Augments for Karthus
Fallen Aegis
Tier: S+

Witchful Thinking
Tier: S+

ADAPt
Tier: S

Mind to Matter
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

81%
3

49%
4

53%
5

77%
8

7%
14

12%
17

7%
Karthus Boots
Buy %

79%

5%
Karthus Situational Items
Buy %

12%

23%

26%

63%

5%

2%
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


















