Home Realm Black
I just did mission 8, "Desecration," and went to the Home Realm (going for the "Stay a While and Listen" achievement) and the play area is covered in black. Possession works fine but when I leave possession, it goes back to black. I suspect my view port is way outside of the playable area and locked in that position. Here's the save that loaded (I think): home_realm_black.zip
This is what I'm seeing:
In that case we will have to decline the ticket. Get right back to us here if it happens again and we will take another look.