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Karthus S

Karthus

the Deathsinger

Mage
Tier S pick in ARAM: Mayhem
Augment Combos for Karthus View all combos →
Best Augments for Karthus
Prismatic
Tier + appearance rate
Void Rift
Void Rift
Damaging an enemy champion with an ability summons a Void Scar at the location they were damaged for 6 seconds. If another Void Scar is summoned within 1250 units, through the same condition, both Void Scars are consumed to create a rift to the void between them over 0.6 seconds. Enemies within the rift are dealt 75 to 350 (+ 4.5 per 1 Lethality) (+ 4.5 per 1 flat magic penetration) magic damage and slowed by 99% decaying over 1 second.
Eureka
Eureka
Gain ability haste equal to 30% AP.
Jeweled Gauntlet
Jeweled Gauntlet
Your abilities can now critically strike for (145% + bonus critical damage) damage. Additionally, gain 25% (+ 4.5% per 100 AP) critical strike chance.

If both Jeweled Gauntlet and Vulnerability are equipped, only rolls the critical strike chance of the augment that has the higher critical damage (or either if equal).
Infinite Recursion
Infinite Recursion
Gain 60 ability haste, increased by 3 each time you score a champion takedown.
Quest: Wooglet's Witchcap
Quest: Wooglet's Witchcap
Gain a Needlessly Large Rod.

Quest: Obtain Rabadon's Deathcap and Zhonya's Hourglass.

Reward: Upon completing your Quest, convert the items you obtained for the quest into Wooglet's Witchcap.
Infernal Conduit
Infernal Conduit
Your ability hits against champions apply a Burn for 5 seconds that deals1.2 to 12 (+ 2.8% bonus AD) (+ 1.2% AP) bonus magic damage per second(1 second cooldown per cast instance). This Burn stacks infinitely and refreshes with each application.

Additionally, all of your Burn effects reduce the cooldowns of all your basic abilities by 0.08 seconds for each tick of damage they deal to a target.
Gold
Tier + appearance rate
Phenomenal Evil
Phenomenal Evil
Gain Phenomenal Evil Power.

Phenomenal Evil Power: Generate a permanent stack of Phenomenal Evil each time you damage an enemy champion with ability damage. This effect cannot trigger more than once every second globally and once every 3 seconds from the same cast instance. For each stack, gain 1 ability power.

If this is your second augment, start with 40 Phenomenal Evil stacks, granting you 40 ability power.
Magic Missile
Magic Missile
Dealing damage to an enemy champion with an ability within 1000 units fires 3 missiles at them that each deal true damage equal to 0.33...% of the target's maximum health, increased to up to 1% based on distance travelled. This effect can only trigger once every 6 seconds from the same cast.
It's Killing Time
It's Killing Time
Upon casting your ultimate ability, you apply Death Mark to all enemy champions (8 second cooldown). The mark stores 40% of all post-mitigation damage you deal to the affected target, detonating after 5 seconds to deal true damage equal to the damage stored against them.
Grandma's Chili Oil
Grandma's Chili Oil
Inflicting an enemy champion with a Burn effect releases a chili sphere from the target, landing to a location near them after 0.5 seconds (3 second cooldown per target). Upon landing, a pool of Chili Oil is created at the impact area with a radius of 175 units, lasting for 5 seconds. While you are within the pool, heal for 60 to 150 upon entering and each second of the pool's lifetime thereafter. While enemies are within the pool, they are dealt 100 magic damage every second.

For each unique Burn effect source that you have, up to 10, increase the pool's size by 40 units, its healing per tick by 50, and its damage per tick by 60 magic damage.
Overflow
Overflow
Your abilities' mana costs are doubled, but you also gain 10% (+ 0.5% per 100 maximum mana) increased damage as well as self and outgoing healing and shielding.
From Beginning To End
From Beginning To End
Gain the Dark Harvest and First Strike keystone runes.
ARAM Balance Adjustments
Damage Dealt: -7%

These are ARAM-specific balance adjustments applied by Riot Games to maintain game balance on the Howling Abyss.

