The Messenger Hints

Where is the saltpetre?

  • 1 of 6: Look in the St. Louis Room.
  • 2 of 6: Examine the walls.
  • 3 of 6: One wall looks a bit different -- whiter than the others.
  • 4 of 6: The white substance on the wall is saltpetre.
  • 5 of 6: You'll need to scrape some off.
  • 6 of 6: Use the diamond knife.