Sector

From the moment they entered Cybertron, Tomare and Kilowog had sensed an aura that made them deeply uncomfortable. The feeling was subtle and inexplicable, enough to make one think it was an illusion. Kilowog was broad-minded and did not take the feeling seriously, but Tomare had kept it in mind from the start. "Optimus Prime, have you begun researching the Emotional Spectrum?" Tomare asked bluntly. Optimus Prime paused, then nodded. "We began studying it several years ago.