While technically alive, magnagogs have little in the way of personality and are driven via telepathic command.
Most folk would call an argillomatus a clay golem. They would be wrong.
A culture believes that souls are recycled. One child gets half of a soul, another child gets the other half. However, this means that with each passing generation, the amount of soul in the child will become less and less (Through division)until their culture will die in the future because of their soulless offspring.