1280 lost sector's exotic drop rate is not consistent and low and should not be named "common". I have run Veles Labyrinth 15 times now, all platinum, all under 5 mins, and I have only gotten 3, THREE, exotics. Not once have I ever NOT earned an exotic piece of gear from a Master Nightfall. This is ridiculous and a waste of time. Either take them out of the game, or buff the loot. I'm going to stick to running 1250 because they're much easier and much quicker and the drop rate for exotics is exactly the same, if not worse. Fix this issues, there are countless others with the same problem.