Karthus is ranked Tier and has a 11.76% win rate in LoL Arena Patch 25.13. We've analyzed 17 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Liandry's Anguish, Zhonya's Hourglass, Rabadon's Deathcap, Void Staff, and Pyromancer's Cloak. Karthus's best augments include Jeweled Gauntlet (Prismatic), Ethereal Weapon (Gold), and Contract Killer (Silver). Karthus's Best Arena matchups include Diana, Lulu, and Darius. Karthus's Best Arena counters are Lillia.
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Best Prismatic Augments for Karthus
Jeweled Gauntlet
Tier: S
Tier: SQuest: Wooglet's WitchcapTier: A
Tier: ADoomsayerTier: A
Tier: AGiant SlayerTier: B
Tier: BBest Gold Augments for Karthus
Ethereal WeaponTier: A
Tier: AKeystone ConjurerTier: A
Tier: AVulnerabilityTier: A
Tier: ABig BrainTier: A
Tier: ABest Silver Augments for Karthus
Contract KillerTier: S
Tier: SGoredrinkTier: S
Tier: SErosionTier: S
Tier: SMind to MatterTier: 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
71%
2
94%
3
35%
4
71%
8
12%
11
82%
14
24%
Karthus Boots
Buy %
94%
Karthus Situational Items
Buy %
6%
6%
12%
12%
12%
6%
Karthus Juices
Buy %
6%
2%
1%
Karthus Silver Augment Tier List
SSSA
A
A
B
B
B
C
D
D
DKarthus Gold Augment Tier List
AAAA
A
B
B
B
C
C
D
DKarthus Prismatic Augment Tier List
SAAB
B
C
C
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)
