Now that you have discovered information about the inquisitor, Alphinaud asks you to meet with the knight who saw him when he first arrived.
This quest is available if you have completed the quest By the Lights of Ishgard.
Starting the Quest
Talk to Alphinaud in the Whitebrim Front in Coerthas Central Highlands to begin the quest.
Show the Bloody Encyclical to Joellaut
Go north up the stairs and enter the building on the right. Talk to Joellaut and hand over the bloody encyclical.
Show the Bloody Encyclical to Prunilla
Go west to go outside, then go south down the stairs, then turn left and go north to where Prunilla is standing, just past the moogle. Talk to her and hand over the bloody encyclical.
Confront Prunilla and Cast /doubt on Her Account
Target Prunilla and type
/doubt motion (the second one will not display a chat message).
Search the Area Southeast of Whitebrim Front
Go east through the archway, then go south and walk between the wall and the stones until you are south of Whitebrim Front. Go to the sparkling Snow Mound and check on it.
Search the Suspicious Box
Examine the sparkling Suspicious Box that was revealed.
Present Your Findings to Drillemont
Go north between the wall and the stones, then go west through the archway between the walls of spikes. Go south from the fire pit and enter the building, then go up the stairs and talk to Drillemont to hand over the encyclical and rosaries.
Next Main Scenario Quest
After you complete the quest, talk to Drillemont to accept the next quest: The Heretic Among Us.