WoW Midnight 12.1.5: 3 Mounts, New Adventures [2026]

WoW Midnight 12.1.5 Overview And Sept 4 Hotfixes: Trading Post Leafmimics, Black Temple Live, Venomous Abyss Wing 2, BlizzCon AWC And MDI

By Indie Kings | September 8, 2026 | Updated September 8, 2026 | 16 min read

Image: MMO-Champion / Blizzard.

World of Warcraft enters a busy September with Midnight patch 12.1.5 on PTR, a full cross game hotfix round on September 4, 2026, a friendship themed Trading Post with three Leafmimic mounts, Black Temple live in Burning Crusade Classic Anniversary, Raid Finder Wing 2 open for the Venomous Abyss, and BlizzCon 2026 set for September 12 to 13 with the Arena World Championship and Mythic Dungeon International Grand Finals. Blizzard detailed the 12.1.5 plans on worldofwarcraft.blizzard.com update notes and Blizzard news posts, while BlizzardWatch broke down Trading Post stock and outlet returns. This guide collects it all in one place with raid schedules, Tender costs, hotfix lists by game version, and what to do before BlizzCon weekend.

Table of Contents

1. 1. Midnight 12.1.5 Promise Of Tomorrow At A Glance
2. 2. Unbinding Of Kithix One Boss Raid With Lady Liadrin
3. 3. Labyrinths And Labyrinth Of Kindojan Explained
4. 4. Aqir Invasions Plus Ascendant Venomstones Power Path
5. 5. Sept 4 Hotfixes For Midnight Classes Raids Housing Items
6. 6. Sept 4 Hotfixes For MoP Classic SoD TBC Classic Era Hardcore
7. 7. September Trading Post Friendship Rewards And 3 Mounts
8. 8. Black Temple Live In BCC Anniversary With Hyjal And Arena Season 3
9. 9. Venomous Abyss Raid Finder Wing 2 Venomous Abyss Schedule
10. 10. BlizzCon Sept 12 To 13 AWC MDI Schedule Prize And Drops

1. Midnight 12.1.5 Promise Of Tomorrow At A Glance

Midnight patch 12.1.5 is titled The Promise of Tomorrow. Blizzard posted the overview on September 3, 2026 on worldofwarcraft.blizzard.com and opened PTR testing the same week. The update closes the Quelthalas and ZulAman saga that ran through Season 2 and Curse of Ulatek. No final release date is set as of September 8, 2026. Blizzard points to fall 2026 with PTR feedback shaping tuning. The feature list is compact but broad. It includes a new story campaign called The Promise of Tomorrow, a new one boss raid called The Unbinding of Kithix, a new Delve style system called Labyrinths plus the first Labyrinth of Kindojan, a zone wide outdoor event called Aqir Invasion, and a new gear upgrade currency called Ascendant Venomstones.

The story context matters for players who finished the Season 2 campaign War of Light and Shadow and Curse of Ulatek. With Ulatek defeated, bindings that held Kithix weaken. Quelthalas and ZulAman face a tenuous peace and a shared threat from aqir forces and old god remnants. The campaign brings Lady Liadrin back to the front, with Orin Straylight near the Catalyst in Silvermoon City starting the Venomstone quest chain Ancient Depths Ancient Venom. BlizzardWatch notes the patch also adds the Sporebearer Fungal Strider utility mount in datamining, plus housing updates tied to Vacation Season fixes that landed in the September 4 hotfixes.

For planning, treat 12.1.5 as a bridge patch, not a new season. It reuses Season 2 Hero and Myth gear as upgrade targets, adds one focused raid boss instead of a full tier, and tests Labyrinths as longer form Delves. If you raid Normal to Mythic now, keep upgrading weapons, trinkets and necklaces because Venomstones only work on fully upgraded Season 2 Hero, Mythic or highest quality Tidal Crafted pieces in those slots. If you play solo, save Delve and Prey progress for Labyrinth unlocks and keep Trader Tender for September outlet catch up rather than spending it all on transmog before BlizzCon reveals.

