This page explains how to complete the level 83 Endwalker quest "His Park Materials".
This quest is available if you have completed the quest Personae non Gratae, and have reached level 83.
Starting the Quest
Talk to Jullus in Garlemald to begin the quest.
Speak with Alisaie
Go north to exit the station. When you are outside, go northwest. Go up the ramp in the south or east wall to reach the quest icon on the map. Talk to Alisaie to proceed. There will be a cutscene.
Search for Ceruleum
Go to the southwest edge of the orange circle on the map and check on the sparkling Shop Counter.
Go up the southwest ramp in the park and check on the sparkling Map of Forum Solius. While you are here, you can attune to the Aether Current south of the signpost.
Go to the center of the orange circle on the map and check on the sparkling Warmachina Wreckage.
Go to the northwest part of the orange circle on the map and check on the sparkling Children's Slide.
Speak with Jullus
Go east to the quest icon on the map and talk to Jullus to proceed. There will be a cutscene.
Search for Ceruleum at the Designated Location
Check on the northeast Point of Interest. There will be a cutscene.
Deliver the Temperature Regulator
Go to the quest icon and talk to Jullus to hand over the Temperature Regulator Ceruleum Tank and complete the quest. There will be a cutscene.
Next Main Scenario Quest
After you complete the quest, talk to Jullus to accept the next quest: No Good Deed.