Karthus ARAM Build - Best Guide and Runes for Karthus on Patch 16.6
March 19, 2026 • Patch 16.6 • 281 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 Spell | Win Rate | |
|---|---|---|
| Flash | 52.3% | |
| Mark | ||
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.
Karthus Spells for ARAM
The spell order for the best Karthus ARAM Build has a win rate of 54.4% and looks like this:
- Lay Waste
- Defile
- Wall of Pain
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 ARAM | Win Rate | |
|---|---|---|
| Starting Items | ||
| Health Potion | 66.7% | |
| Health Potion | ||
| Haunting Guise | ||
| Core Items | ||
| Liandry's Torment | 100% | |
| Sorcerer's Shoes | ||
| Shadowflame | ||
| Fourth Item Options | ||
| Void Staff | 83.3% | |
| Rabadon's Deathcap | 50% | |
| Fifth Item Options | ||
| Rabadon's Deathcap | 58.9% | |
| Void Staff | 66.7% | |
| Archangel's Staff | 100% | |
| Sixth Item Options | ||
| Stormsurge | 100% | |
| Void Staff | 58.8% | |
| Rylai's Crystal Scepter | 100% | |
Conclusion
Follow this build and you will succeed with Karthus on your ARAM matches.
