Alphinaud asks you to join him in meeting the Admiral in Limsa Lominsa to discuss plans to rescue Raubahn.
This quest is available if you have completed the quest Disclosure, and have reached level 51.
Starting the Quest
Talk to Alphinaud in Fortemps Manor in Ishgard to begin the quest.
Speak with Zanthael
Go to Limsa Lominsa and go east from the Limsa Lominsa Aetheryte Plaza to where the orange arrow is pointing in the minimap. Talk to Zanthael and say Yes to proceed to the bridge. 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 the Doman Contact
Go to Revenant's Toll in Mor Dhona. The destination is north of the Mor Dhona Aetheryte, on the second floor. Go through the northernmost doors on the second floor and talk to Higiri to complete the quest.
Next Main Scenario Quest
After you complete the quest, talk to Higiri to accept the next quest: In Search of Raubahn.