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Mage

Karthus Arena Build 
25.13 LoL 

 Augments, Items, Duos
Tier: BWin17.50%Pick5.42%Ban1.87%Games: 80KDA: 2.06Score: 48.19

Karthus is ranked B Tier and has a 17.50% win rate in LoL Arena Patch 25.13. We've analyzed 80 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 Prismatic Egg (Prismatic), Parasitic Relationship (Gold), and Cannon Fodder (Silver). For team partners, the best champions include: Illaoi. Karthus's Best Arena matchups include Ahri, Riven, and Kog'Maw. Karthus's Best Arena counters are Teemo, Lucian, and Cassiopeia.

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Best Prismatic Augments for Karthus

Prismatic EggPrismatic EggTier: S+
Infernal ConduitInfernal ConduitTier: S+
Fey MagicFey MagicTier: S
Gamba AnvilGamba AnvilTier: S

Best Gold Augments for Karthus

Parasitic RelationshipParasitic RelationshipTier: S+
Summoner RevolutionSummoner RevolutionTier: S
OK BoomerangOK BoomerangTier: S
And My Axe!And My Axe!Tier: S

Best Silver Augments for Karthus

Cannon FodderCannon FodderTier: S
Contract KillerContract KillerTier: S
DesecratorDesecratorTier: S
Witchful ThinkingWitchful ThinkingTier: 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
76%
2
Sorcerer's Shoes
88%
3
Detonation Orb
28%
4
Liandry's Anguish
56%
8
Malignance
54%
11
Rabadon's Deathcap
80%
14
Void Staff
34%

Karthus Boots

Buy %
Sorcerer's Shoes
88%
Ionian Boots of Lucidity
3%

Karthus Situational Items

Buy %
Zhonya's Hourglass
21%
Shadowflame
41%
Blackfire Torch
24%
Morellonomicon
13%
Bloodletter's Curse
10%
Axiom Arc
4%

Karthus Juices

Buy %
Juice of Power
8%
Juice of Haste
1%
Juice of Vitality
2%

Karthus Prismatic Item Tier List

Detonation OrbS
Pyromancer's CloakA
Night HarvesterB
RunecarverC
DecapitatorD

Karthus Silver Augment Tier List

Cannon FodderS
Contract KillerS
DesecratorS
Witchful ThinkingS
ExecutionerS
ErosionS
Mind to MatterA
ADAPtA
FirefoxA
Transmute: GoldA
Buff BuddiesA
Infernal SoulA
DematerializeA
Ultimate UnstoppableB
Stats!B
Dive BomberB
Ice ColdB
Don't ChaseB
OverflowB
Serve Beyond DeathB
Mirror ImageC
Hold Very StillC
Parasitic MutationC
Juice PressC
Leg DayD
HomeguardD
Light 'em Up!D

Karthus Gold Augment Tier List

Parasitic RelationshipS+
Summoner RevolutionS
OK BoomerangS
And My Axe!S
Big BrainS
Magic MissileS
It's Killing TimeS
Keystone ConjurerS
Symbiotic MutationS
Phenomenal EvilA
Rabble RousingA
It's CriticalA
VengeanceA
With HasteA
VulnerabilityA
Searing DawnA
From Beginning to EndA
Die Another DayA
Quest: Urf's ChampionB
Thread the NeedleB
Dark BlessingB
Defensive ManeuversB
Scopier WeaponsB
Soul SiphonB
Hat TrickB
RecursionB
Banner of CommandB
Bread And JamC
Transmute: PrismaticC
OathswornC
Stats on Stats!C
Ethereal WeaponC
Shrink RayC
We'll Be Right BackC
Extendo-ArmD
Celestial BodyD
Combo MasterD
MarksmageD

Karthus Prismatic Augment Tier List

Prismatic EggS+
Infernal ConduitS+
Fey MagicS
Gamba AnvilS
DoomsayerS
EurekaS
Giant SlayerA
SpellwakeA
Ultimate RevolutionA
Chain LightningA
Slow CookerB
Orbital LaserB
Master of DualityB
Quest: Wooglet's WitchcapB
Jeweled GauntletB
Omni SoulB
Wisdom of AgesB
Transmute: ChaosB
Mad ScientistC
Can't Touch ThisC
ChauffeurC
Blade WaltzD
Stats on Stats on Stats!D
Quantum ComputingD
Ultimate RouletteD

Best Bans for Karthus in Arena

Rell, the Iron Maiden
S
Lucian, the Purifier
S
Poppy, Keeper of the Hammer
S
Teemo, the Swift Scout
A
Caitlyn, the Sheriff of Piltover
A
Mordekaiser, the Iron Revenant
A
Heimerdinger, the Revered Inventor
A
Varus, the Arrow of Retribution
A
Vi, the Piltover Enforcer
A
Zeri, The Spark of Zaun
A
Vel'Koz, the Eye of the Void
A
Cassiopeia, the Serpent's Embrace
A
Vex, the Gloomist
A
Zyra, Rise of the Thorns
A
Kog'Maw, the Mouth of the Abyss
A
Jinx, the Loose Cannon
A
Riven, the Exile
A
Kayn, the Shadow Reaper
A
Sejuani, Fury of the North
A
Akshan, the Rogue Sentinel
A
Aurora, the Witch Between Worlds
B

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

Illaoi, the Kraken Priestess
+49.0

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

Akshan, the Rogue Sentinel
Kayle, the Righteous
Sion, The Undead Juggernaut
Talon, the Blade's Shadow
Viktor, the Herald of the Arcane

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

Malphite, Shard of the Monolith
-15.7
Yorick, Shepherd of Souls
-15.7

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

Teemo, the Swift Scout
-21.7
Lucian, the Purifier
-19.0
Cassiopeia, the Serpent's Embrace
-15.7
Varus, the Arrow of Retribution
-15.7
Vel'Koz, the Eye of the Void
-15.7
Vex, the Gloomist
-15.7
Vi, the Piltover Enforcer
-15.7
Rell, the Iron Maiden
-12.6
Akshan, the Rogue Sentinel
-9.0
Renekton, the Butcher of the Sands
-9.0
Sejuani, Fury of the North
-9.0
Kayn, the Shadow Reaper
-4.6
Veigar, the Tiny Master of Evil
-4.6
Poppy, Keeper of the Hammer
-3.5
Mordekaiser, the Iron Revenant
-2.8

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

Ahri, the Nine-Tailed Fox
+49.0
Riven, the Exile
+49.0
Kog'Maw, the Mouth of the Abyss
+24.0
Malphite, Shard of the Monolith
+24.0
Kassadin, the Void Walker
+15.7
Zeri, The Spark of Zaun
+15.7
Zyra, Rise of the Thorns
+11.5
Heimerdinger, the Revered Inventor
+9.0
Jinx, the Loose Cannon
+9.0
Olaf, the Berserker
+9.0
Tryndamere, the Barbarian King
+9.0
Aurora, the Witch Between Worlds
+7.3
Illaoi, the Kraken Priestess
+4.6
Mel, the Soul's Reflection
+2.8
Briar, the Restrained Hunger
+2.3

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

Bard, the Wandering Caretaker
Brand, the Burning Vengeance
Caitlyn, the Sheriff of Piltover
Corki, the Daring Bombardier
Jayce, the Defender of Tomorrow
Lillia, the Bashful Bloom
Malzahar, the Prophet of the Void
Neeko, the Curious Chameleon
Ziggs, the Hexplosives Expert
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