Mimiron, the Mastermind

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Mimiron, the Mastermind is a legendary rogue minion card, from the TITANS set.

How to get

Card packsThe Regular version can be opened from any of these packs:

Rogue Pack
Badlands Catch-Up
Whizbang's Workshop Catch-up
Regular1 (random)
Card packsThe Golden and Signature versions can be opened from any of these packs:

Rogue Pack
Golden Standard
1 (random)
CraftingCraft a Regular copy for 1600 Dust.pngRegular1
CraftingCraft a Golden copy for 3200 Dust.pngGolden1
RunComplete an Arena run.Regular1 (random)

Previous availability

Mimiron, the Mastermind used to be obtainable through these means.

Bundle Buy the Signature Mimiron Bundle in the Shop from February 20, 2024 until March 5, 2024 for $49.99 or 5000 Runestone.pngRunestones.Signature 1

Related cards

TTN 920t5.png
TTN 920t10.png
TTN 920t6.png
TTN 920t8.png
TTN 920t9.png
TTN 920t7.png


This message only appears if you turn on AdvancedEditor gadget on and valid data exist in Template:CustomAchievement table.
AchievementPin Gameplay.pngTITANS - SVG logo.svgGameplay - Titans - RogueGadgets and Gizmos AplentyPlay all 6 of Mimiron's Gadgets.20 Achievement Point.png


  • ▶️ VO_TTN_920_Male_Mechagnome_Play_01.wav Mechanical host exceeds expectations by 1000%!
  • ▶️ TTN_920_MimirontheMastermind_Stinger.wav <music stinger>
  • ▶️ ClunkyMechSmall_Play_Underlay.wav <underlay sound>
  • ▶️ VO_TTN_920_Male_Mechagnome_Attack_01.wav Outplayed!
  • ▶️ ClunkyMechSmall_Attack_Underlay.wav <underlay sound>
  • ▶️ VO_TTN_920_Male_Mechagnome_Death_01.wav <death sound>
  • ▶️ ClunkyMechSmall_Death_Underlay.wav <underlay sound>


Warcraft Wiki icon.pngThis section uses content from the Warcraft Wiki.
Mimiron (called Mimir by his friends) is one of the keepers. He once resided at the Temple of Invention, but left after being corrupted by Loken and Yogg-Saron. It is said that his mechanical servants appear to have turned against each other and that several attendants have been piled together in an unorganized manner. The remaining mechagnome guardians were corrupted by an unknown source.
Mimiron is one of the Keepers created by the Pantheon to lead the titan-forged armies against the forces of the Old Gods. He was given power by  Norgannon. He and Loken battled and defeated  Neptulon the Tidehunter.
After Loken was manipulated by Yogg-Saron and accidentally killed  Sif, the wife of Thorim, he was desperate to keep it a secret. Loken arranged for Mimiron's death, making it look like a lab accident, but Mimiron's mechagnome followers saved his spirit and created a mechagnome body for Mimiron to inhabit. He has not been completely sane since.
In ancient times, Mimiron discovered a mineral named kaja'mite and, attempting to determinate its properties, he experimented on various races. He found that the ore was extremely potent and that it increased the intellect of his subjects. One of these subjects was a small primitive life race that roamed around the forests near Ulduar. By consuming kaja'mite, they were transformed into a new, highly intelligent race known as the goblins.
Titanstrike, a gun Mimiron had created for his companion Thorim long ago, was at some point stolen from Ulduar and brought to Shield's Rest on the Broken Isles. During the invasion of the Burning Legion, the gun was stolen again by a vrykul woman named Prustaga, who intended to retrieve the Thunderspark within and gain the power of the Titans. Mimiron worked with Thorim, a hunter hero, and Grif Wildheart (who Mimiron mistook for his old friend  Brann Bronzebeard) to retrieve the artifact from Prustaga. He later sent his projection into Highmountain.
Mimiron appeared as an Image of Mimiron for hunter adventurers during the Fourth War. He suggested that Hati might still be alive, based on data he's gathered. When the adventurer reached Mimiron, he told them that Hati's essence had managed to escape before destruction and was not actually lost. Mimiron proceeded to locate Hati. He found that Hati's essence had been split in two; one half to be found in Silithus and the other at the Temple of Storms. Soon after, the split essences of Hati were retrieved and absorbed into the Thunderspark thanks to the adventurer. Mimiron had the relic brought back to his workshop where he managed to fuse the essences together, and Hati was reborn.
After the escape of N'Zoth from the Last Prison,  Magni Bronzebeard had MOTHER check the status of the titan forges from the Chamber of Heart to see where the Old God might strike. When Ulduar was checked, Mimiron terminated the communication; Magni believed his work had likely been interrupted by the call and the keeper had 'hung up the line' in annoyance.



Patch changes

  • TTN Logo.pngPatch (2023-07-25):
    • Added.
    • 2023-08-04: Fixed a bug where Mimiron’s Cloakfield (generated by Mimiron, the Mastermind) did not grant attack if used on a minion that already had Stealth.

External links