After a couple minutes of repeating the sound, it worked. A few small insect-like mechanisms crawled out of the walls. "Why hello there little one!" Dominus said, even though he knew it couldn't understand him. They were capable of breeding, and worked by solar power. These small creatures had manifested themselves in colonies across the world, and seemed to pose no threat and were ignored. However, Dominus knew their true purpose. They served as little spies, recording conversations and playing them back if the correct code was given.