I'm just fascinated by the Beledar's symbolism, seen throughout Khaz Algar.
- The Beledar itself, as it exists in-game, seems to have circles around its "blast site" on the cieling. Circles with lines reaching from them towards the Beledar.
- Looking at the giant crystal, there are obviously patterns within its walls. These are hard to interpret, although they look vaguely Naaru or angelic. But if you look close enough it almost looks like something Beledar-shaped being ejected from a circle down into an abyss. The circle could of course be the worldsoul, but it might also be something celestial, like the sun or moon.
- Xal'atath's cloak on her back seems to have this same imagery. She has a chain with a circle on it, and then a purple crystal hangs from it, reaching a pattern at the bottom of her cloak that looks eerily similar to the pattern on the Beledar.
- The banner of the Arathi people of Hallowfall seems oddly similar to all of the above as well. Theirs obviously develop the theme by making it look a bit like a torch carrying the sacred flame, but if you think about it this is also a sort of circle with a line shooting from it to somewhere below. Turn their weapon upside down and it basically looks like the circles pointing towards the Beledar, on the ceiling of Hallowfall. Their belts, especially, look a bit like a crystal falling down from a radiant circle above into an abyss below. This one looks almost identical to Xal'atath's cloak. Just look at these swords, and how the circle ejects a crystal from it.
The big question that remains is simply this: is the Beledar truly something that was ejected from the worldsoul, which all of this art could be interpreted as, or did it fall from a celestial circle (perhaps the sun) above Azeroth?
The other question is whether it was originally Voidy as depicted on Xal'atath's cloak and the mural in Azj-Kahet, or if it was corrupted to become Voidy for a while (or if it's even part of its natural cycle).
For me, it is more fitting if it fell from the sun, An'she, because the concept of "holy fire" and "light" just fits the sun way better than the worldsoul imo. I'm not ruling either scenario out though, but I do think the Titan story
could be intentionally misleading about this part, to cover up the fact that the Light was already here way before them, and that they shut it away inside Hallowfall while they did their own thing with the Manifold instead.
Update:
Just to extrapolate a bit more, it does make a lot of sense if the Sun played a major role in upcoming lore.
> First of all because it is closely tied to the Moon (symbolising Elune) but hasn't seen a lot of lore thus far.
> Second because we're going to be defending the Sunwell, which could add another layer to it.
> Third because the name of the expansion is Midnight, which is when the sunlight is furthest away from us.
> Fourth because the High Elves of Quel'thalas in general like the sun, in contrast with their Night Elven kin. The decline of their civilization and turning into Blood Elves almost represented the fading of the sunlight, when the
Sunstrider dynasty and the
Sun Kinggave way to something else.
Shadows appear in the fading of Light, which is described in Chronicles Vol. 1 but is also just a general fact we are constantly reminded of down in Khaz Algar, from the Kobols and their candles to the Arathi and their Lamplighters. 11.1.5's "Nightfall" just further emphasises this, as the danger likely returns with the fading light of the Beledar.
When the Sun shines on Azeroth, it is the literal Light protecting us from harm. For the Shadow to fully take over, this requires the absence of this protecting Light.
The Earth Mother allegory told by the Tauren for generations speak of the Earth Mother plucking out her own eyes to create the sun (An'she) and moon (Mu'sha) as she rested, after having shaped the land. They would protect Azeroth in her stead. I'm not sure if the Earth Mother is meant to symbolise Eonar, Elune, the Worldsoul, or somebody else. But it probably does carry some truth about Azeroth's origins and how the Sun and Moon came to watch over it.
Moonlight is obviously reflected sunlight, so even when the moon is up, it doesn't actually cause any darkness or any other weird shenanigans (unless there's an eclipse).