Sherlock Holmes versus Arsene Lupin Hints

How can I clean the Latin inscription?

  • 1 of 4: In order to clean things, we must sometimes make them far dirtier.
  • 2 of 4: The key color of this particular chapter of the story seems to be black -- so find something dirty of that color.
  • 3 of 4: You will find some coal in the fireplace of the weapons room -- take a piece.
  • 4 of 4: Rub this onto the inscription, and it will become somewhat clearer.