Karthus is ranked Tier and has a 21.05% win rate in LoL Arena Patch 25.14. 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, Zhonya's Hourglass, Rylai's Crystal Scepter, and Rod of Ages. Karthus's best augments include Giant Slayer (Prismatic), Thread the Needle (Gold), and Contract Killer (Silver). Karthus's Best Arena matchups include Ziggs, Nautilus, and Rammus. Karthus's Best Arena counters are Annie, Diana, and Leona.
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Best Prismatic Augments for Karthus
Giant Slayer
Tier: S
Tier: SUltimate RouletteTier: S
Tier: SInfernal ConduitTier: A
Tier: AEurekaTier: A
Tier: ABest Gold Augments for Karthus
Thread the NeedleTier: S
Tier: SStats on Stats!Tier: S
Tier: SKeystone ConjurerTier: S
Tier: SPhenomenal EvilTier: S
Tier: SBest Silver Augments for Karthus
Contract KillerTier: A
Tier: ADematerializeTier: A
Tier: AParasitic MutationTier: A
Tier: ATank EngineTier: 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
74%
2
84%
4
74%
8
68%
11
16%
14
16%
17
21%
Karthus Boots
Buy %
84%
16%
Karthus Situational Items
Buy %
47%
42%
5%
21%
11%
5%
Karthus Juices
Buy %
5%
2%
1%
Karthus Silver Augment Tier List
AAAA
A
B
B
C
C
D
DKarthus Gold Augment Tier List
SSSS
A
A
A
A
A
B
B
B
B
C
C
C
C
D
DKarthus Prismatic Augment Tier List
SSAA
B
C
CC
D
Average Karthus Duo Champions in Arena(49% - 51% top 2 rate with Karthus)
Below Average Karthus Duo Champions in Arena(under 49% top 2 rate with Karthus)
Even Matchups for Karthus in Arena(49% - 51% top 2 rate for Karthus)
