6 probably. Back when I didn't have every exotic and was raiding to get every weapon I would have said 8. Yes I know I have a lot of hours but most were spent trying to get Ghorn (second to last exotic I received). Now that I have everything I'm bored. And when the game first came out I asked "where is the story?" It's a shame really. I won't buy destiny 2 if HoW is terrible. I won't even bother with comet unless things change. The only reason I'm even playing HoW is because I got conned into preordering it.