18.16 so far nemo says he can kill sirus anytime wont show him how to drive the sub but sirus has the gun with probably 5 bullets in as it is a colt shoot nemo in the leg then shoot him in both arms tie him to a chair wait for the other three to get there get joanna to tend to nemos wounds after all he is armless nemo sits with a gun to his head while he instructs how to steer and navigate the submarine if i was sirus nemo would be laying down bleeding but not dead They escape the island and hand nemo to the british for execution. Job done.