You are to return to the Rising Stones to make your report to Minfilia.
Requirements
This quest is available if you have completed the quest The Wyrm's Roar.
Starting the Quest
Talk to Alphinaud in the Intercessory at Camp Dragonhead in Coerthas Central Highlands to begin the quest. You can enter the Intercessory by talking to the House Fortemps Guard behind the southeast building.
Speak with Minfilia
Go outside and go southwest to reach Mor Dhona, or just teleport there. Go south from the Mor Dhona aetheryte and enter the Rising Stones. Talk to Minfilia to complete the quest. There will be a cutscene.
Next Main Scenario Quest
After you complete the quest, talk to Minfilia to accept the next quest: Volunteer Dragonslayers. There will be a cutscene.