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“The presence of that armor plate is disorienting, but we need to find out all we can from it. It could be part of one of Valduran’s schemes. He’s dedicated an extraordinary amount of effort to mining, refining, smithing, and testing this metal. To the east, along the northern mountain face, is a building called Mimir’s Workshop.
It hasn’t been used in quite some time, but if we’re lucky, some of its attendants are still functional. Take your armor plate there and learn what you can from it.”
-Bruor Ironbane
Take the Dark Armor Plate to Mimir’s Workshop and ask Attendant Tock to examine it. When you’re finished, return to Bruor Ironbane at Bouldercrag’s Refuge.

You will receive:
Upon completion of this quest you will gain:
Quest Giver: Bruor Ironbane — Bouldercrag’s Refuge, Storm Peaks [31, 38]
Objective: Take the Dark Armor Plate to Mimir’s Workshop and ask Attendant Tock to examine it. Then return to Bruor Ironbane at Bouldercrag’s Refuge.
Quick Facts
Walkthrough
Efficiency Tips
Lore & Context
Tock’s analysis is the key revelation in the Bouldercrag chain. His readout identifies the plate as an alloy of saronite and iron, with the ore originating from deep within Azeroth’s crust.
The saronite is “nearly pure,” and Tock’s systems conclude it could only have been created by “a powerful, malevolent force.” That force is the Old God Yogg-Saron, whose crystallized blood is saronite.
Critically, when Tock attempts to access his databanks for more information, he’s blocked: “Access denied. Further information can only be accessed from the archives within Ulduar, by order of Keeper Loken.” This is a direct sign of how thoroughly Loken has locked down titan systems.
Even a remote workshop attendant has been cut off from knowledge that might expose the corruption.
Tock’s final conclusion: the plate’s size, thickness, and bolt holes indicate armor for “a colossal structure.” When you relay this to Bruor, he connects the dots: Valduran’s master (Loken) has provided this sinister metal to build a giant weapon for the final assault on the earthen. This foreshadows the Iron Colossus, the chain’s final boss.
Mimir’s Workshop was built by Keeper Mimiron, whose friends call him “Mimir.” The workshop hasn’t been used in some time, and most of its mechagnome attendants lie deactivated. Mimiron himself was betrayed by Loken, who arranged a “lab accident” to kill him.
Mimiron’s followers saved his spirit and placed it in a mechagnome body, and he eventually became a boss encounter in the Ulduar raid.
Easter Egg
Explore the Storm Peaks’ hidden easter eggs, lore mysteries, and connections across Warcraft history in Vikstone’s Storm Peaks Chronicles, along with the complete quest storyline.
Vikstone's War Journal“The presence of that armor plate is disorienting, but we need to find out all we can from it,” Bruor said. “It could be part of one of Valduran’s schemes. He’s dedicated an extraordinary amount of effort to mining, refining, smithing, and testing this metal. To the east, along the northern mountain face, is a building called Mimir’s Workshop. It hasn’t been used in quite some time, but if we’re lucky, some of its attendants are still functional. Take your armor plate there and learn what you can from it.”

Mimir’s Workshop.
Days ago I stood in a slave mine and told a mechagnome it was free, and it answered that Keeper Mimir’s work awaits, and went out through the mouth of that mine at a good pace. I did not tell it that I had stood in Mimir’s temple with a databank in my hands and heard a machine report the watcher no longer present.
I went up the northern face expecting an empty building.
“Greetings. This is the workshop of Keeper Mimir.”
Attendant Tock. Small, mechanical, working, and still introducing the place in the present tense on behalf of a man who has been gone.
So the one out of the mine had somewhere to go after all. I have been wrong about a great deal in these mountains.
“I found this strange armor plate. Can you tell me more about it?”
“Metallic specimen of foreign origin detected. Beginning analysis…”
He climbed up onto the anvil to work, which took him three attempts.
“Specimen identified as an alloy of saronite and iron. The ore used in this sample originated deep within the crust of Azeroth and was recently unearthed. The saronite in this sample is nearly pure. Ores like this do not occur naturally on the surface of Azeroth.”
Saronite.
“This ore can only have been created by a powerful, malevolent force. Attempting to access databanks for more information…”
Then he stopped.
“Access denied?!”
He tried it again and got the same answer, and I could hear him trying.
“Further information can only be accessed from the archives within Ulduar, by order of Keeper Loken.”
His forge is still running. His army is still coming out of it. And his standing orders are still keeping one of Mimir’s own attendants out of Mimir’s own records.
“But one thing is for certain: this plate’s size, thickness, and bolt holes point to a use as armor for a colossal structure.” He got down off the anvil. “Directive completed. Returning to standby mode.”
Then he walked back to where he had been standing and stopped.
Bruor listened to the whole of it without once interrupting.
“So Valduran’s master has given him this sinister metal to construct a giant weapon? That must be what he intends to use for the final strike against us! We need to stop him before he’s able to complete it and unleash this weapon.”
Loken had sealed the archives against his own attendant and left the earthen to guess at what was being built, and guessing was over now, because the one who commanded the forges answered to a name and that name was Valduran the Stormborn.