Lucia suggests that you talk to the people who have gathered in Falcon's Nest for the ceremony.
This quest is available if you have completed the quest This War of Ours.
Starting the Quest
Talk to Lucia in the Coerthas Western Highlands to begin the quest.
Speak with the People
Go east to the quest icon on the map and talk to Redwald.
Go northwest to the next quest icon and talk to the Lowborn Youth.
Go west to the next quest icon and talk to Rothe.
Speak with Artoirel
Go east and talk to Artoirel to complete the quest. There will be a cutscene.
Next Main Scenario Quest
After you complete the quest, talk to Emmanellain to accept the next quest: Once More, a Favor.