Karthus is ranked Tier and has a 13.33% win rate in LoL Arena Patch 25.16. We've analyzed 15 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Malignance, The Golden Spatula, Twilight's Edge, Hextech Gunblade, and Perplexity. Karthus's best augments include Mad Scientist (Prismatic), Quest: Urf's Champion (Gold), and Erosion (Silver). Karthus's Best Arena counters are Aatrox, Ahri, and Gwen.
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Best Prismatic Augments for Karthus
Mad Scientist
Tier: S
Tier: SQuest: Wooglet's WitchcapTier: S
Tier: SJeweled GauntletTier: A
Tier: ADoomsayerTier: A
Tier: ABest Gold Augments for Karthus
Quest: Urf's ChampionTier: S+
Tier: S+From Beginning to EndTier: S
Tier: SCombo MasterTier: A
Tier: AMagic MissileTier: A
Tier: ABest Silver Augments for Karthus
ErosionTier: S
Tier: STank EngineTier: S
Tier: SADAPtTier: A
Tier: AParasitic 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
60%
2
67%
3
7%
4
27%
8
7%
11
7%
14
13%
Karthus Boots
Buy %
67%
Karthus Situational Items
Buy %
80%
20%
7%
13%
7%
13%
Karthus Juices
Buy %
6%
2%
3%
Karthus Silver Augment Tier List
SSAA
B
B
B
B
C
D
DKarthus Gold Augment Tier List
S+SAA
A
B
B
B
C
C
D
DKarthus Prismatic Augment Tier List
SSAA
B
B
B
C
D
D
Average Karthus Duo Champions in Arena(49% - 51% top 2 rate with Karthus)
Even Matchups for Karthus in Arena(49% - 51% top 2 rate for Karthus)
