Karthus is ranked Tier and has a 5.13% win rate in LoL Arena Patch 25.15. We've analyzed 20 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Shadowflame, Morellonomicon, Zhonya's Hourglass, Perplexity, and Pyromancer's Cloak. Karthus's best augments include Doomsayer (Prismatic), From Beginning to End (Gold), and Transmute: Gold (Silver). Karthus's Best Arena matchups include Xerath, Annie, and Ezreal. Karthus's Best Arena counters are Ahri, Mel, and Seraphine.
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Best Prismatic Augments for Karthus
Doomsayer
Tier: S
Tier: SPrismatic EggTier: S
Tier: SInfernal ConduitTier: S
Tier: SGoliathTier: A
Tier: ABest Gold Augments for Karthus
From Beginning to EndTier: S
Tier: SFlashyTier: S
Tier: STransmute: PrismaticTier: S
Tier: SIt's Killing TimeTier: S
Tier: SBest Silver Augments for Karthus
Transmute: GoldTier: S+
Tier: S+OverflowTier: S
Tier: SExecutionerTier: A
Tier: AIce ColdTier: A
Tier: AKarthus 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
85%
2
75%
3
30%
4
40%
8
20%
11
20%
14
15%
Karthus Boots
Buy %
75%
Karthus Situational Items
Buy %
50%
25%
65%
20%
10%
5%
Karthus Juices
Buy %
8%
1%
1%
Karthus Silver Augment Tier List
S+SAA
A
A
B
B
B
D
D
D
D
DKarthus Gold Augment Tier List
SSSS
A
A
A
A
A
B
B
B
B
B
C
C
C
D
D
DKarthus Prismatic Augment Tier List
SSSA
A
A
B
B
B
B
C
D
D
D
Even Matchups for Karthus in Arena(49% - 51% top 2 rate for Karthus)
