Star Trek tech, huge Borg-like space station  
http://images4.wikia.nocookie.net/__cb20100620054504/borgcollective/images/8/87/Unicomplex2.jpg
the humans live forever through cloning, cybernetics and mind transfers
souls too weak to awaken on their own, teleporters hurt Eidolons (add Aether after TP?)


NPC – "former" Eidolon, weakened by life in this realm
NPC – puppetmaster Eidolon