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Mage

Karthus Arena Build 
25.13 LoL 

 Augments, Items, Duos
Tier: BWin18.18%Pick5.58%Ban1.89%Games: 55KDA: 2.00Score: 48.59

Karthus is ranked B Tier and has a 18.18% win rate in LoL Arena Patch 25.13. We've analyzed 55 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 Giant Slayer (Prismatic), OK Boomerang (Gold), and Buff Buddies (Silver). Karthus's Best Arena matchups include Ahri, Kog'Maw, and Yasuo. Karthus's Best Arena counters are Cassiopeia, Ivern, and Lillia.

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Best Prismatic Augments for Karthus

Giant SlayerGiant SlayerTier: S+
DoomsayerDoomsayerTier: S
Prismatic EggPrismatic EggTier: S
Infernal ConduitInfernal ConduitTier: S

Best Gold Augments for Karthus

OK BoomerangOK BoomerangTier: S+
Parasitic RelationshipParasitic RelationshipTier: S+
And My Axe!And My Axe!Tier: S+
Big BrainBig BrainTier: S

Best Silver Augments for Karthus

Buff BuddiesBuff BuddiesTier: S
Cannon FodderCannon FodderTier: S
Contract KillerContract KillerTier: S
Transmute: GoldTransmute: GoldTier: 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
78%
2
Sorcerer's Shoes
85%
3
Detonation Orb
27%
4
Liandry's Anguish
49%
8
Malignance
58%
11
Rabadon's Deathcap
76%
14
Void Staff
35%

Karthus Boots

Buy %
Sorcerer's Shoes
85%
Ionian Boots of Lucidity
2%

Karthus Situational Items

Buy %
Blackfire Torch
24%
Shadowflame
38%
Zhonya's Hourglass
16%
Morellonomicon
9%
Horizon Focus
9%
Rod of Ages
9%

Karthus Juices

Buy %
Juice of Power
7%
Juice of Vitality
1%
Juice of Haste
1%

Karthus Prismatic Item Tier List

Detonation OrbA
Pyromancer's CloakB
Night HarvesterC
DecapitatorD

Karthus Silver Augment Tier List

Buff BuddiesS
Cannon FodderS
Contract KillerS
Transmute: GoldS
Witchful ThinkingS
ErosionA
ADAPtA
Mind to MatterA
FirefoxA
ExecutionerA
Infernal SoulA
Ultimate UnstoppableB
DematerializeB
Stats!B
Dive BomberB
Ice ColdB
OverflowB
Mirror ImageC
Hold Very StillC
Juice PressC
Leg DayC
Don't ChaseD
HomeguardD
Light 'em Up!D

Karthus Gold Augment Tier List

OK BoomerangS+
Parasitic RelationshipS+
And My Axe!S+
Big BrainS
Phenomenal EvilS
Keystone ConjurerS
It's Killing TimeS
Magic MissileA
Symbiotic MutationA
VulnerabilityA
Searing DawnA
Rabble RousingA
It's CriticalA
Quest: Urf's ChampionA
VengeanceA
From Beginning to EndB
Thread the NeedleB
Die Another DayB
Hat TrickB
Defensive ManeuversB
Soul SiphonB
Scopier WeaponsB
Banner of CommandC
Transmute: PrismaticC
OathswornD
Stats on Stats!D
Ethereal WeaponD
Shrink RayD
Extendo-ArmD
Celestial BodyD
MarksmageD

Karthus Prismatic Augment Tier List

Giant SlayerS+
DoomsayerS
Prismatic EggS
Infernal ConduitS
Fey MagicA
Gamba AnvilA
Chain LightningA
SpellwakeA
Jeweled GauntletA
EurekaB
Master of DualityB
Ultimate RevolutionB
Omni SoulB
Quest: Wooglet's WitchcapB
Wisdom of AgesC
Mad ScientistC
Can't Touch ThisD
ChauffeurD
Stats on Stats on Stats!D
Ultimate RouletteD

Best Bans for Karthus in Arena

Briar, the Restrained Hunger
S+
Malphite, Shard of the Monolith
S
Yasuo, the Unforgiven
S
Morgana, the Fallen
S
Pyke, the Bloodharbor Ripper
A
Ivern, the Green Father
A
Lillia, the Bashful Bloom
A
Nasus, the Curator of the Sands
A
Sejuani, Fury of the North
A
Trundle, the Troll King
A
Hecarim, the Shadow of War
A
Wukong, the Monkey King
A
Kassadin, the Void Walker
A
Orianna, the Lady of Clockwork
A
Tryndamere, the Barbarian King
A
Caitlyn, the Sheriff of Piltover
A
Heimerdinger, the Revered Inventor
A
Cassiopeia, the Serpent's Embrace
A
Rek'Sai, the Void Burrower
A
Jinx, the Loose Cannon
B
Mordekaiser, the Iron Revenant
B

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

Akshan, the Rogue Sentinel

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

Malphite, Shard of the Monolith
-15.7

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

Cassiopeia, the Serpent's Embrace
-15.7
Ivern, the Green Father
-15.7
Lillia, the Bashful Bloom
-15.7
Nasus, the Curator of the Sands
-15.7
Sejuani, Fury of the North
-15.7
Tryndamere, the Barbarian King
-15.7
Wukong, the Monkey King
-15.7
Akshan, the Rogue Sentinel
-9.0
Briar, the Restrained Hunger
-9.0
Teemo, the Swift Scout
-6.1

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

Ahri, the Nine-Tailed Fox
+49.0
Kog'Maw, the Mouth of the Abyss
+34.7
Yasuo, the Unforgiven
+24.0
Zyra, Rise of the Thorns
+20.4
Hecarim, the Shadow of War
+15.7
Heimerdinger, the Revered Inventor
+15.7
Illaoi, the Kraken Priestess
+15.7
Kassadin, the Void Walker
+15.7
Malphite, Shard of the Monolith
+15.7
Orianna, the Lady of Clockwork
+15.7
Pyke, the Bloodharbor Ripper
+15.7
Rek'Sai, the Void Burrower
+15.7
Trundle, the Troll King
+15.7
Brand, the Burning Vengeance
+9.0
Caitlyn, the Sheriff of Piltover
+9.0
Jinx, the Loose Cannon
+9.0
Malzahar, the Prophet of the Void
+9.0
Mordekaiser, the Iron Revenant
+9.0
Varus, the Arrow of Retribution
+6.1
Aurora, the Witch Between Worlds
+3.5

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

Bard, the Wandering Caretaker
Kayn, the Shadow Reaper
Mel, the Soul's Reflection
Morgana, the Fallen
Neeko, the Curious Chameleon
Olaf, the Berserker
Veigar, the Tiny Master of Evil
Vel'Koz, the Eye of the Void
Vi, the Piltover Enforcer
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