There's Dust inside the house on the left.
There's a wooden plank nearby that you can climb. Once you're up, you can collect a piece of Dust.
There's also a purple item on the roof across from us.
Let's head toward the center of the map, where we can see a wrecked ship. There's a resource chest in the middle of the ship, and next to it is a barely noticeable book. After looting the chest, follow the arrow to the red box on the right.
Come over and pick up this book [Mystery of the Holy Mother #6: Fragment of the Illusionist's Notes].