Skill Priority

Data date: 20260413

Q>E>W Pick Rate: 38.08% Win Rate: 52.30%
Q W E Q Q R Q E Q E R E E W W Pick Rate: 13.06% Win Rate: 52.37%
E W Q Q Q R Q E Q E R E E W W Pick Rate: 1.80% Win Rate: 52.18%
Q W E Q Q R Q W Q E R E E E W Pick Rate: 1.37% Win Rate: 52.24%
Q>W>E Pick Rate: 24.77% Win Rate: 52.16%
Q W E Q Q R Q W Q W R W W E E Pick Rate: 9.00% Win Rate: 52.13%
Q W E Q Q R Q E Q W R W W W E Pick Rate: 1.08% Win Rate: 52.01%
Q W E Q Q R Q W Q W R E W W E Pick Rate: 0.90% Win Rate: 52.07%
E>Q>W Pick Rate: 15.04% Win Rate: 52.59%
Q W E E E R E Q E Q R Q Q W W Pick Rate: 5.38% Win Rate: 52.70%
E W Q E E R E Q E Q R Q Q W W Pick Rate: 0.75% Win Rate: 53.01%
Q W E Q E R E E E Q R Q Q W W Pick Rate: 0.62% Win Rate: 52.55%
Starting Items
Shadowflame Shadowflame
Pick Rate: 78.86% Win Rate: 52.97%
Liandry's Torment Liandry's Torment
Pick Rate: 72.95% Win Rate: 54.33%
Rabadon's Deathcap Rabadon's Deathcap
Pick Rate: 66.99% Win Rate: 52.03%
Malignance Malignance
Pick Rate: 58.23% Win Rate: 51.17%
Blackfire Torch Blackfire Torch
Pick Rate: 56.23% Win Rate: 55.11%
Core Builds
Blackfire Torch Blackfire Torch
Liandry's Torment Liandry's Torment
Shadowflame Shadowflame
Pick Rate: 14.94% Win Rate: 57.08%
Malignance Malignance
Liandry's Torment Liandry's Torment
Shadowflame Shadowflame
Pick Rate: 7.39% Win Rate: 52.47%
Malignance Malignance
Shadowflame Shadowflame
Rabadon's Deathcap Rabadon's Deathcap
Pick Rate: 6.05% Win Rate: 48.77%
Blackfire Torch Blackfire Torch
Liandry's Torment Liandry's Torment
Rylai's Crystal Scepter Rylai's Crystal Scepter
Pick Rate: 3.43% Win Rate: 56.42%
Malignance Malignance
Liandry's Torment Liandry's Torment
Blackfire Torch Blackfire Torch
Pick Rate: 2.69% Win Rate: 53.65%
Recent Stats Changes

Recent Snapshots

20260413_215021 Patch: 26.7 S ✨ Augment changed: Prismatic
Rank: 14 Win: 53.16% Pick: 8.37%
Rank Δ: 0 Win Rate Δ: +0.29% Pick Rate Δ: +0.15%

Prismatic +Snowball Roulette -Clown College

20260331_133953 Patch: 26.7 S
Rank: 14 Win: 52.87% Pick: 8.22%
Rank Δ: 0 Win Rate Δ: 0.00% Pick Rate Δ: +0.01%
20260330_224141 Patch: 26.5 S ✨ Augment changed: Gold, Silver
Rank: 14 Win: 52.87% Pick: 8.21%
Rank Δ: ↑ +4 Win Rate Δ: +0.20% Pick Rate Δ: +0.10%

Gold +Vulnerability -Donation

Silver +Mind to Matter -Self Destruct

20260320_185118 Patch: 26.5 S
Rank: 18 Win: 52.67% Pick: 8.11%
Rank Δ: ↓ -3 Win Rate Δ: +0.62% Pick Rate Δ: -0.90%
20260314_172554 Patch: 26.5 S ✨ Augment changed: Gold
Rank: 15 Win: 52.05% Pick: 9.01%
Rank Δ: ↑ +6 Win Rate Δ: +0.38% Pick Rate Δ: -0.23%

Gold +Donation -Spiritual Purification

20260307_191131 Patch: 26.5 S
Rank: 21 Win: 51.67% Pick: 9.24%
Rank Δ: ↑ +7 Win Rate Δ: +0.18% Pick Rate Δ: +1.23%

Community Submitted Combos

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