The new Hive dreadnought is floating over the rings of Saturn. we must fight our way to it and penetrate the impenetrable... Link here. http://www.destinythegame.com/taken-king I have seen the shell of a large blocked-off area in the lighthouse. It ties somewhere, with or out of the extension I cannot say. But it IS there. about a quarter of the hellmouth, I would say. There is another smallish space as well. Next time I get there I may post a picture.