        He also wondered if the horns that many of them were sporting were not actually some kind of mind-controlled weapon.  He had seen a golden spark from the horn of the big one, which seemed to have been a way of protecting the smaller unicorn.  There were already thought-controlled prosthetics, so there was no reason to believe that the technology couldn’t be pushed further.  Perhaps the soldiers with horns could shoot rays out of them or something; that would explain why the one had pointed its horn at him.