The capital of Cybertron under the control of the Maximals, the city of Cybertropolis was home to ten million Transformers before Megatron launched his transformation virus and was taken over by the Vehicons Master of the House It was built upon the ruins of Iacon City, the former capital city and base of operations during the war for the Autobots, during the great upgrade from Autobot to maximal. Sparkwar Part 2: The Search