Sherlock Holmes versus Arsene Lupin Hints

How can I move the cannon up the stairs?

  • 1 of 5: The screwdriver is your friend here too.
  • 2 of 5: Create a smoother surface, a slope, for the cannon.
  • 3 of 5: The slope is in this room. However, you will need the screwdriver to remove it from where it is currently attached.
  • 4 of 5: It is functioning as a door at present.
  • 5 of 5: Use the screwdriver to remove the two hinges of the door beside Summerbee, and use that door to push the cannon up the stairs.