Many people complained about Elder Scrolls V: Skyrim game. Various gamers with good observations were able to collect a bit more with the help of certain missions and other sources. Many players wanted to join the best ranks of the Vampire Lords which initially seemed as impossible. But the Dawnguard has fixed this and many other things. You can also line up with the many ancient covens distributed about the world.
While doing all this you can have some remarkable powers which include ability to transform into a powerful creature of night and you can carry some heavy weapons. Talking about some more issues, you cannot relate with the environment outside of destroying it which leads you to unsolved puzzles, closed doors, etc.