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“The large hall at the top of Dun Argol houses the power source for the entire area. If you can destroy the power core, it will cripple Dun Argol for some time. No power means no golems, no sentries, and no more lightning armaments. When we were sent up here, they told us these explosives were for excavation, but thanks to Iron Thane Furyhammer, the research has been scrapped. We may as well get some use out of them, though.
They’re the only thing we have on hand capable of destroying the power core.”
-Raegar Breakbrow
Use Raegar’s Explosives to destroy the Runic Power Core at Dun Argol, then report to Raegar Breakbrow at Prospector’s Point.
Provided item:

You will be able to choose one of these rewards:
Upon completion of this quest you will gain:
Quest Giver: Raegar Breakbrow — Prospector’s Point, Grizzly Hills [77, 49]
Objective: Use Raegar’s Explosives to destroy the Dun Argol Power Core in the basement of the main building at Dun Argol, then return to Raegar Breakbrow.
Quick Facts
Walkthrough
Overseer Disguise Route (Recommended)
Critical Warning: Roof Hole Death Trap
Critical Warning: Elevator Golem Bug
Efficiency Tips
Easter Egg
Lore Context
The explosives Raegar provides were originally issued to the Explorers’ League team for archaeological excavation work. Since Iron Thane Furyhammer’s aggression has ended any hope of peaceful research, Raegar repurposes them for sabotage.
Destroying the power core cripples Dun Argol’s infrastructure: no power means no more war golems, no lightning sentries, and no runic armaments. Combined with Iron Thane Furyhammer’s death in the companion quest, this represents the complete dismantling of Dun Argol as an iron dwarf military threat.
Explore Grizzly Hills’ hidden easter eggs, lore mysteries, and connections across Warcraft history in Vikstone’s Grizzly Hills Chronicles, along with the complete quest storyline.
Vikstone's War JournalRaegar parted with the explosives reluctantly. He clearly would have preferred to use them himself. “The large hall at the top of Dun Argol houses the power source for the entire area. Destroy the core, and it cripples everything. No power means no golems, no sentries, no more lightning armaments.” He shrugged. “They told us these explosives were for excavation. Research has been scrapped. May as well get some use out of them.”

Excavation explosives repurposed for sabotage. The Explorers’ League remained resourceful.
The Runic Power Core was at Dun Argol’s center, feeding energy through the fortress like blood through veins. Every construct, every sentry, every crackling weapon drew from this single source. Without it, Dun Argol became nothing but empty halls and dead metal.
With Furyhammer dead and the iron dwarves in disarray, reaching the core proved simpler than expected. I placed Raegar’s charges with care, stepped back, and watched the fuse burn.
The explosion shook the mountain. The core’s death cry echoed through stone halls as lights flickered and died. Machinery ground to silence. Iron dwarves scattered in the sudden darkness, their carefully ordered world starved of power in an instant.
Raegar nodded when I returned. “I can’t stand to see explosives go to waste, and it’ll set our enemies back for sure.”
Dun Argol was broken. Between the stolen golem, the dead thane, and the destroyed power core, the Explorers’ League had accomplished more damage than a full military campaign.
Dun Argol is dark, its thane dead and its forges cold. But Raegar’s prospectors are still locked up somewhere inside those walls, and they need finding in The Captive Prospectors.