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Mage

Karthus Arena Build 
25.13 LoL 

 Augments, Items, Duos
Tier: BWin17.02%Pick5.49%Ban1.84%Games: 47KDA: 1.95Score: 47.33

Karthus is ranked B Tier and has a 17.02% win rate in LoL Arena Patch 25.13. We've analyzed 47 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, Lee Sin, and Rek'Sai. Karthus's Best Arena counters are Lucian, Cassiopeia, and Ivern.

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Best Prismatic Augments for Karthus

Giant SlayerGiant SlayerTier: S+
DoomsayerDoomsayerTier: S
Prismatic EggPrismatic EggTier: S
Gamba AnvilGamba AnvilTier: S

Best Gold Augments for Karthus

OK BoomerangOK BoomerangTier: S
VulnerabilityVulnerabilityTier: S
Parasitic RelationshipParasitic RelationshipTier: S
And My Axe!And My Axe!Tier: S

Best Silver Augments for Karthus

Buff BuddiesBuff BuddiesTier: S
Cannon FodderCannon FodderTier: S
Contract KillerContract KillerTier: S
ErosionErosionTier: 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
77%
2
Sorcerer's Shoes
85%
3
Detonation Orb
30%
4
Liandry's Anguish
47%
8
Malignance
55%
11
Rabadon's Deathcap
77%
14
Void Staff
34%

Karthus Boots

Buy %
Sorcerer's Shoes
85%

Karthus Situational Items

Buy %
Blackfire Torch
23%
Shadowflame
32%
Zhonya's Hourglass
17%
Archangel's Staff
11%
Axiom Arc
6%
Horizon Focus
9%

Karthus Juices

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

Karthus Prismatic Item Tier List

Detonation OrbA
Night HarvesterB
Pyromancer's CloakC
DecapitatorD

Karthus Silver Augment Tier List

Buff BuddiesS
Cannon FodderS
Contract KillerS
ErosionS
ADAPtA
Witchful ThinkingA
FirefoxA
Mind to MatterA
ExecutionerA
Infernal SoulB
Ultimate UnstoppableB
Stats!B
Dive BomberB
DematerializeB
Ice ColdC
Mirror ImageC
Leg DayC
OverflowD
Don't ChaseD
Light 'em Up!D

Karthus Gold Augment Tier List

OK BoomerangS
VulnerabilityS
Parasitic RelationshipS
And My Axe!S
It's Killing TimeS
Keystone ConjurerS
Phenomenal EvilS
Big BrainA
Symbiotic MutationA
Magic MissileA
Searing DawnA
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
Stats on Stats!D
Ethereal WeaponD
Shrink RayD
OathswornD
Extendo-ArmD
Celestial BodyD
MarksmageD

Karthus Prismatic Augment Tier List

Giant SlayerS+
DoomsayerS
Prismatic EggS
Gamba AnvilS
Infernal ConduitA
Chain LightningA
SpellwakeA
Jeweled GauntletA
EurekaB
Fey MagicB
Master of DualityB
Omni SoulB
Quest: Wooglet's WitchcapB
Wisdom of AgesC
ChauffeurC
Can't Touch ThisC
Ultimate RouletteD
Mad ScientistD

Best Bans for Karthus in Arena

Lucian, the Purifier
S
Nautilus, the Titan of the Depths
S
Malphite, Shard of the Monolith
S
Yasuo, the Unforgiven
A
Udyr, the Spirit Walker
A
Aurora, the Witch Between Worlds
A
Morgana, the Fallen
A
Mordekaiser, the Iron Revenant
A
Ivern, the Green Father
A
Zyra, Rise of the Thorns
A
Caitlyn, the Sheriff of Piltover
A
Lillia, the Bashful Bloom
A
Sejuani, Fury of the North
A
Hecarim, the Shadow of War
A
Orianna, the Lady of Clockwork
A
Kassadin, the Void Walker
A
Illaoi, the Kraken Priestess
A
Heimerdinger, the Revered Inventor
A
Cassiopeia, the Serpent's Embrace
A
Rell, the Iron Maiden
B
Jinx, the Loose Cannon
B

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)

Lucian, the Purifier
-20.4
Cassiopeia, the Serpent's Embrace
-15.7
Ivern, the Green Father
-15.7
Lillia, the Bashful Bloom
-15.7
Nautilus, the Titan of the Depths
-15.7
Sejuani, Fury of the North
-15.7
Rell, the Iron Maiden
-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
Lee Sin, the Blind Monk
+49.0
Rek'Sai, the Void Burrower
+49.0
Kog'Maw, the Mouth of the Abyss
+34.7
Yasuo, the Unforgiven
+24.0
Brand, the Burning Vengeance
+15.7
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
Udyr, the Spirit Walker
+15.7
Veigar, the Tiny Master of Evil
+15.7
Zyra, Rise of the Thorns
+15.7
Jinx, the Loose Cannon
+9.0
Kayn, the Shadow Reaper
+9.0
Malzahar, the Prophet of the Void
+9.0
Mordekaiser, the Iron Revenant
+4.6

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

Aurora, the Witch Between Worlds
Bard, the Wandering Caretaker
Caitlyn, the Sheriff of Piltover
Mel, the Soul's Reflection
Morgana, the Fallen
Nasus, the Curator of the Sands
Neeko, the Curious Chameleon
Tryndamere, the Barbarian King
Varus, the Arrow of Retribution
Vel'Koz, the Eye of the Void
Vi, the Piltover Enforcer
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