Thanks to the flying ability, in this chapter you can find many chests, letters and items.
You find the first note at the very beginning of the chapter. You only have to fly to the left and you will find your collectible.
To find the chest, you have to come back to the location that you have been to in chapter 2. Once you cross the door that you left through, fly up. Open the passage with Igniculus, by pressing the button.
Fly down from Rubella's house, then left and sly into the forest. Follow the path and you will spot a house similar to that of your new character's. Enter to find a chest and HP Stardust. The former is on the left side of the location and the other on the right. Watch out for spikes. They deal damage to you.
Fly left of Rubella's house and you will reach a platform with two houses. In the one on the right, you will find a chest.
Jump off the platform with houses. Below, on the left, there is another chest.
Fly up and go left. There, you will find the item. Smash it with Igniculus.
Fly down, to the left. The next crate is there.
After you have obtained the previous chest, go right. This one is guarded by a spider.
Return to the two houses to the left of Rubella's house. From there, fly left. You will find another platform with two locked houses. The chest is in the middle of the platform.
Fly down for the next item. On the left, in the forest, there is the chest, guarded by a spider.
To obtain the next chest, go back to chapter 2's starting point. Starting from the carriage, fly left. There is the chest there, guarded by s spider.
You will find the next chest in the cave that you have seen in the first location. If you fly left of the carriage, you will find a chest guarded by a wolf.
There is another one right next to the first puzzle. Fly onto the platform to the right of the tree.
For this one, you have to pass by the waterfall and enter the cave. On top, on the left, there is a chest. Use Igniculus to light up the path.
Right next to the starting point, there is Defence Stardust. Go right of the starting point. As soon as you spot a crack, lower yourself and fly to the right.
Over the crack, to the right, there is another chest.
If you have jumped over the crack and followed the path to the right, you have reached a cave. Inside, there was a wolf guarding a chest.
As you go right of the starting point, you will find a chest on a branch. It is being guarded by a spider.
Fly left of the spot where Aurora woke up. The chest is there.
Above the spot where you have killed the second boss, there is another note. Fly up high to catch it.
After you cross the gate, after defeating Giant Ogre, run left. At the first opportunity, fly down and then right. There, you will find another chest.
In this location, there are a number of chests. Once you enter it, fly left. You will find the Golden Gryphon that guards the item.
The next chest is to the left of the Golden Gryphon.
Fly down to the bottom, now. The chests are to the right and to the left.
After you fly up and then left, you will find another item.
Keep flying up along the corridor. There, you will find another chest guarded by Golden Gryphon.
On the very top, there are two chests.
Inside this one, there is Rough Ruby
To leave here, fly down to the very bottom. There, you will find another chest guarded by a spider.
Another one is up ahead, on the tree. Slightly up and to the left.
Fly up higher and to the right. There, you will have to catch a note.