You use the sketches in the book to find buried relics.
It turns out Tasha’s "imaginary" stories were actually real memories of the legendary pirate Briggsy, and the book serves as a map to a hidden piece of the Shroudbreaker. 2. Horror Game Walkthroughs the nightmaretaker guide
4.2 Protocol: Nightmaretaker Re-Scripting Practice (NRP) A concise, prescriptive protocol suitable for nonclinical use (with caveats below): You use the sketches in the book to find buried relics