This page explains how to complete the Shadowbringers Main Scenario Quest "Reassuring the Masses".
This quest is available if you have completed the quest Extinguishing the Last Light.
Starting the Quest
Talk to the Manager of Suites in the Crystarium to begin the quest.
Speak with Bragi
Go northwest through the archway to the Aethernet Shard, and use it to go to the Musica Universalis Markets. Go to the quest icon on the map and talk to Bragi to proceed.
Speak with Chessamile
Go back to the Aethernet Shard and use it to go to the Dossal Gate, then go northwest to where the orange arrow is pointing in the minimap. Talk to Chessamile to proceed.
Speak with Moren
Go southeast through an archway to the outside, then go south to the stairs, and go west up them to the Aetheryte Plaza. Use the Aetheryte to go to the Cabinet of Curiosity. Go north through the door and go up the spiral staircase. Talk to Moren to proceed.
Speak with Katliss
Go back down the spiral staircase, then go south through the door. Use the Aethernet Shard to go to the Crystalline Mean. Go to the quest icon on the map and talk to Katliss to complete the quest. There will be a cutscene.
Next Main Scenario Quest
After you complete the quest, talk to Katliss to accept the next quest: In His Garden.