Could somone please help me! I am level 34 and i have both expensions, i am yet to purchase the taken king. Now im just trying to finish these expansions before i buy it, but when i go to do story missions, it is set to "Easy" and i cannot change it to anything else, the only other option i have is "Impossible" which i cannot select because the light requirements are way too high! Its really frustrating because its ruining these missions and im not getting the rewards i need. Any advise would be appreciated! Cheers