After obtaining this accessory, use the rope on the right to return to the opposite side, which is where we jumped down from earlier.
Climb out over the tree roots and head right.
Enter through this circular door.
Keep moving forward, slide down the rope ahead, defeat the enemies, and then head left.
There's a resource chest near the red thread on the left.
After picking it up, head right. The puppet to the left of this disc has Dust on it.
Go down the stairs on the right. There's a new save point here; make sure to save.
After saving, pick up the book on the left titled "Past Events of Dream Manor #4: Abandoned Martial Training".
