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Mage

Karthus Arena Build 
25.15 LoL 

 Augments, Items, Duos
Tier: S+Win19.75%Pick5.69%Ban1.58%Games: 83KDA: 1.95Score: 61.54

Karthus is ranked S+ Tier and has a 19.75% win rate in LoL Arena Patch 25.15. We've analyzed 83 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Liandry's Anguish, Malignance, Rabadon's Deathcap, Void Staff, and Detonation Orb. Karthus's best augments include Slow Cooker (Prismatic), Magic Missile (Gold), and Witchful Thinking (Silver). For team partners, the best champions include: Cho'Gath. Karthus's Best Arena matchups include Skarner, LeBlanc, and Orianna. Karthus's Best Arena counters are Blitzcrank, Sion, and Sylas.

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Best Prismatic Augments for Karthus

Slow CookerSlow CookerTier: S+
Infernal ConduitInfernal ConduitTier: S
Jeweled GauntletJeweled GauntletTier: S
Quest: Wooglet's WitchcapQuest: Wooglet's WitchcapTier: S

Best Gold Augments for Karthus

Magic MissileMagic MissileTier: S+
FlashyFlashyTier: S
Stats on Stats!Stats on Stats!Tier: S
Die Another DayDie Another DayTier: S

Best Silver Augments for Karthus

Witchful ThinkingWitchful ThinkingTier: S+
Don't ChaseDon't ChaseTier: S
TyphoonTyphoonTier: S
Juice PressJuice PressTier: 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
70%
2
Sorcerer's Shoes
71%
3
Detonation Orb
31%
4
Liandry's Anguish
43%
8
Malignance
52%
11
Rabadon's Deathcap
71%
14
Void Staff
25%

Karthus Boots

Buy %
Sorcerer's Shoes
71%
Ionian Boots of Lucidity
4%
Plated Steelcaps
1%
Ghostcrawlers
2%

Karthus Situational Items

Buy %
Zhonya's Hourglass
20%
Stormsurge
11%
Wooglet's Witchcap
11%
Morellonomicon
12%
Shadowflame
23%
Rod of Ages
17%

Karthus Juices

Buy %
Juice of Power
5%
Juice of Haste
1%
Juice of Vitality
1%

Karthus Prismatic Item Tier List

Detonation OrbS
Pyromancer's CloakA
Night HarvesterB
RunecarverC
EverfrostD

Karthus Silver Augment Tier List

Witchful ThinkingS+
Don't ChaseS
TyphoonS
Juice PressS
ADAPtS
OverflowS
GoredrinkS
Buff BuddiesS
ExecutionerA
Infernal SoulA
Ultimate UnstoppableA
Mirror ImageA
ErosionA
Transmute: GoldA
Juice BoxA
Ice ColdA
DematerializeB
DesecratorB
Serve Beyond DeathB
Dive BomberB
CastleB
Contract KillerB
Mind to MatterB
Tank EngineC
Snowball Fight!C
Don't BlinkC
Ocean SoulC
HomeguardD
Self DestructD
Fire SaleD
Fruits of Your LaborD
Stats!D
Mountain SoulD

Karthus Gold Augment Tier List

Magic MissileS+
FlashyS
Stats on Stats!S
Die Another DayS
It's CriticalS
With HasteS
It's Killing TimeS
RecursionA
Phenomenal EvilA
Combo MasterA
Big BrainA
Transmute: PrismaticA
Keystone ConjurerA
FirebrandB
Symbiotic MutationB
Parasitic RelationshipB
OathswornB
From Beginning to EndB
VulnerabilityB
We'll Be Right BackB
Quest: Urf's ChampionB
Divine InterventionB
Thread the NeedleB
MarksmageC
Restless RestorationD
Searing DawnD
Extendo-ArmD
Apex InventorD
Banner of CommandD
Bread And JamD
Dark BlessingD

