This page explains how to complete the level 90 post-Endwalker quest "Lunar Rendezvous".
Requirements
This quest is available if you have completed the quest Bonds of Trust.
Starting the Quest
Talk to Urianger in Garlemald to begin the quest. There will be a cutscene.
Speak with Urianger in Sinus Lacrimarum
You can either teleport to Sinus Lacrimarum, or you can go to the northwest corner of Garlemald, go into the building, and check on the Nethergate to reach Sinus Lacrimarum. Go to the quest icon and talk to Urianger to proceed. There will be a cutscene.
Speak with Y'shtola
Go northeast to where the orange arrow is pointing in the minimap and talk to Y'shtola.
Speak with Livingway
You can either teleport to Bestways Burrow, or you can go north to where the orange arrow is pointing in the minimap. Talk to Livingway to proceed.
Wait at the Designated Location
Go northeast to where the orange arrow is pointing in the minimap. Check on the Destination to proceed. There will be a cutscene.
/rally the Lopporits
Target each of the four Lopporits and
type /rally
or
/rally motion
(the second one will not display a chat message).
Speak with Livingway Again
Talk to Livingway to complete the quest. There will be a cutscene.
Next Main Scenario Quest
After you complete the quest, talk to Urianger to accept the next quest: The Red Side of the Moon.