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Mage

Karthus Arena Build 
25.09 LoL 

 Augments, Items, Duos
Tier: CWin13.60%Pick5.48%Ban1.00%Games: 85KDA: 2.26Score: 45.84

Karthus is ranked C Tier and has a 13.60% win rate in LoL Arena Patch 25.09. We've analyzed 85 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, Shadowflame, and Detonation Orb. Karthus's best augments include Gamba Anvil (Prismatic), Big Brain (Gold), and Contract Killer (Silver). Karthus's Best Arena matchups include Kha'Zix, Poppy, and Miss Fortune. Karthus's Best Arena counters are Mordekaiser, Ekko, and Milio.

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Best Prismatic Augments for Karthus

Gamba AnvilGamba AnvilTier: S+
Circle of DeathCircle of DeathTier: S+
Quest: Wooglet's WitchcapQuest: Wooglet's WitchcapTier: S
GoliathGoliathTier: S

Best Gold Augments for Karthus

Big BrainBig BrainTier: S+
Magic MissileMagic MissileTier: S+
Phenomenal EvilPhenomenal EvilTier: S+
Dark BlessingDark BlessingTier: S

Best Silver Augments for Karthus

Contract KillerContract KillerTier: S+
Warmup RoutineWarmup RoutineTier: S+
Mind to MatterMind to MatterTier: S+
Parasitic MutationParasitic MutationTier: 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
71%
3
Detonation Orb
28%
4
Liandry's Anguish
46%
8
Malignance
53%
11
Rabadon's Deathcap
68%
14
Shadowflame
26%

Karthus Boots

Buy %
Sorcerer's Shoes
71%
Ionian Boots of Lucidity
7%

Karthus Situational Items

Buy %
Zhonya's Hourglass
20%
Rod of Ages
22%
Void Staff
18%
Cryptbloom
4%
Wooglet's Witchcap
7%
Bloodletter's Curse
4%

Karthus Juices

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

Karthus Prismatic Item Tier List

Detonation OrbA
Night HarvesterB
RunecarverD

Karthus Silver Augment Tier List

Contract KillerS+
Warmup RoutineS+
Mind to MatterS+
Parasitic MutationS
FirefoxS
Tank It Or Leave ItS
Dive BomberS
ADAPtS
Stats!A
Ice ColdA
ErosionA
Witchful ThinkingA
RepulsorA
Tank EngineA
Ultimate UnstoppableA
GoredrinkA
DematerializeB
Hold Very StillB
ExecutionerB
Buff BuddiesB
Frozen FoundationsB
Mountain SoulB
Self DestructB
Transmute: GoldB
Slime TimeC
Mirror ImageC
OverflowC
Fruits of Your LaborC
Don't ChaseC
Juice PressD
Frost WraithD
Infernal SoulD
Ocean SoulD

Karthus Gold Augment Tier List

Big BrainS+
Magic MissileS+
Phenomenal EvilS+
Dark BlessingS
Light WardenS
VulnerabilityS
Ethereal WeaponS
Parasitic RelationshipS
Keystone ConjurerS
It's Killing TimeA
Critical HealingA
PerseveranceA
FirebrandA
Banner of CommandA
From Beginning to EndA
Divine InterventionA
Thread the NeedleA
Transmute: PrismaticA
Rabble RousingB
RecursionB
Combo MasterB
Quest: Urf's ChampionB
Quest: Steel Your HeartB
OathswornB
We'll Be Right BackB
With HasteB
Skilled SniperC
FlashyC
Dawnbringer's ResolveC
Die Another DayC
Extendo-ArmC
Shrink RayC
And My Axe!C
It's CriticalD
MarksmageD
Apex InventorD
VanishD

Karthus Prismatic Augment Tier List

Gamba AnvilS+
Circle of DeathS+
Quest: Wooglet's WitchcapS
GoliathS
Laser EyesS
SpellwakeS
Ultimate RevolutionA
Can't Touch ThisA
Chain LightningA
Trueshot ProdigyA
DoomsayerA
Transmute: ChaosA
EurekaA
Jeweled GauntletB
Mad ScientistB
Spirit LinkB
Infernal ConduitB
Feel the BurnB
Blade WaltzB
Ultimate RouletteB
Wisdom of AgesC
Summoner's RouletteC
ChauffeurC
Stats on Stats on Stats!C
Giant SlayerC
Scopiest WeaponsD
Omni SoulD
Fey MagicD

Best Bans for Karthus in Arena

Mordekaiser, the Iron Revenant
S
Twitch, the Plague Rat
S
Ekko, the Boy Who Shattered Time
A
Milio, The Gentle Flame
A
Lee Sin, the Blind Monk
A
Poppy, Keeper of the Hammer
A
Lillia, the Bashful Bloom
A
Samira, the Desert Rose
A
Gwen, The Hallowed Seamstress
A
Gnar, the Missing Link
A
Braum, the Heart of the Freljord
A
Lissandra, the Ice Witch
A
Bard, the Wandering Caretaker
A
Lucian, the Purifier
B
Maokai, the Twisted Treant
B
Ivern, the Green Father
B
Morgana, the Fallen
B
Rek'Sai, the Void Burrower
B
Heimerdinger, the Revered Inventor
B
Kha'Zix, the Voidreaver
B
Varus, the Arrow of Retribution
B

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

Twisted Fate, the Card Master
Zed, the Master of Shadows

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

Mordekaiser, the Iron Revenant
-15.7
Warwick, the Uncaged Wrath of Zaun
-15.7

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

Mordekaiser, the Iron Revenant
-21.7
Ekko, the Boy Who Shattered Time
-20.4
Karthus, the Deathsinger
-20.4
Milio, The Gentle Flame
-20.4
Bard, the Wandering Caretaker
-15.7
Braum, the Heart of the Freljord
-15.7
Gnar, the Missing Link
-15.7
Gwen, The Hallowed Seamstress
-15.7
Lee Sin, the Blind Monk
-15.7
Lissandra, the Ice Witch
-15.7
Samira, the Desert Rose
-15.7
Lucian, the Purifier
-11.5
Ivern, the Green Father
-9.0
Maokai, the Twisted Treant
-9.0
Rek'Sai, the Void Burrower
-9.0
Heimerdinger, the Revered Inventor
-6.1
Morgana, the Fallen
-6.1
Twitch, the Plague Rat
-6.1

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

Kha'Zix, the Voidreaver
+24.0
Poppy, Keeper of the Hammer
+15.7
Miss Fortune, the Bounty Hunter
+11.5

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

Akshan, the Rogue Sentinel
Lillia, the Bashful Bloom
Rakan, The Charmer
Rumble, the Mechanized Menace
Varus, the Arrow of Retribution
Wukong, the Monkey King
Zoe, the Aspect of Twilight
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