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Mage

Karthus Arena Build 
25.09 LoL 

 Augments, Items, Duos
Tier: S+Win33.33%Pick7.91%Ban2.20%Games: 36KDA: 2.19Score: 56.81

Karthus is ranked S+ Tier and has a 33.33% win rate in LoL Arena Patch 25.09. We've analyzed 36 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Rabadon's Deathcap, Malignance, Perplexity, Rite Of Ruin, and Morellonomicon. Karthus's best augments include Jeweled Gauntlet (Prismatic), Soul Siphon (Gold), and Witchful Thinking (Silver). For team partners, the best champions include: Ornn. Karthus's Best Arena matchups include Gnar, Hwei, and Jayce. Karthus's Best Arena counters are Aurelion Sol, Braum, and Ekko.

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Best Prismatic Augments for Karthus

Jeweled GauntletJeweled GauntletTier: S+
Ultimate RevolutionUltimate RevolutionTier: S
EurekaEurekaTier: A
Chain LightningChain LightningTier: A

Best Gold Augments for Karthus

Soul SiphonSoul SiphonTier: S+
Quest: Urf's ChampionQuest: Urf's ChampionTier: A
RestartRestartTier: A
VengeanceVengeanceTier: A

Best Silver Augments for Karthus

Witchful ThinkingWitchful ThinkingTier: S+
Tank It Or Leave ItTank It Or Leave ItTier: A
Contract KillerContract KillerTier: A
FlashbangFlashbangTier: A

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
56%
2
Sorcerer's Shoes
69%
4
Rabadon's Deathcap
89%
8
Malignance
39%
11
Perplexity
22%
14
Rite Of Ruin
22%
17
Morellonomicon
17%

Karthus Boots

Buy %
Sorcerer's Shoes
69%
Ionian Boots of Lucidity
6%

Karthus Situational Items

Buy %
Void Staff
33%
Liandry's Anguish
39%
Shadowflame
25%
Rod of Ages
14%
Stormsurge
8%
Zhonya's Hourglass
6%

Karthus Juices

Buy %
Juice of Power
4%
Juice of Haste
1%
Juice of Vitality
0%

Karthus Silver Augment Tier List

Witchful ThinkingS+
Tank It Or Leave ItA
Contract KillerA
FlashbangA
Fire SaleA
Parasitic MutationA
OverflowA
ExecutionerA
Tank EngineB
Ocean SoulB
Mind to MatterB
ADAPtB
Stats!C
DematerializeC
ErosionD
Transmute: GoldD
FirefoxD

Karthus Gold Augment Tier List

Soul SiphonS+
Quest: Urf's ChampionA
RestartA
VengeanceA
FlashyA
Dark BlessingA
Hat TrickA
Magic MissileA
Big BrainA
It's Killing TimeA
Phenomenal EvilA
From Beginning to EndB
Combo MasterB
Stats on Stats!B
Transmute: PrismaticB
Keystone ConjurerB
Thread the NeedleB
Summoner RevolutionC
We'll Be Right BackC
Apex InventorD
Celestial BodyD
DeathtouchD
Divine InterventionD

Karthus Prismatic Augment Tier List

Jeweled GauntletS+
Ultimate RevolutionS
EurekaA
Chain LightningA
Gamba AnvilA
DoomsayerA
Prismatic EggA
Trueshot ProdigyB
Transmute: ChaosB
Infernal ConduitB
ChauffeurB
SpellwakeC
Mad ScientistC
Giant SlayerC
Quest: Wooglet's WitchcapD
Sacrifice: For PrismaticD

Best Bans for Karthus in Arena

Blitzcrank, the Great Steam Golem
S+
Sylas, the Unshackled
S
Tristana, the Yordle Gunner
S
Sona, Maven of the Strings
S
Lux, the Lady of Luminosity
S
Vi, the Piltover Enforcer
S
Nunu, the Boy and His Yeti
A
Hecarim, the Shadow of War
A
Katarina, the Sinister Blade
A
Kai'Sa, Daughter of the Void
A
Malzahar, the Prophet of the Void
A
Kayn, the Shadow Reaper
A
Riven, the Exile
A
Ekko, the Boy Who Shattered Time
A
Zac, the Secret Weapon
A
Braum, the Heart of the Freljord
A
Shaco, the Demon Jester
A
Cho'Gath, the Terror of the Void
A
Aurelion Sol, The Star Forger
A
Gragas, the Rabble Rouser
A
Rell, the Iron Maiden
A

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

Ornn, The Fire below the Mountain
+15.7

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

Aurelion Sol, The Star Forger
-15.7
Braum, the Heart of the Freljord
-15.7
Ekko, the Boy Who Shattered Time
-15.7
Gangplank, the Saltwater Scourge
-15.7
Hecarim, the Shadow of War
-15.7
Katarina, the Sinister Blade
-15.7
Kayn, the Shadow Reaper
-15.7
Lux, the Lady of Luminosity
-15.7
Malzahar, the Prophet of the Void
-15.7
Nocturne, the Eternal Nightmare
-15.7
Nunu, the Boy and His Yeti
-15.7
Riven, the Exile
-15.7
Shaco, the Demon Jester
-15.7
Sylas, the Unshackled
-15.7
Tristana, the Yordle Gunner
-15.7
Vi, the Piltover Enforcer
-15.7
Zac, the Secret Weapon
-15.7
Cho'Gath, the Terror of the Void
-9.0
Kai'Sa, Daughter of the Void
-9.0
Rell, the Iron Maiden
-9.0
Vel'Koz, the Eye of the Void
-9.0
Blitzcrank, the Great Steam Golem
-6.1
Gragas, the Rabble Rouser
-6.1

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

Gnar, the Missing Link
+49.0
Hwei, the Visionary
+49.0
Jayce, the Defender of Tomorrow
+49.0
Kled, the Cantankerous Cavalier
+49.0
Olaf, the Berserker
+49.0
Xerath, the Magus Ascendant
+29.0
Galio, the Colossus
+15.7
Kha'Zix, the Voidreaver
+15.7
LeBlanc, the Deceiver
+15.7
Nilah, the Joy Unbound
+15.7
Orianna, the Lady of Clockwork
+15.7
Singed, the Mad Chemist
+15.7
Talon, the Blade's Shadow
+15.7
Twisted Fate, the Card Master
+15.7
Xayah, the Rebel
+15.7
Volibear, the Relentless Storm
+9.0
Smolder, the Fiery Fledgling
+4.6

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

Azir, the Emperor of the Sands
Briar, the Restrained Hunger
Camille, the Steel Shadow
Darius, the Hand of Noxus
Dr. Mundo, the Madman of Zaun
Elise, the Spider Queen
Janna, the Storm's Fury
Karma, the Enlightened One
Kassadin, the Void Walker
Kayle, the Righteous
Lissandra, the Ice Witch
Lulu, the Fae Sorceress
Naafiri, the Hound of a Hundred Bites
Rengar, the Pridestalker
Samira, the Desert Rose
Sona, Maven of the Strings
Trundle, the Troll King
Twitch, the Plague Rat
Yorick, Shepherd of Souls
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