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Mage

Karthus Arena Build 
25.13 LoL 

 Augments, Items, Duos
Tier: BWin38.30%Pick6.12%Ban1.34%Games: 54KDA: 2.46Score: 55.27

Karthus is ranked B Tier and has a 38.30% win rate in LoL Arena Patch 25.13. We've analyzed 54 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Liandry's Anguish, Shadowflame, Rabadon's Deathcap, Void Staff, and Pyromancer's Cloak. Karthus's best augments include Jeweled Gauntlet (Prismatic), Quest: Urf's Champion (Gold), and Witchful Thinking (Silver). For team partners, the best champions include: Rell. Karthus's Best Arena matchups include Anivia, Cassiopeia, and Renekton. Karthus's Best Arena counters are Nautilus, Aphelios, and Graves.

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Best Prismatic Augments for Karthus

Jeweled GauntletJeweled GauntletTier: S+
DoomsayerDoomsayerTier: S
EurekaEurekaTier: S
Trueshot ProdigyTrueshot ProdigyTier: S

Best Gold Augments for Karthus

Quest: Urf's ChampionQuest: Urf's ChampionTier: S+
Big BrainBig BrainTier: S+
Symbiotic MutationSymbiotic MutationTier: S
Thread the NeedleThread the NeedleTier: S

Best Silver Augments for Karthus

Witchful ThinkingWitchful ThinkingTier: S+
Mind to MatterMind to MatterTier: S
DesecratorDesecratorTier: S
Fire SaleFire SaleTier: S

Karthus Skill Order

Death Defied
123456789101112131415161718
Lay Waste
QQQQQ
Wall of Pain
WWWWW
Defile
EEEEE
Requiem
RRR

Karthus Items by Round

Buy %
1
Guardian's Orb
74%
2
Sorcerer's Shoes
76%
3
Pyromancer's Cloak
28%
4
Liandry's Anguish
54%
8
Shadowflame
33%
11
Rabadon's Deathcap
69%
14
Void Staff
28%

Karthus Boots

Buy %
Sorcerer's Shoes
76%
Ionian Boots of Lucidity
7%
Mercury's Treads
2%

Karthus Situational Items

Buy %
Malignance
54%
Zhonya's Hourglass
11%
Morellonomicon
7%
Perplexity
17%
Hextech Gunblade
4%
Infinity Edge
2%

Karthus Juices

Buy %
Juice of Power
6%
Juice of Vitality
1%
Juice of Haste
1%

Karthus Prismatic Item Tier List

Pyromancer's CloakA
Detonation OrbB
RunecarverD

Karthus Silver Augment Tier List

Witchful ThinkingS+
Mind to MatterS
DesecratorS
Fire SaleS
OverflowS
ExecutionerS
ADAPtS
Warmup RoutineA
Slime TimeA
Buff BuddiesA
Juice BoxA
Contract KillerA
FirefoxA
Transmute: GoldA
Stats!B
Juice PressB
Ultimate UnstoppableB
DematerializeB
Ice ColdB
Cannon FodderB
Ocean SoulB
Mirror ImageC
Tank EngineC
Serve Beyond DeathC
HomeguardC
RepulsorD
Tank It Or Leave ItD
Infernal SoulD
Parasitic MutationD

Karthus Gold Augment Tier List

Quest: Urf's ChampionS+
Big BrainS+
Symbiotic MutationS
Thread the NeedleS
FlashyS
Combo MasterS
It's Killing TimeA
Transmute: PrismaticA
With HasteA
It's CriticalA
Magic MissileA
Phenomenal EvilA
From Beginning to EndB
Keystone ConjurerB
Ethereal WeaponB
Divine InterventionB
Summoner RevolutionB
Die Another DayB
Apex InventorB
FirebrandC
VulnerabilityC
Critical HealingC
VengeanceC
DeathtouchD
Stats on Stats!D
Searing DawnD

Karthus Prismatic Augment Tier List

Jeweled GauntletS+
DoomsayerS
EurekaS
Trueshot ProdigyS
Omni SoulA
Fey MagicA
Quest: Wooglet's WitchcapA
Giant SlayerA
Ultimate RevolutionB
Infernal ConduitB
SpellwakeB
Summoner's RouletteB
Transmute: ChaosC
Master of DualityC
Ultimate RouletteC
Sacrifice: For PrismaticD
Prismatic EggD

Best Bans for Karthus in Arena

Nautilus, the Titan of the Depths
S+
Singed, the Mad Chemist
S
Jax, Grandmaster at Arms
A
Briar, the Restrained Hunger
A
Graves, the Outlaw
A
Naafiri, the Hound of a Hundred Bites
A
Rell, the Iron Maiden
A
Twisted Fate, the Card Master
A
Kennen, the Heart of the Tempest
A
Illaoi, the Kraken Priestess
A
Aphelios, the Weapon of the Faithful
A
Renata Glasc, the Chem-Baroness
A
Jayce, the Defender of Tomorrow
A
Viktor, the Herald of the Arcane
A
Heimerdinger, the Revered Inventor
B
Ezreal, the Prodigal Explorer
B
Teemo, the Swift Scout
B
Leona, the Radiant Dawn
B
Renekton, the Butcher of the Sands
B
Vel'Koz, the Eye of the Void
B
Ahri, the Nine-Tailed Fox
B

Best Karthus Duo Champions in Arena(over 51% top 2 rate with Karthus)

Rell, the Iron Maiden
+15.7

Average Karthus Duo Champions in Arena(49% - 51% top 2 rate with Karthus)

Kayn, the Shadow Reaper

Best Champions to Counter Karthus in Arena(under 49% top 2 rate for Karthus)

Nautilus, the Titan of the Depths
-20.4
Aphelios, the Weapon of the Faithful
-15.7
Graves, the Outlaw
-15.7
Heimerdinger, the Revered Inventor
-15.7
Jax, Grandmaster at Arms
-15.7
Kennen, the Heart of the Tempest
-15.7
Rell, the Iron Maiden
-15.7
Renata Glasc, the Chem-Baroness
-15.7
Viktor, the Herald of the Arcane
-15.7
Teemo, the Swift Scout
-11.5
Singed, the Mad Chemist
-9.0
Twisted Fate, the Card Master
-9.0

Best Matchups for Karthus in Arena(over 51% top 2 rate for Karthus)

Anivia, the Cryophoenix
+49.0
Cassiopeia, the Serpent's Embrace
+49.0
Renekton, the Butcher of the Sands
+29.0
Vel'Koz, the Eye of the Void
+29.0
Briar, the Restrained Hunger
+15.7
Diana, Scorn of the Moon
+15.7
Jayce, the Defender of Tomorrow
+15.7
Miss Fortune, the Bounty Hunter
+15.7
Naafiri, the Hound of a Hundred Bites
+15.7
Trundle, the Troll King
+15.7
Ezreal, the Prodigal Explorer
+9.0
Leona, the Radiant Dawn
+9.0
Lillia, the Bashful Bloom
+9.0

Even Matchups for Karthus in Arena(49% - 51% top 2 rate for Karthus)

Ahri, the Nine-Tailed Fox
Bel'Veth, the Empress of the Void
Garen, The Might of Demacia
Illaoi, the Kraken Priestess
Samira, the Desert Rose
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