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 desperate 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 surviv...