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Mage

Karthus Arena Build 
25.13 LoL 

 Augments, Items, Duos
Tier: BWin38.10%Pick6.13%Ban1.34%Games: 67KDA: 2.50Score: 55.79

Karthus is ranked B Tier and has a 38.10% win rate in LoL Arena Patch 25.13. We've analyzed 67 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 Jax, Rell, and Ahri.

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Best Prismatic Augments for Karthus

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

Best Gold Augments for Karthus

Quest: Urf's ChampionQuest: Urf's ChampionTier: S+
Symbiotic MutationSymbiotic MutationTier: S+
Big BrainBig BrainTier: S
Thread the NeedleThread the NeedleTier: 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
72%
2
Sorcerer's Shoes
79%
3
Pyromancer's Cloak
25%
4
Liandry's Anguish
54%
8
Shadowflame
39%
11
Rabadon's Deathcap
72%
14
Void Staff
28%

Karthus Boots

Buy %
Sorcerer's Shoes
79%
Ionian Boots of Lucidity
6%
Mercury's Treads
1%

Karthus Situational Items

Buy %
Malignance
48%
Zhonya's Hourglass
13%
Blackfire Torch
19%
Morellonomicon
6%
Perplexity
13%
Wooglet's Witchcap
10%

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
Buff BuddiesS
Slime TimeS
Juice BoxA
ADAPtA
FirefoxA
ExecutionerA
Contract KillerA
Mind to MatterA
Stats!A
Ultimate UnstoppableB
Ice ColdB
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
Thread the NeedleS
FlashyS
Combo MasterS
It's Killing TimeA
With HasteA
Extendo-ArmA
Magic MissileA
It's CriticalA
Transmute: PrismaticA
From Beginning to EndA
Phenomenal EvilB
Keystone ConjurerB
VulnerabilityB
Ethereal WeaponB
Divine InterventionB
Parasitic RelationshipC
Summoner RevolutionC
Die Another DayC
Apex InventorC
FirebrandC
Searing DawnC
DeathtouchC
Critical HealingD
VengeanceD
Stats on Stats!D

Karthus Prismatic Augment Tier List

Jeweled GauntletS+
DoomsayerS
EurekaS
GoliathA
Trueshot ProdigyA
Omni SoulA
Fey MagicA
Quest: Wooglet's WitchcapA
Infernal ConduitA
Ultimate RevolutionB
Giant SlayerB
SpellwakeB
Summoner's RouletteB
Transmute: ChaosB
Can't Touch ThisC
Master of DualityC
Stats on Stats on Stats!D
Ultimate RouletteD
Prismatic EggD
Sacrifice: For PrismaticD

Best Bans for Karthus in Arena

Singed, the Mad Chemist
S
Jax, Grandmaster at Arms
S
Rell, the Iron Maiden
A
Ezreal, the Prodigal Explorer
A
Yone, the Unforgotten
A
Ahri, the Nine-Tailed Fox
A
Blitzcrank, the Great Steam Golem
A
Graves, the Outlaw
A
Naafiri, the Hound of a Hundred Bites
A
Leona, the Radiant Dawn
A
Twisted Fate, the Card Master
A
Aphelios, the Weapon of the Faithful
A
Teemo, the Swift Scout
A
Illaoi, the Kraken Priestess
B
Mel, the Soul's Reflection
B
Garen, The Might of Demacia
B
Renekton, the Butcher of the Sands
B
Samira, the Desert Rose
B
Trundle, the Troll King
B
Zac, the Secret Weapon
B
Shyvana, the Half-Dragon
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

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

Jax, Grandmaster at Arms
-20.4
Rell, the Iron Maiden
-20.4
Ahri, the Nine-Tailed Fox
-15.7
Aphelios, the Weapon of the Faithful
-15.7
Blitzcrank, the Great Steam Golem
-15.7
Graves, the Outlaw
-15.7
Mel, the Soul's Reflection
-15.7
Teemo, the Swift Scout
-15.7
Yone, the Unforgotten
-15.7
Garen, The Might of Demacia
-11.5
Twisted Fate, the Card Master
-9.0
Singed, the Mad Chemist
-3.5

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
Miss Fortune, the Bounty Hunter
+15.7
Naafiri, the Hound of a Hundred Bites
+15.7
Trundle, the Troll King
+15.7
Lillia, the Bashful Bloom
+9.0

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

Illaoi, the Kraken Priestess
Leona, the Radiant Dawn
Samira, the Desert Rose
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