My xbox one version has been running horribly since I started. I have the digitally downloaded version. The framerate is constantly dropping, not just occasionally. As soon as some sort of combat starts it usually drops to what appears to be around 15 fps and stays that way. I could handle this is if what was just every once in a while, Butit happens consistently. Even when I'm just walking exploring it drops. Every little thing causes it to drop. It's making the game anything but enjoyable.

Can anyone help me with this? How do I improve framerate? Should I grew up some space on my hard drive? It's currently 68% full

Any advice would be much appreciated