In the Weapon Lab you can create powerful Prototype Defense structures that will help to shield your base from the evil Blackguard!
They are in an experimental state though which means that they self-destruct after a certain amount of time!
Each Prototype Defense has 3 upgrade levels, each with a different duration:
If you come to your home base and your Prototype Weapon is gone - it most likely had a loose screw and blew up.
You can see for how long your Prototype will be active by tapping on it.
Tap the button below