This is why we need level 5 in the EA - it troubles me that we may be stuck with levels 1-4 and not be able to test any new level-based class features in the EA. As so many have noted, level 5 is a major power jump in 5E, and it really should be tested. It seems clear that the Underdark is meant for 5th level characters too - so hope level 5 will make its way in with some future patch.
