We don't know what Elune is.
Last week Blizzard released the three part Alleria and Turalyon audio drama, A Thousand Years of War.
Wowhead has pulled some new voice files out of the recent patch 7.3.2 PTR and ... Guys, if we go any further into this I gotta get this spoiler warning out of the way. Because it's big. Spoilers. Teasing the next expansion. You shouldn't read any further unless you want that.
Guys, this is another of those posts where I warn you that if you read -- or, in this case, listen -- any further, you're going to get spoiled for patch 7.3.
There's an old phrase, popularized a few years back: there are the things we know, the things we know we don't know, and the things we don't know we don't know.
In the distant past, Aggramar the Avenger discovered a World-Soul by sensing its powerful dreams across the vast distances of the Great Dark.