Karthus is ranked Tier and has a 37.04% win rate in LoL Arena Patch 25.09. We've analyzed 20 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Bloodletter's Curse, Rabadon's Deathcap, Malignance, Rod of Ages, Blackfire Torch, and Detonation Orb. Karthus's best augments include Spellwake (Prismatic), Big Brain (Gold), and Warmup Routine (Silver). Karthus's Best Arena matchups include Twitch, Shyvana, and Teemo. Karthus's Best Arena counters are Mordekaiser, Amumu, and Quinn.
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Best Prismatic Augments for Karthus
Spellwake
Tier: S+
Tier: S+Circle of DeathTier: S
Tier: SCan't Touch ThisTier: S
Tier: SGamba AnvilTier: A
Tier: ABest Gold Augments for Karthus
Big BrainTier: S+
Tier: S+Phenomenal EvilTier: S
Tier: SKeystone ConjurerTier: S
Tier: SThread the NeedleTier: A
Tier: ABest Silver Augments for Karthus
Warmup RoutineTier: S
Tier: SStats!Tier: S
Tier: SMind to MatterTier: S
Tier: SParasitic MutationTier: 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
80%
3
40%
4
5%
5
80%
8
55%
14
40%
17
15%
Karthus Boots
Buy %
65%
Karthus Situational Items
Buy %
20%
20%
5%
20%
35%
10%
Karthus Juices
Buy %
6%
1%
1%
Karthus Silver Augment Tier List
SSSA
A
A
B
B
C
C
D
D
DKarthus Gold Augment Tier List
S+SSA
A
A
A
B
B
B
C
C
C
C
D
DKarthus Prismatic Augment Tier List
S+SSA
A
A
B
B
B
B
B
C
C
C
D
D
Even Matchups for Karthus in Arena(49% - 51% top 2 rate for Karthus)
