Javel_Bernardo made this beautiful step by step walkthrough about all of Unveileds secrets to obtain 102%.

It is written in Portuguese. (English Translation potentially coming at a later time)

You can find it here: https://drive.google.com/file/d/1yGJnN_k7f-sZQwZQE8nU9VfGzANdzwzG/view

Thanks a lot to Javel and the rest of the BR community for making these things possible! You guys are amazing.