2. Unbinding Of Kithix One Boss Raid With Lady Liadrin

The Unbinding of Kithix is a single boss raid hidden beneath the Vaults of Ulatek. Lore frames Kithix as a CThraxxi general bound by the Amani long ago. With jailers dead after the Venomous Abyss, restraints fail and the weapon wakes. Players fight alongside Lady Liadrin in a focused encounter that caps the Quelthalas and ZulAman story. Blizzard describes it as a decisive confrontation, not a full eight boss tier. It follows the model of one boss story raids used to close patch arcs without resetting Great Vault or Hall of Fame progress.

What to expect in testing is a small raid space with story staging, one difficulty ladder across Raid Finder, Normal, Heroic and Mythic, and loot tuned to extend Season 2 rather than replace it. Blizzard has not published item levels for Kithix loot as of September 8. Based on Season 2 structure, expect Hero and Myth track pieces that feed the Venomstone upgrade path for weapons, trinkets and necklaces. Achievements will likely include Normal clear, Hero clear, Mythic clear and Cutting Edge style timing before the next raid tier, mirroring Ulatek achievements listed in the Venomous Abyss posts.

Practical prep is simple. Finish the Curse of Ulatek campaign so The Darkwell and related phasing behave, a point Blizzard fixed in September 3 hotfixes. Keep a Catalyst charge free in case Kithix tier pieces interact with set conversion the way Coiled Altar and Ulatek raid armor did in late August fixes. Melee should watch nameplate and aura fixes from September 2 and September 4 notes, including Bladestorm nameplate display and Revenge nameplate shift fixes on Ulatek, because one boss arenas often reuse those targeting rules. Ranged should keep interrupt layouts ready since Coiled Altar tuning shows Blizzard still adjusts cast times and soak counts for small groups.

3. Labyrinths And Labyrinth Of Kindojan Explained

Labyrinths are the new evergreen style activity in 12.1.5. If Delves are 10 to 15 minute runs, Labyrinths are longer multi stage delves meant to be completed over time with progression, unlocks and new rewards. The first is Labyrinth of Kindojan. Blizzard PTR notes invite players to explore, give feedback on forums, and test pacing. Wowhead and Icy Veins coverage describes dedicated progression systems and powerful unlocks, closer to a mega dungeon that saves progress than to a single sitting Delve.

Design details from the overview point to Delve tech reused with new maps. Expect Bountiful style tiers, Tier 11 Bountiful Delves mentioned as a Venomstone source, companion and follower support, and affix style modifiers. Blizzard fixed several Delve issues in late August that preview Labyrinth QA needs, including Mislaid Curiosities spawn in The Darkway Eggsplosive Growth, Undergraduates spawn in Infiltrator Garand, Gnok Ejecting Decay while moving, Valeera experience from curiosities, and Oddball Ingredient carry limits. Those fixes reduce soft locks and spawn bugs that would hurt a longer Labyrinth run more than a short Delve.

For solo and duo players, Labyrinths are the main reason to stay subscribed between Season 2 farm and 12.1.5 launch. Level a follower, bank Delve keys and curiosities, and clear Tier 11 Bountiful Delves now to learn routes. When Labyrinth of Kindojan lands, run it on PTR first if you can, note checkpoint rules, and report tuning on official forums as Blizzard requested. Rewards will likely include transmog, mounts like the datamined Fungal Strider utility mount, and Champion gear chests from Nightmare Prey Hunts that also drop Venomstones at endgame.

4. Aqir Invasions Plus Ascendant Venomstones Power Path

Aqir Invasions are the new outdoor event for Eversong or ZulAman. Every hour, for ten minutes, champions chain public events across the zone then face a boss fight. Each invasion uses six scenario types, with three combat focused and three non combat focused, plus eight possible affixes on combat scenarios. Rewards scale with objectives completed before the ten minute window closes. The loop favors grouping, fast travel, and area of effect builds. It also feeds story beats about aqir forces pressing Quelthalas after Ulatek falls.

Ascendant Venomstones are the power chase. They replace Season 1 Ascendant Voidcores. Start by talking to Orin Straylight near the Catalyst in Silvermoon City for the quest Ancient Depths Ancient Venom. After research time, Venomstones drop from every Heroic or Mythic raid boss, Mythic Plus keystones at plus 10 and above, Tier 11 Bountiful Delves, and Nightmare Prey Hunt Champion gear chests. Collect 10 to boost item level on a fully upgraded Season 2 Hero, Mythic or highest quality Tidal Crafted weapon, trinket or necklace. Necklaces are new in Season 2. In Season 1 only weapons and trinkets qualified.

