You arrive at the Duergar Mountains with Korutt and the Crystal Exarch.
Requirements
This quest is available if you have completed the quest A-Digging We Will Go.
Starting the Quest
Talk to Korutt in Kholusia to begin the quest.
Speak with the Crystal Exarch
Go east into the cave. Ignore the first tunnel on the left and go north through the second tunnel. Go to the quest icon on the map and talk to the Crystal Exarch to proceed. There will be a cutscene.
Speak with the Crystal Exarch Again
Talk to the Crystal Exarch to get the Transparent status. If you take too long, go back to the ❕ exclamation mark and talk to the Crystal Exarch to get the Transparent status again.
Go east to the orange circle on the map.
Go just west of the center of the orange circle and examine or target the Gogg Dwarf and use the Dream Powder on them from the Key Items section of your inventory, or you can target them and use the icon to the right of the quest name in your list of active quests.
Go to the southeast part of the orange circle to find another Gogg Dwarf, then go to the northeast part of the orange circle to find the final Gogg Dwarf.
Speak with the Crystal Exarch
Talk to the Crystal Exarch to complete the quest. There will be a cutscene.
Next Main Scenario Quest
After you complete the quest, talk to the Crystal Exarch to accept the next quest: Rich Veins of Hope.