The Roseburrow Prototype is exhibited on a pedestal in a special room and can be viewed from the main room. To enter the room the prototype is in, one must enter it from the other side. If the alarm is not deactivated, security mechanisms shut down the room once the device has been lifted from its pedestal, alerting a nearby witch.
The shopkeeper of the nearby black market store at Cyria Gardens is keen on obtaining the device. Should Emily Kaldwin or Corvo Attano enter the store, the owner will ask the protagonist to obtain it for him. If they do so, he will use it to draw up a blueprint that allows the protagonist access to the Masterwork upgrades for their crossbow.