The math shapes priorities. One upgrade costs 10 stones. Weapons, trinkets and necklaces first, armor last since armor cannot use stones. Heroic raiders get one stone per boss kill, so full clears speed the first upgrade. Mythic Plus players need plus 10 or higher, which gates lower key farmers. Delve and Prey players have a solo path through Tier 11 Bountiful Delves and Champion chests, which keeps non raiders in the power curve. Do not waste Catalyst or Vault rolls on low track weapons now if you plan to Venomstone a Hero or Myth weapon later. Save flight time by parking alts in Silvermoon and Eversong before invasions go live.

5. Sept 4 Hotfixes For Midnight Classes Raids Housing Items

Hotfixes September 4, 2026 cover World of Warcraft Midnight plus five Classic game versions. Blizzard notes some fixes apply instantly while others need realm restarts, and some need a client patch. The September 4 Midnight section is small but targeted after the large September 1 class tuning pass. For Druid Balance, Stellar Amplification can now be tracked in Cooldown Manager, and Twin Moons range now includes target combat reach so it spreads to farther targets on large enemies. For Shaman Enhancement, the Venomous Abyss 4 set bonus now correctly increases upfront Crash Lightning damage.

In the Venomous Abyss, Ulatek gets one fix. Applications of Ingested Venom no longer apply on a target affected by Serpents Bite. That cleans an overlap that punished tanks and soak groups during Mother Wrath and Venomous Heart phases. Housing gets a Vacation Season fix. Collecting a Secret Souvenir that failed to grant achievement credit is now retroactively granted on entering a housing neighborhood. Blizzard adds Taggi is sorry for the mishap. Items get two fixes. Some non set class armor that showed false Catalyst eligibility no longer shows as convertible, and Preternatural Antivenom trinket now has correct absorb cap and healing percent for healers after it healed low and capped low.

Context from September 1 to September 3 helps explain why September 4 is light. September 1 buffed Frost Death Knight single target by 15 to 20 percent on Howling Blast, Obliterate, Frost Strike and 10 percent melee, Havoc by 4 percent, Balance by 4 percent, Feral by 5 percent plus auto and Bite buffs, Beast Mastery and Survival by 7 percent, Fire by 3 percent, Frost Mage by 6 percent, Mistweaver healing by 5 percent, Windwalker by 4 percent, and many PvP tuning shifts. September 2 fixed Font of Venomous Rage channel cancel, Ulatek Soul Constrictor to 5 seconds on Mythic, Blight Vein down 25 percent on Mythic, plus Catalyst Vault fixes. September 3 fixed Spark in the Night credit in Coiled Isle Val and Naigtal, Holy Priest Renewed Vigor 2 set, Restoration Shaman Oversurge, Ruby Life Pools entrance NPC, Ulatek Caustic Waves lava swim skip, and Darkwell phasing. September 4 polishes what those larger passes missed.

6. Sept 4 Hotfixes For MoP Classic SoD TBC Classic Era Hardcore

The September 4 post header lists Mists of Pandaria Classic, Season of Discovery, Burning Crusade Classic, WoW Classic Era and Hardcore alongside Midnight. Blizzard did not publish new line items for those versions under the September 4 date in the text snapshot as of September 8, which is normal for rolling hotfix blogs where Classic entries appear under their own dates or as realm restart notes. The header still matters because it confirms coverage scope for the week Black Temple launched and MDI and AWC prep closed. Players on Classic should read the September 4 page as the hub and check September 1 to September 3 Classic rows and realm restart banners in game for attunement, loot and PvP vendor behavior.

What Classic players should watch this week is attunement enforcement. On September 1, Kaivax posted that a Black Temple attunement bug let some players enter without the full chain. The fix lands with scheduled weekly maintenance on September 8 in US regions. After that, the full quest chain is required, un attuned players lose access even if they zoned in before, and alts unlock account wide only after logging a character with the full chain done. If you raid BCC Anniversary this week, finish attunement on a main before reset, log each alt once through the chain holder, and keep Shadowmoon Valley quest items until the fix is confirmed live.

