Sherlock Holmes versus Arsene Lupin Hints

How can I prepare the cannon to let me into the Jewel Room?

  • 1 of 3: At this point, Smith will be waiting for you at the top of the wooden stairs to the arsenal at the White Tower.
  • 2 of 3: Let yourself in.
  • 3 of 3: You will need to find the right ammunition for the cannon, and you will also need to find a way to move it into place.