The lotus part of the drone setup was the main unit while the six lotus seeds served as subunits. Though it had decent battery life, it was a bit poorer in terms of fine control and remote distance. The main unit, however, could serve as a signal repeater to allow the subunits to fly farther and scout out more locations on top of serving as a charging dock for the subunits, extending surveillance time.0

An Jing used five subunits, one for each of the exits at the second, third and fourth floors, leaving two flanking him. The main unit, on the other hand, was scouting out the second floor in greater detail. The final subunit flew close to the ground quietly towards the exit on the top f...0