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Mage

Karthus Arena Build 
25.15 LoL 

 Augments, Items, Duos
Tier: BWin10.26%Pick7.73%Ban2.35%Games: 63KDA: 2.49Score: 51.12

Karthus is ranked B Tier and has a 10.26% win rate in LoL Arena Patch 25.15. We've analyzed 63 Karthus games to compile our statistical Karthus Arena Build Guide. For items, our build recommends: Sorcerer's Shoes, Rabadon's Deathcap, Zhonya's Hourglass, Liandry's Anguish, Void Staff, and Runecarver. Karthus's best augments include Giant Slayer (Prismatic), Parasitic Relationship (Gold), and Frost Wraith (Silver). For team partners, the best champions include: Akali and Blitzcrank. Karthus's Best Arena matchups include Maokai, Udyr, and Yunara. Karthus's Best Arena counters are Senna, Ahri, and Fizz.

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Best Prismatic Augments for Karthus

Giant SlayerGiant SlayerTier: S+
Quest: Wooglet's WitchcapQuest: Wooglet's WitchcapTier: S
EurekaEurekaTier: S
Ultimate RevolutionUltimate RevolutionTier: S

Best Gold Augments for Karthus

Parasitic RelationshipParasitic RelationshipTier: S+
Dark BlessingDark BlessingTier: S+
Transmute: PrismaticTransmute: PrismaticTier: S
Symbiotic MutationSymbiotic MutationTier: S

Best Silver Augments for Karthus

Frost WraithFrost WraithTier: S+
Ultimate UnstoppableUltimate UnstoppableTier: S+
Buff BuddiesBuff BuddiesTier: S+
OverflowOverflowTier: 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
65%
2
Sorcerer's Shoes
90%
3
Runecarver
25%
4
Rabadon's Deathcap
79%
8
Zhonya's Hourglass
22%
11
Liandry's Anguish
46%
14
Void Staff
32%

Karthus Boots

Buy %
Sorcerer's Shoes
90%
Mercury's Treads
2%

Karthus Situational Items

Buy %
Shadowflame
24%
Wooglet's Witchcap
14%
Blackfire Torch
19%
Malignance
41%
Archangel's Staff
11%
Horizon Focus
3%

Karthus Juices

Buy %
Juice of Power
7%
Juice of Vitality
2%
Juice of Haste
1%

Karthus Prismatic Item Tier List

RunecarverA
Pyromancer's CloakB
Detonation OrbD

Karthus Silver Augment Tier List

Frost WraithS+
Ultimate UnstoppableS+
Buff BuddiesS+
OverflowS
Witchful ThinkingS
Infernal SoulS
Slime TimeS
FirefoxA
Stats!A
Transmute: GoldA
Mirror ImageA
Mountain SoulA
Warmup RoutineA
Serve Beyond DeathA
Juice PressA
ADAPtB
Tank EngineB
ExecutionerB
Fallen AegisB
Mind to MatterB
Self DestructB
Frozen FoundationsB
ClotheslineB
Juice BoxD
CastleD
ErosionD
FlashbangD
Leg DayD
Tank It Or Leave ItD
Ice ColdD
Snowball Fight!D

Karthus Gold Augment Tier List

Parasitic RelationshipS+
Dark BlessingS+
Transmute: PrismaticS
Symbiotic MutationS
From Beginning to EndS
Big BrainS
RestartA
Phenomenal EvilA
Magic MissileA
Thread the NeedleA
It's Killing TimeA
Keystone ConjurerA
VulnerabilityA
Summoner RevolutionB
Divine InterventionB
Quest: Urf's ChampionB
Critical HealingB
Stats on Stats!B
Combo MasterB
Skilled SniperC
Celestial BodyC
Light WardenC
Hat TrickC
MarksmageD
Scopier WeaponsD
Die Another DayD
Ethereal WeaponD

Karthus Prismatic Augment Tier List

Giant SlayerS+
Quest: Wooglet's WitchcapS
EurekaS
Ultimate RevolutionS
Jeweled GauntletA
Omni SoulA
SpellwakeA
Chain LightningA
Can't Touch ThisB
Trueshot ProdigyB
Ultimate RouletteB
DoomsayerB
Infernal ConduitB
Tap DancerB
Transmute: ChaosC
Orbital LaserC
Stats on Stats on Stats!C
Mad ScientistD
Fey MagicD

Best Bans for Karthus in Arena

Senna, the Redeemer
S+
Malphite, Shard of the Monolith
S
Orianna, the Lady of Clockwork
S
Tristana, the Yordle Gunner
S
Gwen, The Hallowed Seamstress
A
Ahri, the Nine-Tailed Fox
A
Graves, the Outlaw
A
Fizz, the Tidal Trickster
A
Lulu, the Fae Sorceress
A
Hecarim, the Shadow of War
A
Akali, the Rogue Assassin
A
Xayah, the Rebel
A
Ivern, the Green Father
A
Heimerdinger, the Revered Inventor
A
Cassiopeia, the Serpent's Embrace
A
Kayle, the Righteous
B
Evelynn, Agony's Embrace
B
Shaco, the Demon Jester
B
Zeri, The Spark of Zaun
B
Yuumi, the Magical Cat
B
Talon, the Blade's Shadow
B

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

Akali, the Rogue Assassin
+15.7
Blitzcrank, the Great Steam Golem
+15.7

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

Amumu, the Sad Mummy

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

Senna, the Redeemer
-20.4
Ahri, the Nine-Tailed Fox
-15.7
Fizz, the Tidal Trickster
-15.7
Hecarim, the Shadow of War
-15.7
Heimerdinger, the Revered Inventor
-15.7
Lulu, the Fae Sorceress
-15.7
Xayah, the Rebel
-15.7
Yuumi, the Magical Cat
-15.7
Talon, the Blade's Shadow
-6.1

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

Maokai, the Twisted Treant
+49.0
Udyr, the Spirit Walker
+49.0
Yunara, the Unbroken Faith
+49.0
Zeri, The Spark of Zaun
+29.0
Viego, The Ruined King
+24.0
Orianna, the Lady of Clockwork
+20.4
Akali, the Rogue Assassin
+15.7
Cassiopeia, the Serpent's Embrace
+15.7
Evelynn, Agony's Embrace
+15.7
Graves, the Outlaw
+15.7
Irelia, the Blade Dancer
+15.7
Ivern, the Green Father
+15.7
Shaco, the Demon Jester
+15.7
Kayle, the Righteous
+11.5
Gwen, The Hallowed Seamstress
+6.1
Tristana, the Yordle Gunner
+4.6

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

Ekko, the Boy Who Shattered Time
Malphite, Shard of the Monolith
Nami, the Tidecaller
Nasus, the Curator of the Sands
Pyke, the Bloodharbor Ripper
Wukong, the Monkey King
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