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Karthus splash art
Patch 26.19ARAM Mayhem · updated Oct 2, 2026

Karthus ARAM Mayhem Build and Best Augments

Karthus, the Deathsinger, is a ranged mage champion. In fights Karthus is a fragile champion who deals magic damage through sustained attacks. Here are the augments to take, the ones to skip and the items players finish with on patch 26.19.

11.8%Pick rate in Mayhem
#10Most picked of 173
+0.01Pick rate change vs last patch (pts)

Best Augments for Karthus

Top picks

Take these whenever they are offered.

  • Clown CollegePrismatic · 33.8% picked
  • Ultimate RevolutionPrismatic · 23.7% picked
  • Infinite RecursionPrismatic · 52.5% picked

Strong picks

Reliable choices for this champion.

  • EurekaPrismatic · 49.6% picked

Also good

Solid options when the cards above do not show up.

  • Glass Cannon + Clown College + Dive BomberCombo of 3 augments
  • Mind to Matter + Ocean SoulCombo of 2 augments
  • Ultimate Revolution + Clown College + Dive BomberCombo of 3 augments
  • Ultimate RevolutionCombo of 1 augments

Karthus ARAM Mayhem Build

The items Karthus players finished with most often, from 68 ARAM Mayhem games played with Hexgate in the last 60 days. Augments change what is worth buying, and so does the enemy team.

  • Shadowflamein 80.9% of games
  • Malignancein 80.9% of games
  • Liandry's Tormentin 73.5% of games
  • Rabadon's Deathcapin 63.2% of games
  • Blackfire Torchin 45.6% of games
  • Void Staffin 33.8% of games

This Is Patch 26.19. Hexgate Is Every Patch.

This page is a snapshot. Hexgate puts an S to D tier on every augment card the moment it appears, ranked for Karthus, and re-ranks your items against the enemy team, live in game, on whatever patch is out. Free, no ads, no Overwolf.

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FAQ

What are the best augments for Karthus in ARAM Mayhem?

On patch 26.19 the top picks for Karthus include Clown College, Ultimate Revolution, Infinite Recursion.

What should Karthus build in ARAM Mayhem?

The items Karthus players finish with most often are Shadowflame, Malignance, Liandry's Torment. Adapt the rest of the build to the enemy team.

More Mages in ARAM Mayhem

All champions in ARAM Mayhem · How to pick ARAM Mayhem augments · ARAM Mayhem overlays compared

Pick rates (China servers) and augment combos: arammayhem.com (CC BY 4.0), reformatted. Items: Hexgate's own ARAM Mayhem games. Hexgate is not endorsed by Riot Games.