Invisible Reader Achievement
Reveal the contents of the secret note inside Amaro's library.
The secret note is on the table to the left in the library.
Reveal the contents of the note:
- Chemical dropper - It is on the right side of the desk in the study.
- After picking up the chemical dropper, complete the decoding puzzle.
- Sap - In the plant area, use the chemical dropper on the tree that is leaking sap to collect some.
- Use the sap on the black parchment in the library to reveal the text.
- ACHIEVEMENT UNLOCKED!