Timeless Message

From: Bartholomew
Description: You have offered me reasons to give up on revenge, and I want to answer you with honesty. I have actually remembered what was in the lady’s safe, but we need to open it. Perhaps I can create a ghostly key from my memories. Could you bring me some artifacts so that I can do so?
Completed: Thank you for your help in opening the safe. This mechanical capsule can only be opened by de Levelier’s true heir. Inside, there’s a letter from the child’s parents that tells of a certain family secret. My primary duty was to pass this capsule on to the child, but...