Thanks for commenting. I had begun to feel as if no one would ever notice this theory again, and that stressed me out because it's my first and I was on a bit of a hiatus thinking about a possible link between the Cabal and the Vex. I really like your idea, and if I ever get around to doing more theories you will likely be credited for articles involving this. I mainly got the corrupted humans idea from when I first saw the Thrall. I thought they were some sort of zombie or other former human. Also, I wrote this before The Dark Below and when I played the Rasputin bunker mission I saw that Rasputin had to have let the Hive in and decided to rely on them for defense because there are no wall-mounted turrets or other defense systems, nor are there any scorch marks anywhere to indicate that there once were, the door the player goes through was clearly the only way inside, and if the Hive haven't just decided to use their teleportation techniques (or devices) that are clearly evident in Tombships and certain wizards like Omnigul to just plain teleport through The City's walls, there must be something blocking their teleports, and it would make no sense whatsoever if Rasputin couldn't replicate or imitate that in some way. Also, here's a hint as to my next theory: all we know about The Darkness is that it wrecked stuff and killed people and that Rasputin drove it away. Who says the Fallen, Hive, Vex, and Cabal have any ties to or even knowledge of it whatsoever? They might've been chasing it down to try and kill it, for all we know.