So from what i can gather, the answer is not in the grimoire, but we have seen it at least once before in Destiny It's masters are dark, but it is not as dark It stood by the transparent and the unbeliever (who might be Atheon) It once wore an azure crown, which might refer to the Vex, or Fallen, because those are the only races that wear those colors often enough to notice And it was given a weapon by a man clad in the garb of the dark warriors, which my refer to Kabr and the Vex as he is the one of the few ever to actually wear something made out of an enemy, besides us