There are nine art scrolls and two wishful birds in Chapter 9. Collecting these items will unlock achievements later. The game has nine chapters, and in each chapter, there are a certain number of art scrolls and wishful birds.
Chapter 9 Collection Guide
Complete collection of Chapter 9: 9 art scrolls, 2 unexpected birds
Accidental Bird 9
After your partner opens the bridge for you to cross, on the left side of the same room
Art Scroll 42
"A complete dead end" right side
Art Scroll 43
After getting the Tilt Badge, on the right hand side
Art Scroll 44
After passing the 2D laser level, you can see the northernmost part of the beetle level in the cutscene. Ignore the plot road signs and move forward to the end
Art Scroll 45
After returning to the table, pass the greeting card, cut down the tree on the lower left and go to the end
Art Scroll 46
In the word puzzle level, carry "Broken" to the bust and destroy it to obtain it (obtained at the same time as the achievement Bust Terminator)
Art Scroll 47
Purchase it from the merchant for 10 currency
Art Scroll 48
In the pipe level, blow up the stone above the pipe
Art Scroll 49
Purchase it with 10 currency from the merchant (note that this is the last merchant in this game, be sure to purchase all skills here to unlock the achievement)
Art Scroll 50
After learning about Humgramp’s past, the tree on the far right in front of the tower
Accidental Bird 10
Enter the large room with a sweeping monk on the right side of the room