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Mage

Karthus Arena Build 
25.13 LoL 

 Augments, Items, Duos
Tier: BWin37.75%Pick6.26%Ban1.48%Games: 74KDA: 2.49Score: 55.49

Karthus is ranked B Tier and has a 37.75% win rate in LoL Arena Patch 25.13. We've analyzed 74 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 Cassiopeia, Shyvana, and Taric. Karthus's Best Arena counters are Aphelios, Graves, and Jax.

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Best Prismatic Augments for Karthus

Jeweled GauntletJeweled GauntletTier: S+
DoomsayerDoomsayerTier: S
EurekaEurekaTier: S
GoliathGoliathTier: S

Best Gold Augments for Karthus

Quest: Urf's ChampionQuest: Urf's ChampionTier: S+
Symbiotic MutationSymbiotic MutationTier: S+
Big BrainBig BrainTier: S
FlashyFlashyTier: S

Best Silver Augments for Karthus

Witchful ThinkingWitchful ThinkingTier: S+
DesecratorDesecratorTier: S
Fire SaleFire SaleTier: S
OverflowOverflowTier: 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
73%
2
Sorcerer's Shoes
77%
3
Pyromancer's Cloak
24%
4
Liandry's Anguish
58%
8
Shadowflame
39%
11
Rabadon's Deathcap
76%
14
Void Staff
30%

Karthus Boots

Buy %
Sorcerer's Shoes
77%
Ionian Boots of Lucidity
5%
Mercury's Treads
1%

Karthus Situational Items

Buy %
Malignance
50%
Blackfire Torch
20%
Zhonya's Hourglass
14%
Morellonomicon
7%
Wooglet's Witchcap
9%
Infinity Edge
1%

Karthus Juices

Buy %
Juice of Power
7%
Juice of Vitality
1%
Juice of Haste
0%

Karthus Prismatic Item Tier List

Pyromancer's CloakA
Detonation OrbB
RunecarverD

Karthus Silver Augment Tier List

Witchful ThinkingS+
DesecratorS
Fire SaleS
OverflowS
Warmup RoutineS
Juice BoxS
Buff BuddiesA
Slime TimeA
ADAPtA
FirefoxA
ExecutionerA
Contract KillerA
Mind to MatterA
Stats!A
Ice ColdB
Ultimate UnstoppableB
Transmute: GoldB
Juice PressB
DematerializeB
RepulsorB
Cannon FodderB
Ocean SoulB
Mirror ImageC
Parasitic MutationC
Tank EngineC
Light 'em Up!C
Serve Beyond DeathD
HomeguardD
Tank It Or Leave ItD
Infernal SoulD

Karthus Gold Augment Tier List

Quest: Urf's ChampionS+
Symbiotic MutationS+
Big BrainS
FlashyS
Thread the NeedleS
It's Killing TimeS
With HasteS
Extendo-ArmA
Magic MissileA
It's CriticalA
Transmute: PrismaticA
From Beginning to EndA
Phenomenal EvilA
Keystone ConjurerA
Combo MasterB
VulnerabilityB
Ethereal WeaponB
Divine InterventionB
Summoner RevolutionB
Parasitic RelationshipB
Die Another DayB
Apex InventorB
FirebrandC
Searing DawnC
DeathtouchC
Critical HealingC
RecursionD
VengeanceD
Stats on Stats!D
Restless RestorationD

Karthus Prismatic Augment Tier List

Jeweled GauntletS+
DoomsayerS
EurekaS
GoliathS
Trueshot ProdigyS
Omni SoulA
Fey MagicA
Quest: Wooglet's WitchcapA
Giant SlayerA
Ultimate RevolutionA
Infernal ConduitB
Summoner's RouletteB
SpellwakeB
Ultimate RouletteB
Master of DualityB
Can't Touch ThisC
Transmute: ChaosC
Stats on Stats on Stats!D
ChauffeurD
Prismatic EggD
Sacrifice: For PrismaticD

Best Bans for Karthus in Arena

Jax, Grandmaster at Arms
S
Twisted Fate, the Card Master
S
Graves, the Outlaw
S
Leona, the Radiant Dawn
A
Rell, the Iron Maiden
A
Aphelios, the Weapon of the Faithful
A
Teemo, the Swift Scout
A
Ezreal, the Prodigal Explorer
A
Naafiri, the Hound of a Hundred Bites
A
Illaoi, the Kraken Priestess
A
Mel, the Soul's Reflection
A
Garen, The Might of Demacia
A
Renekton, the Butcher of the Sands
B
Samira, the Desert Rose
B
Trundle, the Troll King
B
Miss Fortune, the Bounty Hunter
B
Zac, the Secret Weapon
B
Rakan, The Charmer
B
Orianna, the Lady of Clockwork
B
Shyvana, the Half-Dragon
B
Cassiopeia, the Serpent's Embrace
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)

Ekko, the Boy Who Shattered Time
Kayn, the Shadow Reaper
Vi, the Piltover Enforcer

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

Aphelios, the Weapon of the Faithful
-20.4
Graves, the Outlaw
-20.4
Jax, Grandmaster at Arms
-20.4
Rell, the Iron Maiden
-20.4
Teemo, the Swift Scout
-19.0
Mel, the Soul's Reflection
-15.7
Twisted Fate, the Card Master
-15.7
Garen, The Might of Demacia
-11.5
Leona, the Radiant Dawn
-6.1
Samira, the Desert Rose
-6.1

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

Cassiopeia, the Serpent's Embrace
+49.0
Shyvana, the Half-Dragon
+49.0
Taric, the Shield of Valoran
+49.0
Zac, the Secret Weapon
+49.0
Renekton, the Butcher of the Sands
+29.0
Diana, Scorn of the Moon
+15.7
Ezreal, the Prodigal Explorer
+15.7
Kassadin, the Void Walker
+15.7
Naafiri, the Hound of a Hundred Bites
+15.7
Lillia, the Bashful Bloom
+9.0
Trundle, the Troll King
+6.1

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

Illaoi, the Kraken Priestess
Miss Fortune, the Bounty Hunter
Orianna, the Lady of Clockwork
Rakan, The Charmer
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