SiblingSatan
Shadowed Souls watch you in your everyday life.
Their everyday "life" has no life in it at all.
All the ghosts and shadows can do is watch life pass them by, YOUR life, while they are stuck forever in this new reality. On the outside, the Earth is a sparkling shell filled with life. In the center of it all, there is an ugly core, filled with all the atrocities of humankind. Even deeper in the core, it is dark and rotten, filled with those who either deserve to be in there or don't deserve it at all.
There is no way to leave the Otherworld. The only thing to do is sit in self-loathing and hope someone else fucks up their life worse than they did.
No shadowed soul can pass on. There is no way out of this "life".
Except...if at the time someone died and became a ghost, that someone was born in that moment.
That ghost can live again.
If they ever meet.