Karthus is ranked Tier and has a 3.33% win rate in LoL Arena Patch 25.18. We've analyzed 19 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Liandry's Anguish, Rabadon's Deathcap, Luden's Companion, Seraph's Embrace, and Runecarver. Karthus's best augments include Infernal Conduit (Prismatic), Overflow (Gold), and ADAPt (Silver). Karthus's Best Arena matchups include Sett. Karthus's Best Arena counters are Blitzcrank.
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Best Prismatic Augments for Karthus
Infernal Conduit
Tier: S
Tier: SJeweled GauntletTier: A
Tier: AOmni SoulTier: A
Tier: AQuest: Wooglet's WitchcapTier: B
Tier: BBest Gold Augments for Karthus
OverflowTier: S+
Tier: S+Magic MissileTier: S
Tier: SIt's Killing TimeTier: S
Tier: SPhenomenal EvilTier: S
Tier: SBest Silver Augments for Karthus
ADAPtTier: S+
Tier: S+Tank It Or Leave ItTier: S
Tier: SFlashbangTier: A
Tier: AExecutionerTier: 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
79%
2
68%
3
26%
4
47%
8
63%
11
5%
14
11%
Karthus Boots
Buy %
68%
5%
Karthus Situational Items
Buy %
11%
16%
21%
63%
5%
5%
Karthus Juices
Buy %
3%
Karthus Silver Augment Tier List
S+SAA
A
B
B
B
C
C
D
DKarthus Gold Augment Tier List
S+SSS
A
A
A
A
B
B
C
C
C
C
C
C
D
D
DKarthus Prismatic Augment Tier List
SAAB
B
C
D
D
Best Champions to Counter Karthus in Arena(under 49% top 2 rate for Karthus)
Best Matchups for Karthus in Arena(over 51% top 2 rate for Karthus)
Even Matchups for Karthus in Arena(49% - 51% top 2 rate for Karthus)
