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World of Warcraft Hotfixes: October 13, 2026

Official Blizzard notes

54 entries posted by Blizzard Entertainment for this date, shown in full.

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October 13, 2026

54 entries

Source Hotfixes: October 13, 2026, by Blizzard Entertainment (worldofwarcraft.blizzard.com)

Dungeons and Raids

Altar of Fangs

Instance page

Primal Serpent

  • Piercing Hiss damage reduced by 25%.
  • Piercing Hiss cooldown increased by 10%.

Ravenous Descendant

Twinfang Harrower

  • Health reduced by 6%.
  • Paralyzing Shot periodic damage reduced by 20%.
  • Paralyzing Shot duration reduced to 14 seconds (was 20 seconds).

Ritual Chieftain

  • Blood Sacrifice healing absorb reduced by 12%.

Rattling Writhe

  • Health reduced by 6%.
  • Rattle periodic damage reduced by 25%.

High Evolutionist

  • Evolve now has a more prominent visual effect during channel.

Bloodletter

Ascendant Serpent

Living Venom

  • Health reduced by 25%.
  • Venom Burst damage reduced by 50%.
  • Carrion Burst periodic damage reduced by 10%.

Zul'jan

  • Axegrinder periodic damage reduced by 15%.

Murder Row

Instance page

Zaen Bladesorrow

Boss page
  • Fire Bomb damage reduced by 33%.

Ruby Life Pools

Instance page

Earthbound Guardian

  • Earthbound’s Imprint impact damage reduced by 21%.
  • Earthbound’s Imprint periodic damage reduced by 13%.

Defier Draghar

Primalist Cinderweaver

  • Living Bomb debuff can now be dispelled and the explosion damage will not occur when dispelled.

Storm Warrior

  • Thunderous Stomp damage reduced by 18%.

High Channeler Ryvati

  • Tempest Stormshield absorb percentage of maximum health reduced to 15% (was 20%).

Melidrussa Chillworn

Boss page
  • Infused Whelp’s Cold Claws cooldown increased.

Kokia Blazehoof

  • Blazebound Firestorm health reduced by 12.5%.
  • Blazebound Firestorm’s Inferno impact damage reduced by 18%.
  • Blazebound Firestorm’s periodic damage reduced by 14%.

Temple of Sethraliss

Instance page

Static Anomaly

  • Spark Step damage reduced by 25%.

The Blinding Vale

Instance page

Sporeblight Belcher

  • Reduced health by 11%.
  • Spouting Floret periodic damage reduced by 16%.
  • Belch Sore damage reduced by 16%.
  • Reduced the number of Belch Sore projectiles per tick to 3 (was 5).

Radiant Spellsower

  • Light Bolt Volley damage reduced by 16%.

Lightwarden Ruia

  • Lightfire periodic damage reduced by 15%.
  • Pulverizing Strikes damage reduced by 12%.

Ziekket

Boss page
  • Lightspawn Lasher health reduced by 10%.
  • Lightspore Shot damage reduced by 16%.
  • Oozing Xylem damage reduced by 16%.
  • Vicious Regrowth haste and damage buff reduced to 20% (was 30%).

The Venomous Abyss

Instance page

Sszorak

Boss page
  • Increased the time for Sszorak to reach 100 rage by 5 seconds on Mythic difficulty.

The Coiled Altar

  • The initial total number of orbs that spawn during Toxic Deluge in Phase 1 reduced to 8 on Mythic difficulty (was 10).
  • The number of Virulent Mutations that spawn in Phase 1 reduced to 4 on Mythic difficulty (was 5).
  • Virulent Mutation and Mutagenic Venom radius reduced to 6 yards (was 8 yards).
  • The number of players Dreadmarch targets reduced to 3 on Mythic difficulty (was 4).
  • Manifestations of Dread now immediately display their red glow visuals to their fixated target the moment they began fixating on all difficulties.
  • Manifestations of Dread now despawn if their fixated target dies instead of re-fixating on a new player on all difficulties.
  • Increased the angle Manifestations of Dread are detected and stunned by 10 degrees on all difficulties.
  • Eternal Nightfall cast time increased by 2 seconds on all difficulties.

Voidscar Arena

Instance page

Feral Saberon

  • Savage Leap cooldown increased by 25%.

Chitigoth

  • Insidious Aura channel duration reduced to 8 seconds (was 10 seconds).

Brutal Overseer

  • Brutal Slams damage increase per slam reduced to 8% (was 10%).

Atroxus

Boss page
  • Poison Splash periodic damage reduced by 11%.
  • Toxic Aura periodic damage reduced by 20%.

Charonus

Boss page
  • Condensed Mass periodic damage reduced by 20%.

Named in these notes

Blizzard's notes for October 13, 2026 name 7 dungeons and raids and 9 bosses. Each opens its page here; the count is how many lines mention it.

Dungeons and raids (7)

Bosses (9)

The Instances and Bosses in These Notes

How this page is built

Every entry above is Blizzard Entertainment's own hotfix note, shown in full and in the order Blizzard posted it: nothing is summarised, paraphrased or added, and each date block links to the original article. The tracker reads Blizzard's official hotfix post every 30 minutes and keeps every date it has seen, so an older day stays here after it rolls off the article. Where a hotfix names a spell, item, boss, instance, zone, faction or achievement that has a page on this site, the name links to it; a name that could mean more than one record is left as plain text rather than guessed. A date with no hotfixes is simply absent.

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