Okay, that sounded like Shrev Palpatine at the end. Not good...!
Apparently, it IS him based on some of what I've heard... Though that came through a you tuber blogger, so...
OOOOOHHHH.
Sith Lords haunt their tombs.
The Death Star II is Palpatine's Tomb.
That was Endore, with remnants of the Death Star.
Raye is going to learn about the Dark Side from one of the most powerful masters in recent memory.