Karthus Prismatic Augment Tier List

Slow CookerS+
Infernal ConduitS
Jeweled GauntletS
Quest: Wooglet's WitchcapS
Stats on Stats on Stats!A
SpellwakeA
Giant SlayerA
Omni SoulA
DoomsayerA
Gamba AnvilB
Trueshot ProdigyB
DreadbringerB
Chain LightningB
Symphony of WarC
Prismatic EggC
Transmute: ChaosC
Ultimate RevolutionC
Raid BossD
Ultimate RouletteD

Best Bans for Karthus in Arena

Sylas, the Unshackled
S+
Sion, The Undead Juggernaut
S+
Blitzcrank, the Great Steam Golem
S
Shen, the Eye of Twilight
S
Kai'Sa, Daughter of the Void
S
Garen, The Might of Demacia
A
Briar, the Restrained Hunger
A
Xayah, the Rebel
A
Rell, the Iron Maiden
A
Darius, the Hand of Noxus
A
Jax, Grandmaster at Arms
A
Aatrox, the Darkin Blade
A
Varus, the Arrow of Retribution
A
Morgana, the Fallen
A
Naafiri, the Hound of a Hundred Bites
A
Illaoi, the Kraken Priestess
A
Katarina, the Sinister Blade
A
Twitch, the Plague Rat
A
Irelia, the Blade Dancer
A
Jayce, the Defender of Tomorrow
A
Viktor, the Herald of the Arcane
A

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

Cho'Gath, the Terror of the Void
+15.7

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

Leona, the Radiant Dawn
Malphite, Shard of the Monolith
Swain, the Noxian Grand General

Below Average Karthus Duo Champions in Arena(under 49% top 2 rate with Karthus)

Nasus, the Curator of the Sands
-15.7
Sett, the Boss
-15.7
Yunara, the Unbroken Faith
-15.7

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

Blitzcrank, the Great Steam Golem
-21.7
Sion, The Undead Juggernaut
-20.4
Sylas, the Unshackled
-20.4
Cassiopeia, the Serpent's Embrace
-15.7
Darius, the Hand of Noxus
-15.7
Illaoi, the Kraken Priestess
-15.7
Irelia, the Blade Dancer
-15.7
Jayce, the Defender of Tomorrow
-15.7
Kai'Sa, Daughter of the Void
-15.7
Katarina, the Sinister Blade
-15.7
Morgana, the Fallen
-15.7
Naafiri, the Hound of a Hundred Bites
-15.7
Viktor, the Herald of the Arcane
-15.7
Gwen, The Hallowed Seamstress
-11.5
Garen, The Might of Demacia
-9.0
Poppy, Keeper of the Hammer
-9.0
Tahm Kench, The River King
-9.0
Thresh, the Chain Warden
-9.0
Jax, Grandmaster at Arms
-7.8
Shen, the Eye of Twilight
-6.1
Udyr, the Spirit Walker
-6.1
Xayah, the Rebel
-6.1
Zed, the Master of Shadows
-4.6

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

Skarner, the Primordial Sovereign
+49.0
LeBlanc, the Deceiver
+15.7
Orianna, the Lady of Clockwork
+9.0
Renata Glasc, the Chem-Baroness
+9.0
Riven, the Exile
+9.0
Sejuani, Fury of the North
+9.0
Tryndamere, the Barbarian King
+9.0
Zyra, Rise of the Thorns
+6.1
Aatrox, the Darkin Blade
+4.6
Master Yi, the Wuju Bladesman
+2.3

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

Briar, the Restrained Hunger
Diana, Scorn of the Moon
Gnar, the Missing Link
Ivern, the Green Father
K'Sante, the Pride of Nazumah
Kayle, the Righteous
Rell, the Iron Maiden
Taric, the Shield of Valoran
Twitch, the Plague Rat
Varus, the Arrow of Retribution
Wukong, the Monkey King
Xerath, the Magus Ascendant
Zilean, the Chronokeeper
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