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Mage

Karthus Arena Build 
25.09 LoL 

 Augments, Items, Duos
Tier: S+Win33.33%Pick7.79%Ban2.28%Games: 33KDA: 2.19Score: 57.25

Karthus is ranked S+ Tier and has a 33.33% win rate in LoL Arena Patch 25.09. We've analyzed 33 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Rabadon's Deathcap, Malignance, Void Staff, Perplexity, and Rite Of Ruin. 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, Elise, and Gangplank.

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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
58%
2
Sorcerer's Shoes
70%
4
Rabadon's Deathcap
88%
8
Malignance
42%
11
Void Staff
33%
14
Perplexity
21%
17
Rite Of Ruin
24%

Karthus Boots

Buy %
Sorcerer's Shoes
70%
Ionian Boots of Lucidity
3%

Karthus Situational Items

Buy %
Morellonomicon
15%
Liandry's Anguish
39%
Shadowflame
27%
Wordless Promise
6%
Blackfire Torch
6%
Archangel's Staff
3%

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
Parasitic MutationA
OverflowA
ExecutionerA
Tank EngineB
Ocean SoulB
Mind to MatterB
Stats!B
DematerializeC
ADAPtC
Transmute: GoldD
FirefoxD
ErosionD

Karthus Gold Augment Tier List

Soul SiphonS+
Quest: Urf's ChampionA
RestartA
VengeanceA
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 NeedleC
Summoner RevolutionC
We'll Be Right BackC
Apex InventorD
Celestial BodyD
Divine InterventionD

Karthus Prismatic Augment Tier List

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

Best Bans for Karthus in Arena

Sylas, the Unshackled
S+
Tristana, the Yordle Gunner
S+
Sona, Maven of the Strings
S
Nunu, the Boy and His Yeti
S
Katarina, the Sinister Blade
S
Malzahar, the Prophet of the Void
A
Kayn, the Shadow Reaper
A
Nami, the Tidecaller
A
Soraka, the Starchild
A
Riven, the Exile
A
Zac, the Secret Weapon
A
Shaco, the Demon Jester
A
Swain, the Noxian Grand General
A
Aurelion Sol, The Star Forger
A
Vi, the Piltover Enforcer
A
Gangplank, the Saltwater Scourge
A
Nocturne, the Eternal Nightmare
A
Elise, the Spider Queen
A
Vel'Koz, the Eye of the Void
A
Smolder, the Fiery Fledgling
A
Kai'Sa, Daughter of the Void
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
Elise, the Spider Queen
-15.7
Gangplank, the Saltwater Scourge
-15.7
Katarina, the Sinister Blade
-15.7
Kayn, the Shadow Reaper
-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
Soraka, the Starchild
-15.7
Sylas, the Unshackled
-15.7
Tristana, the Yordle Gunner
-15.7
Zac, the Secret Weapon
-15.7
Vel'Koz, the Eye of the Void
-9.0
Vi, the Piltover Enforcer
-9.0

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
Nami, the Tidecaller
+15.7
Nilah, the Joy Unbound
+15.7
Orianna, the Lady of Clockwork
+15.7
Swain, the Noxian Grand General
+15.7
Talon, the Blade's Shadow
+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)

Briar, the Restrained Hunger
Cho'Gath, the Terror of the Void
Darius, the Hand of Noxus
Dr. Mundo, the Madman of Zaun
Gragas, the Rabble Rouser
Hecarim, the Shadow of War
Kai'Sa, Daughter of the Void
Karma, the Enlightened One
Kassadin, the Void Walker
Lissandra, the Ice Witch
Lulu, the Fae Sorceress
Naafiri, the Hound of a Hundred Bites
Rell, the Iron Maiden
Samira, the Desert Rose
Singed, the Mad Chemist
Sona, Maven of the Strings
Trundle, the Troll King
Twitch, the Plague Rat
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