The end-times have come. 

Dimensional rifts to another world have opened and spewing out are creatures from humanity's nightmares.

The Spirit Realm has implemented the System as a desparate measure to arm humanity against the incursions in an attempt to protect their once home-lands, but cannot, will not, risk coming down to Earth themselves. 

The System is a boon to humanity, finally giving them a chance at survival and even fighting back. And Ed intends to do much more than just survive...

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