For MoP Classic, Season of Discovery, Era and Hardcore, use the same triage as retail. Check vendors and set bonuses first, then raid lockouts, then quest phasing. The August hotfix pattern shows Classic fixes often target XP toggle NPC workarounds, quest credit, and dungeon tuning rather than large class reworks. If a Classic fix needs a client patch, it will not appear mid week as a hotfix and will wait for maintenance. Log out in a capital city before September 8 maintenance to get clean realm restart application, and screenshot attunement quest logs in case support needs proof after enforcement.

7. September Trading Post Friendship Rewards And 3 Mounts

September Trading Post theme is friendship, tied to BlizzCon 2026. The bonus reward is the Crested Ember Leafmimic mount, earned by filling the Traveler Log bar in the Adventure Guide with Shift J. Its text reads as a sturdy leafmimic found only in warm areas with red scales for heated alcoves. The shop sells two more Leafmimic variants for 500 Trader Tender each. Crested Aqua Leafmimic and Crested Verdant Leafmimic bring the month total to three Leafmimic mounts, one free from the log and two paid. BlizzardWatch counts four mounts in stock including returns, with full mount and pet list confirmed on worldofwarcraft.blizzard.com.

Full September stock from Blizzard posts is clear. Ornery Breezestrider mount costs 325 Tender. Crested Aqua Leafmimic costs 500 Tender. Crested Verdant Leafmimic costs 500 Tender. Cinder Plumed Highland Gryphon costs 650 Tender. Gummi pet costs 250 Tender and arrives on Trading Post for the first time after a prior promo. Five Bracelets of Friendship cost 50 Tender each for wrist transmog, including Dragons Eye Diamond, Moonstone, Moss Agate, Souldarite and Star Ruby variants. Tender income is 500 free from Collectors Cache on September 1 plus up to 500 from Traveler Log activities, for 1000 per month. Tender does not expire and freezing holds an item for next month.

The BlizzCon outlet is the bigger story. Vendors in Dornogal Foregrounds and Silvermoon City sell over 300 returning items at 30 to 75 percent discounts, plus prior monthly bonus rewards through Supplier Filmore at higher prices. Supplier Pezy sells returning mounts pets and toys, Supplier Wooshy and Toro sell wearables and style sets. Highlights include X-53 Touring Rocket at 100 Tender, Savage Blue Battle Turtle at 300 Tender, Kor kron Warsaber at 300 Tender, Celestial Steed and Spectral Gryphon lines at 500 Tender, Eve Ghastly Rider Depthstalker and Plunderlord Golden Crocolisk at 600 Tender, Crusty Crawler at 700 Tender, Quawks at 750 Tender, Bones of Bloodhunter at 800 Tender, Crests of Kingdom backs at 850 Tender, and Ashadar Harbinger of Dawn at 900 Tender. Prioritize a freeze on a 800 plus item before September 30 if you cannot afford it now.

8. Black Temple Live In BCC Anniversary With Hyjal And Arena Season 3

Black Temple is now live in Burning Crusade Classic Anniversary Edition. Global launch was August 27 at 3 pm PDT and 11 pm BST. Illidan Stormrage holds the temple in Shadowmoon Valley with nine boss encounters. Order is High Warlord Najentus, Supremus, Shade of Akama, Teron Gorefiend, Gurtogg Bloodboil, Reliquary of Souls, Mother Shahraz, Illidari Council and Illidan Stormrage. Reputation is Ashtongue Deathsworn. Level is 70. Blizzard pairs the launch with Battle for Mount Hyjal with Archimonde as final boss, plus Scale of Sands reputation, Netherwing daily hub in Shadowmoon Valley with Netherdrake mount path, Arena Season 3 with new rewards and Outland quartermaster gear, and Epic Gems for gear enhancement.

Attunement is required. Blizzard links an attunement guide and, after the September 1 bug post, confirms full chain enforcement on September 8 weekly maintenance. Until then some players could enter early due to the bug. After the fix, entry needs the full chain, alts need a main login to unlock account access, and un attuned characters lose access even if they cleared trash. Arena Season 2 ended the week of August 16 at 10 pm local time before regional reset. Season 3 vendors sit in Shattrath and Nagrand. Epic Gems raise best in slot ceilings, so farm Hyjal and Black Temple trash and dailies for gold and mats before prices settle.

