Venomous Abyss Raid Hotfixes Now Live - Patch 12.1.5 Hotfixes for November 6

Blizzard has posted hotfixes for Patch 12.1.5, which includes all The Venomous Abyss hotfixes now being live!.

November 6, 2026.

Dungeons and Raids.

The Venomous Abyss.

Vashnik, the Malignant.

Malignance damage reduced by 37% on Mythic difficulty.

Malignance damage over time duration reduced to 16 seconds on Mythic difficulty.

Adjusted the health scaling on the following enemies on Raid Finder, Normal, and Heroic difficulties to better account for smaller raid sizes. Their base health has also been reduced on these difficulties to ensure the health scaling does not increase their health with larger raid sizes.

Blightscale Rawling.

Blightscale Viper.

Blightscale Shrieker.

Weakened Doomscale.

Ula’tek health reduced by 15% on Heroic difficulty. Unchecked Rage damage reduced by 61% on all difficulties. Caustic Waves impact damage reduced by 32% on Heroic and Mythic difficulties. Caustic Waves damage over time reduced by 75% on Normal, 61% on Heroic, and 89% on Mythic difficulties. Malice damage reduced by 63% on Normal and Heroic difficulty, and 45% on Mythic difficulty. Virulent Spit damage reduced by 46% on Raid Finder, 33% on Normal and Heroic, and 36% on Mythic difficulties. Falling Debris damage reduced by 46% on Raid Finder, 33% on Normal and Heroic, and 77% on Mythic difficulties. Viscous Echoes impact damage reduced by 53% and damage over time reduced by 25% on all difficulties. Reduced the number of eggs summoned by Call of the Serpent on Normal and Heroic difficulty. Reduced the number of targets selected by Serpent’s Bite on all difficulties. Reduced the number of targets selected by Grasping Fangs on Normal and Heroic difficulty. Removed 2 eggs from each side during Phase 2, reducing the total to 8 eggs per side on Heroic difficulty. Ula’tek no longer generates additional Caustic Waves from Spectral Tails when sending walls of waves across the platforms during Phase 3 on Heroic difficulty. Noxious Splash initial damage reduced by 33% and damage over time reduced by 84% on Mythic difficulty. Putrid Membrane duration reduced to 20 seconds (was 30 seconds) on Mythic difficulty.