Hive is from the Books of Sorrows' earlier chapters Fallen is from select grimoire, easiest one to remember is Fallen 3 [quote]We gathered to take that City and save ourselves from extinction, saying to each other, we must be a storm, a Whirlwind, a darkness, [b]for it is said that only pain may be stolen from the dark, and we can let no more be stolen from us. [/b][/quote] -Skolas, after returning from the Darkness Vex is from the Daily Mission Paradox dialogue, its 3 grimoire it gives, and a little from Quria (near the end chapters of Books of Sorrow).

That could also be meant to be more literal. As in, even they say "dark" they don't mean "Dark". Also, when Variks talks to us about Taniks for the strike, were being sent out to stop him from "stealing the dark" from the hive, so that he cannot "align them with the dark".

Maybe, but Skolas said this after returning from the darkness. He also uses the word Whirlwind, which is their name for the Darkness (the darkness that wiped out their civilization was Savathun).

From what I've read (from similar posts to this) the Whirlwind was literally a giant whirlwind, created from the traveler taking a speedy hike.

The Books of Sorrow describe the Hive destorying the Ammonites, a race of cephalods. The Traveler also created several Golden Ages before leaving them, why would it destroy everything its built by its own vanishing act?