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: Malignance, Liandry's Anguish, Rabadon's Deathcap, Pyromancer's Cloak, Horizon Focus, and Blackfire Torch. Karthus's best augments include Eureka (Prismatic), Phenomenal Evil (Gold), and Executioner (Silver). Karthus's Best Arena matchups include Briar and Skarner. Karthus's Best Arena counters are Caitlyn.
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Best Prismatic Augments for Karthus
Eureka
Tier: S
Tier: STrueshot ProdigyTier: A
Tier: ASpellwakeTier: D
Tier: DFeel the BurnTier: D
Tier: DBest Gold Augments for Karthus
Phenomenal EvilTier: A
Tier: ARestartTier: A
Tier: ASymbiotic MutationTier: A
Tier: ACombo MasterTier: B
Tier: BBest Silver Augments for Karthus
ExecutionerTier: S
Tier: SLight 'em Up!Tier: B
Tier: BWitchful ThinkingTier: B
Tier: BDematerializeTier: 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
100%
3
33%
4
150%
5
67%
8
67%
14
17%
17
17%
Karthus Boots
Buy %
83%
Karthus Situational Items
Buy %
33%
50%
17%
17%
33%
17%
Karthus Juices
Buy %
17%
Karthus Silver Augment Tier List
SBBB
B
C
C
D
DKarthus Gold Augment Tier List
AAAB
B
B
C
D
DKarthus Prismatic Augment Tier List
SADD
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)