Raid planning tips are straightforward. Bring AshtongueDeathsworn reputation items, stock shadow and fire protection where your guild uses them, and assign interrupt and banish style roles for Council and Reliquary. Netherwing dailies compete for time with raid logging, so do them early for mount progress and Epic Gem gold. PvP players should spend old season points before vendors roll and check rating needs for Season 3 weapons. If you play both retail and Classic, do Black Temple lockouts before BlizzCon weekend because AWC and MDI streams plus retail Wing 4 launch on September 8 will split guild attendance.

9. Venomous Abyss Raid Finder Wing 2 Venomous Abyss Schedule

The Venomous Abyss is the eight boss Midnight Season 2 raid in the Vaults of AtalUtek on the Coiled Isle. Bosses are Nekzali the Soulcoiler, Entombed Sentinels, Vashnik the Malignant, The Lost Explorers, Sszorak, The Twin Fangs with Vexhul and Ithraz, The Coiled Altar with Zuljan and Malacrass influence, and Ulatek. Required level is 90. Raid Finder minimum item level is 273. Location ways point to the raid entrance at 47.2 21.7 in the Vaults, with outer gates at Serpent Eye, Eastern Fang and Western Fang. Story Mode follows Dungeon follower rules with assistance toggle.

Raid Finder wings unlock weekly. Week of August 18 opened Normal Heroic Mythic plus Raid Finder Wing 1 The Soulcoilers with Nekzali and Twin Fangs. Week of August 25 opened Story Mode plus Raid Finder Wing 2 The Essence of Venom with Entombed Sentinels and Vashnik the Malignant. Week of September 1 opened Raid Finder Wing 3 The Serpent Warren with Lost Explorers and Sszorak. Week of September 8 opens Raid Finder Wing 4 The Tomb of Ulatek with Coiled Altar and Ulatek. The user requested focus is Wing 2, which is live as of September 8 and pairs golem guards corrupted by venom with Vashnik distilling toxins in the Chamber of Virulence.

Tuning favors pugs now. September 1 hotfixes cut Nekzali health 15 percent on Raid Finder, Entombed Sentinel Breath and Blood health 15 percent on Raid Finder, Twin Fangs Vexhul and Ithraz health 20 percent on Raid Finder with Eternal Venom capped at 50 percent max health damage, and many Coiled Altar soak counts down to 3 players on Raid Finder Normal and Heroic. August 27 cut Vashnik Siphoning Infection and Siphon Blood damage 33 percent on Raid Finder and eased healing reduction. Queue Wing 2 first if you need Essence of Ulatek achievement credit for Nekzali Sentinels and Vashnik, then Wing 3 for Beasts credit, then Wing 4 for final Ulatek credit when it opens with reset. Check Adventure Journal Shift J for loot and abilities before queueing.

10. BlizzCon Sept 12 To 13 AWC MDI Schedule Prize And Drops

BlizzCon 2026 runs September 12 to 13 with WoW esports back on stage for the first time since 2019. The Arena World Championship and Mythic Dungeon International Grand Finals share a 600,000 dollar combined prize pool. MDI runs September 12 starting 12:45 pm PDT and 9:45 pm CEST with four top teams in single elimination best of 3 and best of 5 Grand Finals on Season 2 dungeon maps and tougher keystones. AWC runs September 13 starting 10:45 am PDT and 7:45 pm CEST with six teams in single elimination best of 5 and best of 7 Grand Finals, with cross region matches across Europe North America and China. Full WoW schedule also lists Whats Next panels, art and design deep dives, Hardcore Whats Next, and community night.

