Karthus is ranked Tier and has a 37.50% win rate in LoL Arena Patch 25.09. We've analyzed 14 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Shadowflame, Rabadon's Deathcap, Void Staff, Morellonomicon, and Detonation Orb. Karthus's best augments include Chain Lightning (Prismatic), Thread the Needle (Gold), and Executioner (Silver). Karthus's Best Arena matchups include Lux, Naafiri, and Vladimir. Karthus's Best Arena counters are Aphelios.
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Best Prismatic Augments for Karthus
Chain Lightning
Tier: S
Tier: SDoomsayerTier: S
Tier: SEurekaTier: A
Tier: AJeweled GauntletTier: A
Tier: ABest Gold Augments for Karthus
Thread the NeedleTier: S
Tier: SVulnerabilityTier: S
Tier: SWe'll Be Right BackTier: S
Tier: SVanishTier: S
Tier: SBest Silver Augments for Karthus
ExecutionerTier: A
Tier: AJuice PressTier: A
Tier: AFirefoxTier: A
Tier: AOverflowTier: B
Tier: BKarthus 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
86%
2
79%
3
36%
4
64%
8
107%
11
64%
14
29%
Karthus Boots
Buy %
79%
7%
7%
Karthus Situational Items
Buy %
29%
7%
14%
21%
7%
29%
Karthus Juices
Buy %
8%
3%
2%
Karthus Silver Augment Tier List
AAAB
B
C
DKarthus Gold Augment Tier List
SSSS
A
A
A
B
B
B
B
B
B
C
C
D
D
DKarthus Prismatic Augment Tier List
SSAA
B
B
C
D
D
Best Champions to Counter Karthus in Arena(under 49% top 2 rate for Karthus)
Even Matchups for Karthus in Arena(49% - 51% top 2 rate for Karthus)
