One 5ml bottle of each of the Girl Genius scents. Put one on one wrist, one on another wrist, and yet another one on your neck--then make them fight!

(full list of scents: Jägers 1, 2,& 3, Nize Hat, Madboy, The Baron, Nuremburg Pudding Incident, Pirate Queen (on duty), and Pirate Queen (off duty))