You can find Duct Tape in the Desert Plain.
Silencer can be obtained by ???
Cable can be obtained by ???
Max. level
Glass Cube can be obtained by ???
Battery can be obtained by ???
Laser Block can be obtained by ???
Max. level
Night monsters don't give up easily.
Simply turn it on.
Just turn it on after upgrading the main generator.
It's more useful than loot boxes.