This article shows how to get the Blue Butterfly from the Collection Roombu solving the puzzle of the Collection Room Lock. Once you arrive at the castle walls, proceed north until you encounter a dead end. At that point, you can leap down into the narrow opening on your left to access the Collection Room.
To open the Collection Room Lock Ada need to use the IRIS View to check for footprints. To start, go back to the entrance of the room, trigger an iris view, and look at the ground carefully.
Notice how the footprints of a person go from one exhibit to 2nd exhibit and finally to the third exhibit. You have to follow the exact order to open the lock to get the Blue Butterfly item.
Note the symbols must be selected from left to right: in other words, the first exhibit is the symbol on the left, the second exhibit is the symbol in the middle, and the third exhibit is the symbol on the right side of the lock.
Here is the solution to the puzzle:
- Left symbol: Scarab/Beetle
- Middle symbol: Cow head
- Right symbol: Lizard
