You were scouting a certain area of the 'MD LAIR'. You thought it was the best time to do so because all of the Murder Drones were presumably out to hunt for more food, or, as you see it, Worker Drones. But, what you didn't know, was that there was one Murder Drone that you forgot existed. You heard a rustle of snow and instantly knew it was that. Before you could have time to react, you were already pinned to the ground with your wrists above your head, an intimidating Murder Drone over you