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Patch 26.19 - ARAM Mayhem 26.19 - High Roller Nerf and Ten Bug Fixes

Stay up to date with the latest League of Legends ARAM: Mayhem changes, including champion balance updates, augment modifications, and gameplay adjustments for each patch.

Patch 26.19 pick-rate report →

Patch 26.19 - ARAM Mayhem 26.19 - High Roller Nerf and Ten Bug Fixes

Released: September 23, 2026
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Highlights

  • High RollerHigh Roller's drop rate was reduced further. It is the only Mayhem Augment balance change in this patch.
  • Ten Mayhem bugs were fixed, including Mad ScientistMad Scientist granting +30% Attack Damage and Ability Power instead of 30% Adaptive Force, and King MeKing Me announcing debug Augment names.
  • Master YiMaster Yi's Q cooldown refund no longer scales down with Ability Haste. Riot called out Mayhem and Arena as the modes that feel this change.

General Changes

Augments

High Roller's drop rate was reduced further, the only Mayhem Augment balance change in 26.19. Riot published no general economy, minion, or portal changes for the mode this patch.

Bugfixes

Ten fixes landed: Clown CollegeClown College's true damage text color, King Me's debug Augment names, Mad Scientist's stats, MultishotMultishot quest steps on NamiNami and EzrealEzreal, YuumiYuumi spamming Bilgewater Cannon effects while attached, Bursting Teeth's per-target cooldown, Bel'VethBel'Veth's Q reset with Ultimate AwakeningUltimate Awakening, item quest progress when quest Augments were re-added, Vel'KozVel'Koz's W refund with Skilled SniperSkilled Sniper, and negative life steal after Upgrade Ravenous was removed.

Augment Changes

High Roller

  • •Drop Rate: Further reduced.

Champion Balance Changes

  • AbilityQ - Alpha Strike cooldown refund on hit: -1 second, scaling down with Ability Haste => 1 second. Riot called out Mayhem and Arena as the modes that feel this change.

Bug Fixes

  • Fixed Clown College using the wrong text color for true damage.
  • Fixed King Me announcing debug Augment names, including HellbentHellbent, OverloadedOverloaded, Surge FieldSurge Field, and Spirit BombSpirit Bomb.
  • Fixed Mad Scientist granting both +30% Attack Damage and Ability Power instead of 30% Adaptive Force.
  • Fixed Multishot having extra quest step requirements for Nami's and Ezreal's ultimate abilities.
  • Fixed Yuumi spamming Bilgewater Cannon landing effects while attached to a unit.
  • Fixed Bursting Teeth failing to trigger because of a per-target cooldown.
  • Fixed Bel'Veth's Q not resetting after her ultimate while she had Ultimate Awakening.
  • Fixed item quest progress breaking when quest Augment offerings were re-added.
  • Fixed Vel'Koz's W not receiving the correct refund with Skilled Sniper.
  • Fixed removing Upgrade Ravenous resulting in negative life steal on all of your items.

About ARAM: Mayhem Patch Notes

These patch notes summarize ARAM: Mayhem-related changes. We extract and highlight updates including champion adjustments, augments changes, and gameplay tweaks.

Each patch can shift the meta. Check the latest tier list and builds to stay ahead on the Howling Abyss.

Source: Official League of Legends Patch Notes from leagueoflegends.com