Where to watch is broad. Official World of Warcraft Twitch and YouTube carry both days, plus live costreams from BlizzCon halls for the first time. Listed MDI costreamers include Zerator for French, Kimuh for German, Maximum Megasett and Hopeful for English. Listed AWC costreamers include Kimuh, Pikaboo, Absterge and Xaryu. Blizzard published a 2026 Costreaming Form for watch parties. In person viewing is from the BlizzCon Stage. Expect Opening Ceremony at 10:30 am PDT on September 12, MDI matches for Dignitas vs Big Lucky and Liquid vs Mandatory in early brackets, then championship late day, with AWC brackets for F Tier vs Guild Bean, Streamerzone vs One Lun Travel, Echo and Gators Back slots, then championship late September 13 before closing remarks and trophy ceremony.

Drops reward watching. Watch eligible World of Warcraft streams on Twitch from September 12 at 9:30 am PDT to September 27 at 10 am PDT or YouTube from September 12 at 9:30 am PDT to September 13 at 7 pm PDT to earn 200 Trader Tender, Cuddly Blue Grrgle housing decor, Fluffy Comfy Flying Quilt mount, and Venomous Champions Illustrious Banner. Hours tracked include 2 hours for Tender and up to 12 hours for the banner, based on Wowhead schedule posts. Link Twitch and Battle net, claim in drops inventory, and check the WoW Weekly post for eligibility by region. Plan raid lockouts and Trading Post freezes around stream hours so you do not miss Wing 4 opening week while watching finals.

Comparison Tables

Table 1: Venomous Abyss Release Schedule Season 2

Table 2: September 2026 Trading Post Key Mounts And Costs

Sources: worldofwarcraft.blizzard.com content update notes and hotfixes September 4 2026, Blizzard news BlizzCon and Trading Post posts August 24 to September 4 2026, BlizzardWatch Trading Post September 2026 breakdown.

FAQ: Six Answers On 12.1.5 Trading Post Black Temple RF And BlizzCon

When does Midnight 12.1.5 release?
No final date as of September 8 2026. Blizzard opened PTR on September 3 with Promise of Tomorrow campaign, Unbinding of Kithix, Labyrinths, Aqir Invasions and Venomstones. Expect fall 2026 pending feedback. Finish Season 2 upgrades now because Venomstones need fully upgraded Hero Myth or Tidal Crafted weapons trinkets or necklaces.

How do you get all three September Leafmimic mounts?
Earn Crested Ember Leafmimic free by filling Traveler Log. Buy Crested Aqua Leafmimic for 500 Tender and Crested Verdant Leafmimic for 500 Tender from Trading Post vendors in Stormwind Orgrimmar Dornogal or Silvermoon City. Total paid cost for both shop variants is 1000 Tender, equal to one full month of 500 free plus 500 earned.

Is Black Temple attunement required in BCC Anniversary?
Yes. Full chain is required after September 8 maintenance. Early entry was a bug. After the fix un attuned characters lose access and alts need a main with full chain logged once for account unlock. Complete the chain before reset week if you plan to raid Illidan and Archimonde content.

What is Raid Finder Wing 2 and what ilvl do you need?
Wing 2 is Essence of Venom with Entombed Sentinels and Vashnik the Malignant. It opened week of August 25 alongside Story Mode. Minimum item level is 273. It counts toward Essence of Ulatek achievement with Wing 1. Queue Wing 2 before Wing 3 Serpent Warren and Wing 4 Tomb of Ulatek on September 8.

How to watch AWC and MDI at BlizzCon and earn drops?
Watch on World of Warcraft Twitch or YouTube September 12 to 13. MDI starts September 12 at 12:45 pm PDT. AWC starts September 13 at 10:45 am PDT. Combined prize is 600000 dollars. Drops include 200 Tender, Grrgle decor, Flying Quilt mount and Illustrious Banner for watch hours through September 27 on Twitch.

Do hotfixes need realm restarts or client patches?
Some apply instantly, some need scheduled realm restarts, some need client patches. September 4 Midnight fixes for Balance Druid Enhancement Shaman Ulatek housing and Antivenom are hotfixes. September 8 BCC attunement fix needs maintenance. If a fix is missing after logging, relog, enter housing neighborhood for retroactive credit, or wait for weekly reset.

Related reading: Check worldofwarcraft.blizzard.com for 12.1.5 PTR notes, September Trading Post outlet list, and hotfixes hub. See BlizzardWatch for September Trading Post transmog galleries and outlet vendor maps in Dornogal and Silvermoon City.