Due to the rushed making of the program, certain protocols collided and caused a few functions to become unavailable, which unfortunately even includes optics. Due to this error, and their inability to repair it, Delta Drones posess specialised audio processors at the sides of their heads that detects high frequencies which allows them to locate their surroundings with their speech and sound. When "Discord" is active, the Nanite Acid becomes blue due to the higher heat and their units use water