Karthus is ranked Tier and has a 20.04% win rate in LoL Arena Patch 25.17. We've analyzed 80 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Malignance, Liandry's Anguish, Rabadon's Deathcap, Shadowflame, and Void Staff. Karthus's best augments include Gamba Anvil (Prismatic), Flashy (Gold), and Leg Day (Silver). Karthus's Best Arena matchups include Janna, Nidalee, and Fiddlesticks. Karthus's Best Arena counters are Kayn, Aurelion Sol, and Illaoi.
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Best Prismatic Augments for Karthus
Gamba Anvil
Tier: S+
Tier: S+Trueshot ProdigyTier: S+
Tier: S+DoomsayerTier: S
Tier: SChauffeurTier: S
Tier: SBest Gold Augments for Karthus
FlashyTier: S+
Tier: S+We'll Be Right BackTier: S+
Tier: S+Shrink RayTier: S+
Tier: S+It's Killing TimeTier: S
Tier: SBest Silver Augments for Karthus
Leg DayTier: S+
Tier: S+DematerializeTier: S+
Tier: S+Warmup RoutineTier: S+
Tier: S+Serve Beyond DeathTier: S
Tier: SKarthus 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
73%
2
85%
4
54%
8
49%
11
58%
14
33%
17
23%
Karthus Boots
Buy %
85%
9%
1%
3%
Karthus Situational Items
Buy %
11%
14%
19%
25%
4%
10%
Karthus Juices
Buy %
6%
1%
1%
Karthus Silver Augment Tier List
S+S+S+S
S
S
S
A
A
A
A
A
A
A
A
B
B
B
B
B
B
B
B
C
C
C
C
D
D
D
DKarthus Gold Augment Tier List
S+S+S+S
S
S
S
S
A
A
A
A
A
A
A
A
A
B
B
B
B
B
B
B
B
C
C
C
C
C
C
D
D
D
DKarthus Prismatic Augment Tier List
S+S+SS
S
A
A
A
A
A
A
B
B
B
B
B
B
C
C
C
C
D
D
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)
