So as most of you know the first book of sorrow revolves around the traveler using the 52 moons of the fundament to crash into it and destroy the hive, since they were being seduced by the worm gods, the priests of the darkness you could call them, among other things, the verse "52 and one" specifies this I found something really cool yesterday. You know how there are actually 52 books of sorrow? Two in the darkness section? Then there's the touch of malice grimoire that's the result of the fragments, a weapon of sorrow, which is pretty much a corrupted light weapon, or blight? 52 cards and one Light-like weapon in total cards, 53 cards and one being different 52 moons of the fundament, with the traveler being the 53rd Anyone else agree that Bungie waspretty clever with this one?