Karthus is ranked Tier and has a 8.33% win rate in LoL Arena Patch 25.13. We've analyzed 12 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Malignance, Shadowflame, Zhonya's Hourglass, Void Staff, and Dragonheart. Karthus's best augments include Infernal Conduit (Prismatic), Magic Missile (Gold), and Witchful Thinking (Silver). Karthus's Best Arena matchups include Yasuo. Karthus's Best Arena counters are Ornn.
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Best Prismatic Augments for Karthus
Infernal Conduit
Tier: S+
Tier: S+Accelerating SorceryTier: A
Tier: AGoliathTier: A
Tier: ASymphony of WarTier: A
Tier: ABest Gold Augments for Karthus
Magic MissileTier: S+
Tier: S+Big BrainTier: S
Tier: SKeystone ConjurerTier: S
Tier: SOK BoomerangTier: A
Tier: ABest Silver Augments for Karthus
Witchful ThinkingTier: S
Tier: SDon't ChaseTier: A
Tier: AMirror ImageTier: A
Tier: AUltimate UnstoppableTier: 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
58%
2
67%
3
8%
4
42%
8
33%
11
17%
14
25%
Karthus Boots
Buy %
67%
Karthus Situational Items
Buy %
58%
25%
75%
8%
8%
33%
Karthus Juices
Buy %
5%
Karthus Silver Augment Tier List
SAAA
C
C
C
C
DKarthus Gold Augment Tier List
S+SSA
A
A
B
B
C
C
C
C
D
DKarthus Prismatic Augment Tier List
S+AAA
A
B
B
B
C
D
D
Best Champions to Counter Karthus in Arena(under 49% top 2 rate for Karthus)
Best Matchups for Karthus in Arena(over 51% top 2 rate for Karthus)
Even Matchups for Karthus in Arena(49% - 51% top 2 rate for Karthus)
