So, I took a recent trip in to the World's Grave to take out some Fallen Wolves, and I don't mean for lobster dinner. Anyway, after the fighting, there was a quiet moment where i was just taking in the scenery and i felt a slight tremor, almost like something calling out to me. It would happen rhythmically so I don't think they were explosions. I've killed Phogoth and slain Crota...so it makes me wonder if anything else slumbers deep within the catacombs of the Moon...cause I wanna punch it.