User blog comment:KillRoy231/The death in Hell's Angel/@comment-26513012-20160404001251/@comment-34326521-20160404093009

The bit regarding speculation was a general statement; it doesn't apply to you.

My guess is they're setting up the Empty to be Amara's new prison. It (the Empty) has been referenced a few times, and "Nothing comes back from the Empty" is often stated when it is referenced.