User blog comment:Dragon´s Blade/World Coexistence Alliance/@comment-24965182-20141014140338/@comment-24376783-20141014152648

(Actually, if the host of a Darkness dies permanently and the Darkness can't reconstruct the body, they are sent to a private purgatory of sorts created by that host's Darkness. It's not connected to the other realms, so there's no way to get to it.)