We could bring the dead back. If psychics can hear them, we could channel what they say and give them bodies. They could live in the system, just a little less density or their bodies may not seem as dense or whatever. But, it is possible. They don't choose that, because they are not free either. 

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In the system I see, they don't know all of this, either. They come out and are controlled. But, there is a bigger system outside a layer where you can sort of win over these god elements.