Sympathetic to Ga Bu's plea, you hurry to divest the kobolds of their aether crystals.
Requirements
This quest is available if you have completed the quest Unlikely Allies.
Starting the Quest
Talk to Ga Bu in Outer La Noscea to begin the quest.
Speak with Ga Bu
Go east to the quest icon on the map and talk to Ga Bu.
Secure the Cache of Crystals
Check on the sparkling Cache of Crystals to proceed.
Secure the Second Cache of Crystals
Go north to where the orange arrow is pointing in the minimap and check on the sparkling Cache of Crystals. There will be a cutscene.
Survey the Area for the Third Cache
Go north to the quest icon on the map and check on the sparkling Destination. There will be a cutscene.
Give the Crystals to Alphinaud
Talk to Alphinaud to hand over the Caches of Crystals.
Follow Ga Bu and Alisaie
Go north into the cave. Take the following route to reach the quest icon on the map:
At the quest icon, talk to Alisaie. There will be a cutscene. This one is important, so it is recommended to watch it either now or via the Unending Journey in an inn room.
Speak with Alphinaud
Talk to Alphinaud to proceed.
The Navel (Hard)
Use the Duty Finder to enter The Navel (Hard). Please see the The Navel (Hard) Guide for a walkthrough.
Speak with Alphinaud Again
Go to Camp Overlook, either by teleporting there or by taking the reverse of the route shown in the image above, then going southwest to where the orange arrow is pointing in the minimap. Talk to Alphinaud to complete the quest. There will be a cutscene.