Karthus ARAM Build - Best Guide and Runes for Karthus on Patch 16.6

March 19, 2026281 Matches

Welcome to our Karthus ARAM Build for patch 16.6. Here you will find the most important information like spells, items, runes and summoner spells for Karthus. The data is derived from 281 matches, which are used to derive the best possible ARAM build for Karthus.

Start your Karthus ARAM Build with picking the summoner spells Flash and Mark.

Summoner SpellWin Rate
FlashFlash52.3%
MarkMark

Karthus Runes for ARAM

Pick as the primary path Domination and on the secondary path Sorcery. These Karthus runes have a win rate of 52.2%. Dark Harvest is the best keystone rune fit for Karthus on ARAM game mode. Therefore this runes combination is sometimes referred as Karthus Dark Harvest.

DominationDomination
Electrocute
Dark Harvest
Hail of Blades
Cheap Shot
Taste of Blood
Sudden Impact
Sixth Sense
Grisly Mementos
Deep Ward
Treasure Hunter
Relentless Hunter
Ultimate Hunter
SorcerySorcery
Axiom Arcanist
Manaflow Band
Nimbus Cloak
Transcendence
Celerity
Absolute Focus
Scorch
Waterwalking
Gathering Storm
Adapative Force
Attack Speed
Ability Haste
Adapative Force
Move Speed
Health Scaling
Base Health
Tenacity and Slow Resist
Health Scaling

Karthus Spells for ARAM

The spell order for the best Karthus ARAM Build has a win rate of 54.4% and looks like this:

  1. Lay Waste
  2. Defile
  3. Wall of Pain
Lay Waste
Q
1
4
5
7
9
Wall of Pain
W
2
14
15
Defile
E
3
8
10
12
13
Requiem
R
6
11

Karthus Items

For most matchups as Karthus in ARAM the listed starting items are a good fit. Then you should focus on the Karthus core items in the listed order. After you build the core items you have several further options in this Karthus ARAM Build.

Item for ARAMWin Rate
Starting Items
Health PotionHealth Potion66.7%
Health PotionHealth Potion
Haunting GuiseHaunting Guise
Core Items
Liandry's TormentLiandry's Torment100%
Sorcerer's ShoesSorcerer's Shoes
ShadowflameShadowflame
Fourth Item Options
Void StaffVoid Staff83.3%
Rabadon's DeathcapRabadon's Deathcap50%
Fifth Item Options
Rabadon's DeathcapRabadon's Deathcap58.9%
Void StaffVoid Staff66.7%
Archangel's StaffArchangel's Staff100%
Sixth Item Options
StormsurgeStormsurge100%
Void StaffVoid Staff58.8%
Rylai's Crystal ScepterRylai's Crystal Scepter100%

Conclusion

Follow this build and you will succeed with Karthus on your ARAM matches.

Karthus ARAM Build
Summoner Spells
FlashMark
Runes
DominationDomination
Electrocute
Dark Harvest
Hail of Blades
Cheap Shot
Taste of Blood
Sudden Impact
Sixth Sense
Grisly Mementos
Deep Ward
Treasure Hunter
Relentless Hunter
Ultimate Hunter
SorcerySorcery
Axiom Arcanist
Manaflow Band
Nimbus Cloak
Transcendence
Celerity
Absolute Focus
Scorch
Waterwalking
Gathering Storm
Attack Speed
Health Scaling
Health Scaling
Spell Skill Priority
Lay Waste
Q
Defile
E
Wall of Pain
W
Starter Items
Health Potion
2
Haunting Guise
Core Items
Liandry's TormentSorcerer's ShoesShadowflame
Late Game Items
Void Staff
Rabadon's Deathcap
Stormsurge