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Pacifiers - Faction/Clan/Organization/Group - Uses knowledge of purpose to subdue, pacify, and destroy foes - ???
"I wish that the robots realize how pointless their fighting... has become."
Among the broken world, there were broken robots. Those broken robots fought each others for reasons they have forgotten.
The robot's weaponry turned more and more insane, with greater malicious intent, after every re-engineering.
....