I think. He will have a way of coming back to realms, if you wreck enough havoc with your choices maybe? A lot of encounters that are dribbled in EA seem to be odd; because the people are shadow people that don't completely remember their memories and their time is warped,
I think each of your companions will turn out to be a reincarnation or avatar of god/s and the player character could represents Mystra, but it could also continue being convoluded and we will see a lot of ties with our character's "needs" and past of some evil gods.
The big villain is the voice in your head, whoever that is.
Vampiric illithid DM *coughs*
“There is only one thing we say to Death: Not today.”
