Behind Door Number Three ...
You pick one of the doors in a long hallway of doors and find an expansive laboratory. There are several options:
Grab the nearest box
Take the Lockbox and Run
Not really wanting to stick around in an unsafe location, you decide the best strategy is to smash and grab. So you smash the nearest box you can find, grab the contents, and run off to a more sheltered area to investigate. When you open your hand, you're more than a little disappointed with what you find.
You got an item: black flakes