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“The goblins got lucky and found a new energy. They call it infra-green, and I’ll be a one-eyed ogre if those psychos didn’t strike green gold. Go find Kibli Killohertz. He’s leading the reverse engineering efforts of infra-green, at a small, hidden Alliance airport above Aldur’thar, the Desolation Gate. I’ll give you infra-green vision to help you find it.
Go to the dome with our Alliance banners — if you fly near the Horde airport then you’ll be in a load of green trouble.”
-Chief Engineer Boltwrench
Chief Engineer Boltwrench wants you to find Kibli Killohertz at the hidden Alliance airport above Aldur’thar, the Desolation Gate.

You will be able to choose one of these rewards:
You will also receive:
Upon completion of this quest you will gain:
Quest Giver (Alliance): Chief Engineer Boltwrench — The Skybreaker, Icecrown (lowest deck, prow)
Quest Giver (Horde): Chief Engineer Copperclaw — Orgrim’s Hammer, Icecrown
Turn In (Alliance): Kibli Killohertz — Hidden Alliance airport above Aldur’thar [54.0, 42.9]
Objective: Find Kibli Killohertz at the hidden Alliance airport above Aldur’thar, the Desolation Gate.
Quick Facts
Walkthrough
Efficiency Tips
Lore Context
Boltwrench admits the goblins “got lucky” discovering infra-green energy but can’t bring himself to give them proper credit, calling them “psychos” and “neanderthals” in the same breath he acknowledges their breakthrough.
The entire Aldur’thar tech chain is built on reverse-engineering stolen goblin technology, which Boltwrench frames as barely worth a gnome’s time despite being critical to the war effort.
The hidden airports are a clever piece of world design. Both factions have established secret forward bases directly on top of the Scourge’s own gate, using cloaking technology to hide in plain sight.
Explore Icecrown’s hidden easter eggs, lore mysteries, and connections across Warcraft history in Vikstone’s Icecrown Chronicles, along with the complete quest storyline.
Vikstone's War Journal“The goblins got lucky and found a new energy,” Boltwrench said. “They call it infra-green, and I’ll be a one-eyed ogre if those psychos didn’t strike green gold. Go find Kibli Killohertz. He’s leading the reverse engineering efforts of infra-green, at a small, hidden Alliance airport above Aldur’thar, the Desolation Gate. I’ll give you infra-green vision to help you find it. Go to the dome with our Alliance banners. If you fly near the Horde airport then you’ll be in a load of green trouble.”

Eight days ago this man told me no goblin alive could cook up anything a gnome could not recreate in his sleep. There is now an entire airport devoted to the question.
He did something to my eyes that I would rather he had explained first, and the world came back with a green cast to it, and the dome showed up from a long way out.
Aldur’thar is a Cult of the Damned position. The gate is theirs, the towers are theirs, and there are two airfields on top of it. Ours is on the southern tower. The Horde’s is on the northern one. You could put a decent bowshot between them.
Both of them are hidden.
I hovered off the southern dome for a while looking at the northern one, close enough to make out the shape of their banner in all that green, and I thought about Bartlett and his war on two fronts, and about whether anybody in the cult below has looked up lately.
Then I went in and found Killohertz, who did not ask who I was.
“Yes, yes, yes! A thousand times, hello!”
He had scorch marks on his face that were newer than his eyebrows. Whatever infra-green is, they are getting closer to it.
Killohertz had the energy source working and no way to deliver it, which is the point at which gnomish engineering stops being theoretical and someone has to go stand where the charge lands in Leading the Charge.