Karthus is ranked Tier and has a 9.09% win rate in LoL Arena Patch 25.16. We've analyzed 12 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Malignance, Shadowflame, Rabadon's Deathcap, Void Staff, Seraph's Embrace, and Detonation Orb. Karthus's best augments include Ultimate Revolution (Prismatic), Quest: Urf's Champion (Gold), and Mind to Matter (Silver). Karthus's Best Arena matchups include K'Sante and Galio. Karthus's Best Arena counters are Blitzcrank.
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Best Prismatic Augments for Karthus
Ultimate Revolution
Tier: S+
Tier: S+Jeweled GauntletTier: S
Tier: SInfernal ConduitTier: A
Tier: ABack To BasicsTier: A
Tier: ABest Gold Augments for Karthus
Quest: Urf's ChampionTier: S+
Tier: S+Summoner RevolutionTier: S
Tier: SPhenomenal EvilTier: A
Tier: AKeystone ConjurerTier: A
Tier: ABest Silver Augments for Karthus
Mind to MatterTier: A
Tier: AOverflowTier: A
Tier: AWitchful ThinkingTier: A
Tier: AFrozen FoundationsTier: 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
92%
3
33%
4
42%
5
50%
8
83%
14
42%
17
8%
Karthus Boots
Buy %
67%
8%
Karthus Situational Items
Buy %
17%
8%
25%
42%
17%
8%
Karthus Juices
Buy %
5%
3%
1%
Karthus Silver Augment Tier List
AAAB
B
C
D
DKarthus Gold Augment Tier List
S+SAA
A
B
C
C
C
D
D
DKarthus Prismatic Augment Tier List
S+SAA
A
B
B
B
C
D
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)
